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Planning records

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D19A/0753

Permission for an extension and refurbishment. The development will consist of the demolition of the existing garage, the removal of all existing windows, doors, the demolition of the chimney and some internal walls. We intend to erect a two storey extension to the side which reduces to a single storey extension towards the boundary of the property. The single storey extension will extend along the front elevation creating a new entrance porch. We will also create a new vehicular entrance, driveway and landscaping to the property.

57, Cedarmount Road, Mount Merrion, Co. Dublin, A94 X2F9Dun Laoghaire Rathdown County CouncilPermission0 reasons6 conditions0.4 km away
Granted02 January 2020
D20A/0239

Permission for development.

22, Greygates, Stillorgan Road, Blackrock, Co. Dublin, A94 N6W7Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted28 August 2020
D21A/0753

Permission for development. The development will consist of alterations to the permitted residential development under Reg. Ref. D16A/0465; ABP Ref. PL 06D.247267 comprising revisions to the wastewater and surface water drainage proposals. The revised drainage route is to the south of the site with the wastewater proposed to discharge to the existing system in Woodlands Avenue with the surface water to discharge to the existing system in the old Dublin Road. The development will include all associated site development works to facilitate the proposed development.

C.1.2087 ha. site located at the Former Oatlands Monastery (A94 W7W7), to the rear of Oatlands College, Mount Merrion Co. Dublin and 2 Cherrygarth (A94 D5K3), Mount Merrion, Blackrock, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Refused18 October 2021
D25A/0856/WEB

The development will include the demolition of - the existing end-of-terrace part single-storey rear storage structure, outdoor seating glass screen, garage door, and chimney. The development will consist of reconfiguration of - an existing mixed-use unit currently consisting of a restaurant at ground floor and 3-bedroom own-door apartment at first floor into a retail unit at ground floor and 2 no. triplex own-door 2-bedroom apartments at ground floor, first floor and attic level, with a flat roof rear extension at first floor level, and lowering of first floor. Attic conversion with 2 no. dormers windows to the rear of the existing block to serve the proposed triplex units. The development will consist of construction of - a 2-storey residential block to the rear of the unit comprising 2 no. 2-bedroom own-door apartments. Each residential unit will have access to private amenity spaces at ground and first floor level. The provision of 1 no. parking space located to the rear of the development, Bicycle storage in curtilage of apartments, a communal bin store in the courtyard, and all associated site development works.

57, Deerpark Road, Mount Merrion, Dublin, A94F761Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Refused09 January 2026
V/087/25

4 units

57, Deerpark Road, Mount Merrion, Dublin, A94F761Dun Laoghaire Rathdown County CouncilCertificate of Exemption - Part V0 reasons0 conditions0.4 km away
Granted17 November 2025
D25B/0440/WEB

Planning Permission is sought for: Refurbishment of the existing house, with a new single-storey extension to the rear to accommodate a living, kitchen and dining area. Renovation works are to the ground floor and include; conversion of the garage into a utility space and playroom, a home office, and visitor WC. To the front elevation, the garage door is to be replaced by a new window. Works to include the demolition of the existing single-storey rear extension, selected windows and internal walls. Proposed works to also include thermal upgrades to the floor and walls, and all associated site works.

47, Cedarmount Road, Mount Merrion, Dublin, A94H5P8Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted12 September 2025
D23B/0556

Alterations to D22B/0512 to include extension of the approved porch structure to front to accomodate relocation of the front door to the centre of the facade, amendments to the height of the porch roof with a rolled metal finish, alterations to the adjacent ground floor windows and a further extension of the existing approved single storey rear extension with flat roof including window alterations at ground floor and provision of a single storey prefabricated garden room to the rear.

8, Woodlands Park, Blackrock, Dublin, A94Y426Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted30 January 2024
D22B/0512

Permission for provision of a new porch structure to front with relocation of the existing front door, alterations to the front windows at ground floor and amendments of the existing rear extension to include a flat roof structure with large sliding doors.

