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Planning records

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D25A/0790/WEB

Planning permission is sought for a new dormer window in the roof on the front of the house. Retention permission is sought for a widened entrance to the front driveway onto Wilson Road.

29, Wilson Road, Mount Merrion, Dublin, A94K8H2Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted04 December 2025
D22A/0609

Planning permission and retention. Permission is sought for 3 no. new rooflights on the side pitched roofs of the existing house and 1 no. new rooflight on the front pitched roof of the existing house. Retention permission is sought for the existing patio door on the rear elevation of the existing house.

29 Wilson Road, Mount Merrion, Blackrock, Co Dublin A94 K8H2Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted11 November 2022
D24B/0514/WEB

The development will consist of the provision of new pitched, part mansard type roof with new front dormer to replace existing roof with existing side dormer, the removal of existing front chimney, the provision of four new side rooflights and one new rear rooflight, and the provision of new side porch, all to existing single storey bungalow dwelling, with sundry associated works.

15, Wilson Road, Mount Merrion, Blackrock, Co. Dublin, A94A6P8Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted27 January 2025
D25A/0807/WEB

Demolition of the existing garage; construction of a single storey extension to the rear and side; Conversion of attic space; Modification of the existing roof to Mansard type roof with front and rear dormer; Front porch extension; Construction of rooflights to the mansard roof and proposed rear flat roof; Widening the existing entrance to 3.5m.

26, Wilson Road, Mount Merrion, Co. Dublin, A94R8X3Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted16 December 2025
D25B/0199/WEB

Construction of a single storey extension to the rear and side; Conversion of attic space to office/storage; Modification of the existing roof to Mansard type roof with front and rear dormer; Front porch extension; Construct three rooflights to the proposed mansard roof and one rooflight to the proposed rear flat roof; All associated site works.

26, Wilson Road, Mount Merrion, Blackrock, Dublin, A94R8X3Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted05 June 2025
D24A/0993/WEB

The development will consist of: a) Demolition of existing c.178sqm two-storey (plus non-habitable attic space), 4 bedrooms dwelling; b) Construction of a c.369 sq.m three-storey, 6 bedrooms dwelling; c) Modification to the existing vehicular entrance, including the provision of dedicated pedestrian access; and, d) All associated site development and drainage works to facilitate the development.

32, Deerpark Road, Mount Merrion, Stillorgan, Co. Dublin, A94X7K4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Refused12 June 2025
D23A/0539

(A) Demolition of existing 178sqm two storey (plus non habitable attic space), 4 bedrooms dwelling (B) Construction of 1no. 385sqm three storey 6 bedrooms dwelling. (C) Modifications to existing vehicular entrance. (D) All associated site development and drainage works to facilitate the development.

32, Deerpark Road, Mount Merrion, Blackrock, Dublin, A94X7K4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Refused11 April 2024
D23B/0081

Retention permission for raised stepped roof. On single storey side extension.

11, Wilson Road, Mount Merrion, Blackrock, Dublin, A94X7Y7Dun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.1 km away
Granted18 April 2023
D22A/0375

Permission for development. The development will consist of: A single story extension to the side and front. raising the roof of existing garage Infill of the existing porch to extend front bedroom, front single story extension. Velux window to the front roof area. Widening of front vehicular access. External insulation full house. removal of chimney.

11 Wilson Rd, Mount Merrion, Blackrock, Co. Dublin, A94X7Y7Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted22 July 2022
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 conditions0.1 km away
Granted18 April 2023
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 conditions0.1 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 conditions0.1 km away
Refused28 July 2025
D19A/0858

Permission for the following works: A) Demolition of existing garage and boiler shed to side of the house. B) two storey hip roof extension to the side of the house, continuing original ridge line and adding gable element to front and side. C) Attic conversion with flush roof window fitted to front and rear slopes. D) Single storey mono pitch and flat roof extension to the rear of the house. E) High efficiency external wall insulation to remainder walls - retaining some brick detailing. F) revised car park layout and widened entrance gate up to 3.6m width. G) Associated internal modification and site works.

Maryville, 39, Callary Road, Mount Merrion, Co. Dublin, A94 D6K6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted02 January 2020
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 conditions0.1 km away
Refused25 March 2025
D20B/0325

Permission is sought. The development

41, Callary Road, Mount Merrion, Co Dublin, A94X4Y1Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted14 January 2021
D25A/0674/WEB

To remove existing shed, relocate vehicular entrance, having a width of 3.5 metres, erect a new timber fence along front and side site boundary walls to a maximum height of 2 metres. Erect a new front side and rear extension with bay window to front, new front extension and internal refurbishment on ground floor to comprise of a sitting room, family / kitchen room, 1 bedroom & en-suite, new first floor extension with dormer and apex roofs comprising of 3 bedrooms. New roof windows to rear of existing roof, new doors and windows to side elevations and all associated site works.

6, Wilson Crescent, Mount Merrion, Blackrock, Dublin, A94E4X0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Refused23 October 2025
D26A/0228/WEB

Alterations and extensions to the existing single storey, three bedroom detached dwelling that will include: Demolition of the two garden sheds and other structures to the rear; Alterations and extensions to the existing single storey, three bedroom detached dwelling to create an extended six bedroom detached dwelling, that presents as being two storey to the front, and three storey to the rear that will be facilitated by the following works: internal alterations to the existing house; removal of the roof; and elevational changes to the front, side and rear of the existing house; an additional storey plus new pitched roof with hipped roof elements, above the existing house; a new two storey, and part three storey rear extension (at lower ground, ground and 1st floor level). The ground floor extension will connect to a terrace that will sit over the lower ground floor extension and will connect via external stairs to the rear garden; Alterations to the front boundary wall that will create a new pedestrian entrance gate and widened vehicular entrance with sliding gate off Deer Park Road with an amended driveway; and All landscaping, boundary treatments, drainage, SuDS and all ancillary works required to facilitate the development.

Rossbeg, 24 Deerpark Road, Mount Merrion, Co Dublin, A94E0P4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted19 May 2026
D25A/0754/WEB

Alterations and extensions to the existing house to include alterations to the front elevation, alterations to the eastern side of the house to provide a wider pedestrian side access, a first floor extension, a three storied extension to the rear of the existing house, alterations to the existing hard standing, alterations to the existing vehicular entrance, the formation of a separate pedestrian entrance in the front boundary wall and the demolition of two existing sheds, 24.6 sq.m.m.s, all works to include all associated site works.

24 Deerpark Road, Mount Merrion, Co. Dublin, A94E0P4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Refused25 November 2025
D25A/0600/WEB

The demolition of the existing house, 131.4 sq.m.s, and two existing sheds, 24.6 sq.m.s, the construction of a new house, 372 sq.m.s, two storied to the front and three storied to the rear, alterations to the existing hardstanding, alterations to the existing vehicular entrance and the formation of a separate pedestrian entrance in the front boundary wall, all works to include all associated site works.

Rossbeg, 24 Deerpark Road, Mount Merrion, Blackrock, Dublin, A94E0P4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Refused19 September 2025
D22B/0054

Permission is sought for works. The development will consist of: Demolition of existing detached garage and shed (23.8 Sq m); construction of a new covered porch & bay window to front of house (4.1 Sq.m), construction of a two-storey extension to the side of the house (Ground Floor: 18.3 Sq.m, First Floor: 18.3 Sq.m); Construction of part-single, part two-storey extension to rear (Ground Floor: 32.5 Sq.m, First Floor: 21.5 Sq.m); provision of a dormer window to the rear roof slope; provision of an external insulated render system and associated finishes; provision of solar panels to the rear roof slope; provision of rooflights, and associated works.