8 Woodlands Park, Blackrock, Co. Dublin.Dun Laoghaire Rathdown County CouncilPermission0 reasons3 conditions0.4 km away
Granted10 February 2023
D20A/0680

Permission is sought for removal of

The Coach House, Mount Merrion Avenue, Blackrock, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted19 February 2021
D24B/0345/WEB

Permission is sought for The conversion of existing attic space to new bedroom and ensuite with dormer window and roof light to rear and 2 No. Roof lights to front Elevation and all associated site works

48, Thornhill Oaks, Mount Merrion, Co. Dublin, A94 K0E7Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted19 September 2024
D23A/0346

Removal of existing single storey extension to the rear, removal of existing single storey garage and utility to side, provision of new extensions to rear and side of the existing house at ground and first floor level with a pitched roof to the side extension, and flat roofs to the rear extensions. The floor area of the house will be increased by 88.9sqm. A new zinc canopy to be provided over the front entrance, and existing vehicular entrance to be widened to 3.3 metres. All external walls to be provided with external insulation and render, with new windows and doors throughout, together with internal modifications, alterations to drainage, and ancillary works.

44, Glenabbey Road, Mount Merrion, Blackrock, Dublin, A94E6T3Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted13 July 2023
D24A/0234

Two storey with attic dormer, 4 bedroom detached dwelling incorporating alteration to existing driveway entrance to widen and provide seperate entrances to existing and proposed dwelling. The works include exempted development of part demolition of existing single storey extension to side of existing and minor alterations to the existing and all associated works.

86, Trees Road Lower, Mount Merrion, Blackrock, Dublin, A94V2A0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted31 May 2024
D26B/0158/WEB

Permission is sought to: 1. Demolish parapet walls above existing roof level and demolish existing concealed gutters. 2. Demolish roof of main house and porch roof. 3. Construct new roof to main house (higher than the existing) with overhanging fascias and soffits and new porch roof. Replace roof tiles with slates. Rooflights to new front roof. 4. Increase height of chimney stacks. 5. Alter windows to front facade including of rising head heights and narrower window widths.

7, Woodlands Park, Blackrock, Co. Dublin, A94V447Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted07 May 2026
D25B/0240/WEB

The proposals comprise alterations, extensions and refurbishment of the existing single family dwelling. Proposals include raising the ground floor perimeter walls by 1.7 M and raising the roof and roof ridge of the house to a matching extent. A new floor is proposed over the existing void over a reception room, allowing the formation of additional bedrooms and enlarging the other existing first floor bedrooms. A new two storey front extension is proposed with a zinc apex roof incorporating a porch at ground floor level- with obscured glass to the family bathroom at first floor. An extension is proposed, glazed on three sided to the south east elevation. This glazed extension, forms a dining area to a new kitchen with a solid zinc roof. It is also proposed to add a rear extension incorporating an extended kitchen and pantry area with rooflight over the kitchen component. A new store and plant area are formed against the rear elevation of the house with access doors and a glazed covered walkway as shown. Small dormer elements are proposed above each of the new window elements to the front and rear elevations with steel windows within zinc surrounds. New steel windows and doors are proposed as replacements of existing to all other ground floor apertures. The new elevational changes also include removal of the existing masonry chimney stack and replacement with twin wall flue to new stove. Other detailed layout amendments to the plans of the house are included on the proposed plans.

The Gables, 17A Woodlands Park, Stillorgan, Dublin, A94VX84Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted25 June 2025
D21A/0161

Permission for development. The proposed development will consist of: Conservation works to Thornhill House, to upgrade the house as a single family residence 494 sqm; the provision of 5No. own door two storey 2 bed dwellings to the rear of Thornhill House through the renovation, conversion and extension of an existing return and outbuildings located around an existing rear stable yard; and the provision of a terrace of 5 No. one-and-a-half storey mews dwellings located to the south of Thornhill House. The proposed conservation works and interventions to the house are to include - (i) Formation of new ope in partition to proposed kitchen in basement, (ii) Removal of door and alteration to window to rear hall at ground floor level; (iii) Modifications to WC and bathroom t landing level; (iv) Modifications to master ensuite at first floor level' (v) Removal of inappropriate internal doors to basement; and external architectural interventions / enhancements to include - (i) Removal of existing perspex screens to front portico, (ii) Removal of security grilles to windows and the rationalisation of soil pipes to the elevations (iii) Provision of new painted hardwood doors replacing inappropriate modern joinery elements to basement (iv) Improvements to external areas on eastern and western sides at basement level, (v) Removal of fixed maintenance ladders and gates to rear courtyard wall and provision of a private garden with associated railings, gates, soft and hard landscaping to the south and west of Thornhill House. Works to return and outbuildings to include creation of new opes, removal of sections of external wall and interior partitions, roofs to be removed and existing slates to be reused in new extension, removal of external courtyard wall and removal of corrugated roof over covered external space, wrought iron trusses and column supports, provision of new sash windows, refurbishment of existing original sash windows, replacement of non-original windows / doors, demolition of existing boiler room and WC to south-east of external courtyard. the proposed development will consist of the reconfiguration of the permitted ( Dun Laoghaire Rathdown County Council Reg. Ref. D17A/0240; An Bord Pleanála Ref. PL06D.300244) internal road layout, amendments to hard and soft landscaping, boundary treatment works including the provision of opes in the existing eastern stone wall and replacement of low wall and railings and all associated works above and below ground.