31 Callary Road, Mount Merrion, Co. Dublin, A94 K3H5Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted30 March 2022
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 conditions0.1 km away
Granted01 December 2023
D22A/0364

Permission for development. The development will consist of

31 Deerpark Road, Mount Merrion, County Dublin, A94 F8X8Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted19 September 2022
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 conditions0.1 km away
Granted30 April 2025
D19B/0500

Permission is sought for the retention of two rooflights to the Eastern side of the sloped roof of the existing house, the installation of two new rooflights to the Western side of the sloped roof and the removal of the existing two front eyebrow dormer windows to be replaced with two new dormer windows.

20, Deerpark Road, Mount Merrion, Blackrock, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted06 February 2020
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 conditions0.1 km away
Granted06 August 2025
D22B/0166

Retention for development. The development consists of:

25A Deerpark Road, Mount Merrion, Blackrock, Co. Dublin, A94 H5P3Dun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.1 km away
Granted23 May 2022
D21A/0454

Pemrission is sought. The development consists of:

25 Deerpark Road, Mount Merrion, Co. Dublin, A94 D2Y2Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted22 September 2021
D25A/0178/WEB

The development will consist of the demolition of the existing garden room to the rear, construction of a single-storey extension to the side and rear, including an infill extension to the front side section of the existing dwelling, an attic conversion to habitable status with the provision of new pitched and hipped roofs with dormer roofs, internal reconfiguration of the ground-floor layout, widening the vehicular entrance, and all ancillary works necessary to facilitate the development.

3, Wilson Road, Mount Merrion, Blackrock, Dublin, A94D7W1Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted09 June 2025
D24B/0238/WEB

The development will consist of: Alterations to the existing roof to create a new first floor extension to front and rear of the existing dwelling including new gable. All associated alterations, demolitions, site, drainage, landscaping and ancillary works.

3, Wilson Road, Mount Merrion, Blackrock, Dublin, A94D7W1Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Refused08 July 2024
D24A/0185/WEB

The development will consist of: • Demolition of existing single storey structures to rear/side of existing dwelling. • Construction of single storey extension to side and rear of the existing dwelling. • Construction of single storey extension to front/side of existing dwelling and alterations to existing front elevation. • Widening of existing vehicular entrance to 3.5M in width. • All associated alterations, demolitions, site, drainage, landscaping and ancillary works.

3, Wilson Road, Mount Merrion, Dublin, A94 D7W1Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted08 May 2024
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 conditions0.2 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 conditions0.2 km away
Granted17 November 2025
D21A/0596

The development consists of

13, Callary Road, Mount Merrion, Co Dublin, A94TY36Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted20 August 2021
D21A/0162

Permission for the following works:

13 Callary Road, Mount Merrion, Co. Dublin (A94 TY36)Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Refused21 April 2021
D25B/0259/WEB

Conversion of existing attic space comprising of modification of existing roof structure, rais-ing of existing gable c/w dutch hip and window, new access stairs, 2no. roof windows to the front and flat roof dormer to the rear.

11, Cypress Road, Mount Merrion, Blackrock, Dublin, A94F5C7Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted02 July 2025
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 conditions0.2 km away
Granted10 March 2021
D20A/0250

Permission for the extension and remodification of existing

19 Deerpark Road, Mount Merrion, Co. Dublin A94 R7X2Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted28 August 2020
D21B/0254

The development consists of the construction

44, Calary Road, Mount Merrion, Blackrock, Co Dublin, A94W6F6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted02 December 2021
D24A/0146

Installation of telecommunications equipment including shrouded no. 3 ballast mounted antennas, no. 9 ballast mounted remote radio units (RRU's), dish, GPS, cable trays, outdoor light, cabinets and all other associated site development works on the building rooftop to provide for high-speed wireless data and broadband services.