Site of c. 1.39 ha, Thornhill House, Cherry Garth, Mount Merrion, Blackrock, Co.Dublin A Protected Structure (RPS No. 936)Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Refused22 April 2021
D20A/0432

Permission for development. The proposed development will consist of the reconfiguration and redesign of the permitted housing units (Dun Laoghaire Rathdown County Council Reg. Ref. D17A/0240; An Bord Pleanála Ref. PL06D.300244) to provide an increase from 9 No. houses (comprising 4no. four bed and 5no. five bed units) to 15 No. houses (comprising 3no. three bed and 12no. four bed units). Additional works include reconfiguration of the internal road layout, relocation of ESB substation, amendments to hard and soft landscaping, boundary treatment works and all associated works above and below ground. No works are proposed to Thornhill House (RPS No. 936), under this planning application.

Site of c. 1.39 ha, Thornhill House, CherryGarth, Mount Merrion, Blackrock, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Refused14 August 2020
D20A/0057

Permission for development. The proposed development will consist of the temporary removal of the eastern stone wall boundary and its subsequent reinstatement upon the completion of construction works on the wider site.

At a site of c.1.39ha, Thornhill House, Cherry Garth, Mount Merrion, Blackrock, Co. Dublin (Protected Structure Ref. No. 936)Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Refused18 March 2020
D20A/0458

Planning application is sought. The development will consist of: (i) demolition of the existing shed; (ii) the construction of: a two storey flat roof extension with single storey covered patio area to the rear; the two storey pitched roof extension to the side (west); the flat roof ground floor extension to the front creating porch; the dormer window at the attic floor facing rear garden (iii) the construction of a flat roof shed to the rear garden; (iv) widening of the existing vehicular entrance to 3.5m width; (v) alterations to all elevations and all associated ancillary works necessary to facilitate the development including SUDS drainage, rooflights, site works, boundary treatments and landscaping.

7 Chestnut Road, Mount Merrion, Blackrock, Co. Dublin, A94V622Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted13 October 2020
D24A/0080

The demolition of the rear outbuilding and construction of a 2-storey extension to the side; 36sqm to the ground floor, 20sqm to first-floor. Hipped roof to match existing to first-floor extension, removal of chimney stack to the side and mono-pitched zinc roof to rear of ground floor extension.

No 7 Chestnut Road, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted03 May 2024
D20A/0974

Permission for an extension and

60, Cedarmount Road, Mount Merrion, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted22 February 2021
D25A/0304/WEB

Intend to apply for full planning permission for the following to the existing two storey fully serviced semi-detached house with attic space & single storey extension to the rear and side and porch to front. Full planning permission is sought for a single storey extension to the side with roof light over, minor alterations to the main front elevation with two new windows and an insulated roof over porch. New rooflights in the main roof front elevation. To the rear changing the glazing on the rear elevation to accommodate the new layout on ground floor, addition of a new dormer and rooflight on the rear main roof. Additional window in the side gable wall over new stair to attic space. Removal of existing chimney Minor changes internally to allow the new design. Widening of the existing vehicle entrance. Maintain connection to public sewerage and surface water and all ancillary site works.

49, North Avenue, Mount Merrion, Blackrock, Dublin, A94A6P9Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted05 June 2025
D25A/0862/WEB

Apply for Retention Permission for development within the grounds of Thornhill Oaks, and Thornhill House, a Protected Structure (RPS. 936). The development consists of the retention of an following: (i) Omission of railings to perimeter of central green; (ii) Omission of 4no. x pedestrian gates to the central green; (iii) Omission of hedge to perimeter of the central green; (iv) Omission of pedestrian crossing to the road on the southern side of the central green; (v) Addition of a low metal fence to centre/side of new hedge boundaries to rear gardens of Thornhill House & Houses 60 - 64 (inclusive); (vi) Provision of a pedestrian gate to the rendered blockwork wall to the southern boundary of the rear garden of House 64; (vii) Relocation of water feature from side boundary wall of House No. 64 to inner face of wall to communal courtyard serving Houses 60 to 64.

Thornhill Oaks, Cherrygarth, Mount Merrion, Blackrock, Co. Dublin, and Thornhill House (a Protected Structure) A94W7C5Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted14 January 2026
D24B/0425/WEB

Oak View Property Developments Limited, intend to apply for Retention Permission for development within the grounds of Thornhill Oaks, Cherrygarth, Mount Merrion, Blackrock, Co. Dublin. The development consists of the Retention of an external flight, (2.2 metres wide), of stone steps, (consisting of 10 no. x ambulant steps), providing pedestrian access, located at the southern gable of the existing Apartment block. Retention is also sought of a second flight (1.8 metres wide) of external stone steps, which also provides pedestrian access to Thornhill Oaks. This flight (consisting of a total of 6 no. x ambulant steps) is located west of the existing car ramp entrance to the Apartment block.

Thornhill Oaks, Cherrygarth, Mount Merrion, Blackrock, Dublin, A94W7C5Dun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.4 km away
Granted02 December 2024
D23B/0458

Extension and alterations to existing dwelling to include: removal of 2 no. chimneys, replace existing roof with new dormer mansard-type roof, sitting area/study, ensuite bedroom with walk-in wardrope, stairs and landing. Changes to dormer window to front (southwest elevation), with the addition of rooflights to side elevations. With minor changes to windows and doors on external elevations. With connection to existing onsite services, and all associated site works.

41, Wilson Road, Blackrock, Dublin, A94P3X6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted01 December 2023
D25B/0576/WEB

1) Demolition of the existing greenhouse; 2) Construction of a single-storey, pitched-roof extension to the rear of the existing dwelling to accommodate a family member flat; 3) Internal and elevational alterations to the rear of the existing dwelling; 4) Landscaping, drainage, and all associated site works.

134 Mount Merrion Avenue, Blackrock, Co. Dublin, A94F2Y6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted02 December 2025
D25B/0120/WEB

Renovations and extensions to the existing two-storey, detached house at 46 Wilson Road, Mount Merrion, Blackrock, Dublin, A94 E8F5, comprising of the demolition and removal of the existing single-storey rear extension, single-storey studio, single-storey shed and existing canopy, 2no. chimneys, 2no. existing rooflights and 2no. existing dormer extensions. The proposed development will comprise 1no. new single-storey extension to the rear, 1no. new dormer to the rear, 2no. new rooflights and the alteration of the roof profile & side walls of the original house, with all associated modifications to the existing house and fenestration including modifications to ground floor and first floor layout and site development including hard and soft landscaping.

46, Wilson Road, Mount Merrion, Blackrock, Dublin, A94E8F5Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted30 April 2025
D21B/0298

Permission for development. The development will consist of

38 Glenabbey Road, Mount Merrion, Co. Dublin, A94 T6X6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted05 August 2021
D24A/0470/WEB

The provision of a new side and rear single storey extension, the provision of a new dormer to the rear elevation, revisions to the fenestration to the front side and rear elevation, alterations to the front entrance, the provision of a rear first floor extension to replace the existing balcony, the removal of an existing chimney, the widening of the existing vehicular entrance.

15, Chestnut Road, Mount Merrion, Blackrock, Dublin, A94EK46Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted22 August 2024
D21A/1152

Permission for the following: a) Widening of the existing vehicular entrance to 3.5m. b) The construction of a ground floor rear extension (5sq.m.) behind the garage. c) Conversion of portion 2(sqm) of the rear of the garage to a bathroom. d) All associated site and internal works.

57 Trees Road Upper, Mount Merrion, Blackrock, County Dublin (A94 F8K7)Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted22 February 2022
D25B/0046/WEB

The development consists of an attic conversion to habitable status with the provision of a new Mansard Roof, a rear single-storey extension, and all ancillary works necessary to facilitate the development.

39 Wilson Road, Mount Merrion, Blackrock, Co. Dublin, A94P3Y9Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Refused25 March 2025
D21B/0254

The development consists of the construction

44, Calary Road, Mount Merrion, Blackrock, Co Dublin, A94W6F6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted02 December 2021
D25B/0678/WEB

Partial demolition of existing carport and boiler house (c.25sqm) to allow for new single storey flat roofed side extension (c.25sqm). The development will also include a new enlarged raised rooflight over main house (flat roof) and all associated site works.