The Pinnacle, Deerpark Road, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted01 May 2024
D21A/0571

Permission for 4 no. semi-detached 3 storey houses

Site adjacent to, 54 Wilson Road, Mount Merrion, Blackrock, Co Dublin, A94N6C7, and to the rear of, 42, Greenfield Road, Mount Merrion, Blackrock, Co Dublin, A94E3W5Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted14 March 2022
D15A/0121/E

Permission for demolition of the furniture store and construction of a 5.214m2 mixed-use building of between three and six storeys with balconies and retractable awnings, over a basement car park for 92 cars, 48 bicycle spaces, 6 motorbike spaces, refuse storage and individual residents' storage rooms. The building will have 4 office units totalling 282m2 at ground floor level, 48 residential dwelling units (10 one-bed, 27 two-bed and 11 three-bed units) amenity space for residents and all ancillary site works to include boundary treatment, landscaping and plant at roof level. Vehicular access to be from Deerpark Road and non-vehicular access via an existing footpath from Wilson Road.

Site known as Flanagans, Deerpark Road (backing onto Wilson Road), Mount Merrion, Co DublinDun Laoghaire Rathdown County CouncilExtension Of Duration Of Permission0 reasons0 conditions0.2 km away
Granted21 July 2021
D25A/0630/WEB

Planning permission is sought for the change of use of the existing commercial unit. The proposed development will consist of the material change of use of the ground floor office unit 04 to a retail unit. Planning permission is also sought for connections to all other necessary site services and all ancillary works necessary to facilitate the change of use of the premises.

Unit 4, The Pinnacle, Deerpark Road, Mount Merrion, Blackrock, DUBLIN, A94V9X8Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted03 October 2025
D25A/0629/WEB

Planning permission is sought for the change of use of the existing commercial unit. The proposed development will consist of the material change of use of the ground floor office unit 03 to a retail unit. Planning permission is also sought for connections to all other necessary site services and all ancillary works necessary to facilitate the change of use of the premises.

Unit 3, The Pinnacle, Deerpark Road, Mount Merrion, Blackrock, DUBLIN, A94W2Y6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted03 October 2025
D25A/0627/WEB

Planning permission is sought for the change of use of the existing commercial unit. The proposed development will consist of the material change of use of the ground floor office unit 01 to a retail unit. Planning permission is also sought for connections to all other necessary site services and all ancillary works necessary to facilitate the change of use of the premises.

Unit 1,The Pinnacle, Deerpark Road, Mount Merrion, Blackrock, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted03 October 2025
D25A/0628/WEB

Planning permission is sought for the change of use of the existing commercial unit. The proposed development will consist of the material change of use of the ground floor office unit 02 to a retail unit. Planning permission is also sought for connections to all other necessary site services and all ancillary works necessary to facilitate the change of use of the premises.

Unit 2,The Pinnacle, Deerpark Road, Mount Merrion, Blackrock, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted03 October 2025
D21A/0623

Permission for 4 no semi-detached 3 storey houses

Site adjacent to 54 Wilson Road, Mount Merrion, Blackrock, Co. Dublin, A94 N6C7Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted14 March 2022
D23B/0206

Construction of a new dormer window extension to side of existing dwelling to incorporate extended landing & new bathroom at attic level, internal alterations and all associated site works.

15, Deerpark Road, Mount Merrion, Blackrock, Dublin, A94K2P6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted21 June 2023
D22A/0517

Planning permission for the demolition of existing single storey garage and kitchen extension to the side (32.5m2), opening of new window at first floor level to existing front elevation and the construction of New 2 storey extension to side, single storey extension to rear and new front porch (total 69 m2), widening of vehicular entrance off the public road, provision of extended hardstand parking area to front and all associated works.

14 Cypress Road, Mount Merrion, Blackrock, County Dublin, A94H3N8Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted07 September 2022
D25A/0906/WEB

A change of use into a dental practice, including associated signage and all related works, with independent ground-floor access.

69 Deerpark Road (first floor), Mount Merrion, Blackrock, County Dublin, A94E9D3Dun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.2 km away
Granted27 February 2026
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 conditions0.2 km away
Granted05 June 2025
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