16a, Woodlands Park, Stillorgan, Dublin, A94HF96Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted04 February 2026
D21A/0116

Permission sought for the alteration

Merrion House, Mount Merrion Avenue, Blackrock, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted31 March 2021
D26A/0019/WEB

A) demolition of existing (single storey) garage/kitchen extension to side and removal of existing chimney to rear of main roof; b) construction of two storey extension to the side and single storey extensions to rear and front (extending 800mm to front), c) construction of dormer extension (with window) to rear of existing/extended main roof (in connection with conversion of existing attic/roof space); d) alteration/extension of first floor window ope to rear; and, e) widening of existing vehicular entrance, all to existing house.

57, South Avenue, Mount Merrion, Stillorgan, Co. Dublin, A94A7P1Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted11 March 2026
D25A/0467/WEB

The proposed development will consist of internal alterations to existing ground and first floor levels, the construction of a single-storey extension to the rear of the existing dwelling, the construction of a first floor extension to the side of the existing dwelling, alterations to the existing materiality and fenestration details to the existing dwelling, the construction of a new garden studio to the rear of the existing garden to accommodate garden shed space and a home office, the widening of the existing vehicular access, all along with associated landscaping, ancillary and site works.

47, Deerpark Road, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.5 km away
Granted06 August 2025
D25B/0485/WEB

Front porch extension with new side-facing window, a single-storey flat roof rear extension, and the demolition of the existing ground floor rear extension.

35, Cedarmount Road, Stillorgan, Blackrock, Dublin, A94T8X2Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.5 km away
Granted17 October 2025
D25A/0591/WEB

Widening of side pedestrian gate by 300mm, widening of entrance driveway to 3200mm, external insulation and new windows throughout, replace garage door with high level window and block up rest of opening, increase height of garage parapet by 500mm, 3 no. rooflights and removal of chimney to south elevation.

15, Cherrygarth, Mount Merrion, Blackrock, Dublin, A94H6N6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.5 km away
Granted16 September 2025
D25A/0978

1) Demolition of outbuildings to rear. 2) Removal of Porch to front to incorporate new front entrance door. 3) New single & two-storey extension to rear and side with new window to 1st floor front elevation. 4) 2No. Roofiights to side & INo. Rooflight to rear. 5) Removal of existing 1st floor window to gable. 6) Widening of existing driveway with new entrance gate. 7) All associated drainage and site works.

52, Cedarmount Road, Mount Merrion, Co. Dublin, A94Y8W6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.5 km away
Granted17 February 2026
D21B/0045

Permission for development. The development will consist of: The demolition of the single storey extension to the rear and part demolition of the single storey extension to the side of the existing 2 storey semi-detached dwelling. Replacement of the canopy to the front. Construction of a new 2 storey extension to the side, with hipped roof and roof light to the side. A new single storey, flat roof extension and canopy to the rear with roof lights. New entrance canopy and bay window to the front facade at ground floor. Alterations to the front and rear windows at first floor level. Internal alterations and associated site works.

53 South Avenue, Mount Merrion, Co. Dublin, A94 E6W4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.5 km away
Granted07 April 2021
D23A/0784/WEB

The proposed development will consist of: Replacement of the flat roof to the existing two storey side / part rear extension with a new hipped roof to match the existing / original roof; Demolition of 1 no. chimney to the rear / east main roof; Alteration of the first floor window to the front of the side extension; Alterations to window and door openings at ground and first floors on the north east (side) and south east (rear) elevations; Replacement of the existing lean-to roof / canopy over the side passage; Replacement / alteration of rear first floor roof terrace balustrading to meet current building regulation standards; Part demolition and alteration of the existing single storey sun room and utility room to the rear including the reduction of the south west first floor roof terrace in size; Construction of a new single storey extension to the rear; Widening of the existing vehicular entrance onto Mount Merrion Avenue to 3.5m and associated alterations to the front boundary wall to provide a splayed setback; All associated demolitions, internal alterations, site, drainage, landscaping and ancillary works.

132, Melmore, Mount Merrion Avenue, Blackrock, Dublin, A94X9X4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.5 km away
Granted12 February 2024
D24A/0855/WEB

Permission for the: (1) Provision of a new single storey extension to the side and rear of existing 3 bed house, (2) reworking of existing bay windows and new dormer to front elevation, attic conversion incl. new bedroom, new rooflights to roof, (3) internal remodelling, landscaping, widening of existing entrance and all associated site works

9, Roebuck Avenue, Mount Merrion, Stillorgan, Co. Dublin, A94K3V6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.5 km away
Granted12 December 2024
D21A/0030

Permission. The works will consist of the widening of the

28 Cypress Road, Blackrock, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.5 km away
Granted10 March 2021
D21A/0843

Permission to extend and alter their home.

5 Roebuck Avenue, Mt. Merrion, Blackrock, Co. Dublin, A94 TA40Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.5 km away
Granted21 December 2021
D25B/0472

The extension, refurbishment and attic conversion. The development will consist of the partial demolition of external walls and the existing hipped roof to the rear of the property. We intend to construct (a) a ground floor extension to the rear of the property (b) Convert the attic (c) Extend and redesign the roof to the rear of the property (d) add a pitched roof dormer to the front and side of the property and (e) internal reorganisation.

40, Wilson Road, Mount Merrion, Blackrock, Dublin, A94H2Y9Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.5 km away
Granted16 October 2025
D25B/0314

We intend to apply for planning permission for an extension, refurbishment and and attic conversion. The development will consist of the partial demolition of external walls to the rear and the partial demolition of the existing hipped roof to the rear of the property. We intend to erect (a) a double storey extension to the rear of the property (b) reroof part of the existing house, (c) add dormers to both sides of the roof, and (d) internal reorganisation.

40, Wilson Road, Mount Merrion, County Dublin, A94 H2Y9Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.5 km away
Refused28 July 2025
D26B/0071/WEB

The development consists of the following: Conversion of existing attic space to new bedroom and en-suite with dormer window and roof light to the rear of the property and 1no. rooflight to the front elevation, and all associated site works necessary to facilitate the development.

49 Thornhill Oaks, Cherrygarth, Mount Merrion, Blackrock, Dublin, A94Y8X5Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.5 km away
Granted31 March 2026
D26B/0172/WEB

The development will consist of (a) Demolition works to include (i) the 5.4sqm existing single-storey side extension. (ii) the 6.5sqm existing single-storey outbuilding. (iii) removal of the west section of the existing roof to accommodate a new roof. (iv) removal of the roof to the existing rear extension to accommodate a new roof. (v) partial removal of external and internal walls to accommodate the proposed works. (b) the construction of (i) a 11.9sqm two-storey side extension to the west of the existing dwelling. (ii) a 15sqm single-storey rear extension to the south of the existing dwelling. (iii) a new roof connecting the existing and proposed rear extensions. (c) the extension of the existing roof to the west to cover the existing and proposed side extensions, to include a rooflight to the rear pitch. (d) a full refurbishment of the existing dwelling. (e) all associated site works.

12, The Close, Mount Merrion, Blackrock, Co. Dublin, A94DH57Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.5 km away
Granted07 May 2026
D26A/0159/WEB

Full planning permission for the demolition of the existing single-story side garage & removal of chimney to the main roof, Construction of a Two-story Side Extension, Single-story Rear Extension & Attic Conversion with windows to the Existing Dwelling & widening of the existing vehicular entrance, all ancillary Site works necessary.

46, South Avenue, Mount Merrion, Co. Dublin, A94W9D8Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.5 km away
Granted23 April 2026
D23A/0478

The demolition of the Telephone Exchange (514 sq m) and the construction of a part 3 - part 4 No. storey Residential Development (1,576 sq m) comprising 15 no. apartments ( 6 no. 1 bed units, 8 no. 2 bed units and 1 no. 3 bed unit) with associated balconies, terraces and winter gardens predominantly facing north, south and east. The development will also include: the upgrade of the existing vehicular entrance to the site from Priory Drive, the provision of a seperate pedestrian entrance to the site from Priory Drive. 14 no. car parking spaces (including 1 no. disabled parking space). 1 no. motorcycle parking space, bicycle parking, bin store, hard and soft landscaping, boundary treatments, lighting; plant, green roof; and all other site and development works above and below ground.

6, Priory Drive, Stillorgan, Dublin, A94X205Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.5 km away
Granted06 February 2024
D23A/0135

Retention permission for garage conversion and extra height roof on side extension. Retention for the widening of vehicular access. Permission for attic conversion for storage. With raised gable to the side and dormer to the rear. New gable window. Velux window to the front.

50, Deerpark Road, Mount Merrion, Blackrock, Dublin, A94T9F7Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.5 km away
Granted18 April 2023
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