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Planning records

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D25B/0727/WEB

Planning permission to: (i) Construct a two storey East facing side and front extension with alterations to the existing roof profile. (ii) The proposed works will also include replacing the existing grey roof tile with a selected black roof slate. (iii) To the rear it is proposed to extend bedroom 4 at ground level by 7 Sq.m to accommodate an en-suite. (iv) All the associated internal and external site and drainage works.

The Gables, Sycamore Crescent, Mount Merrion, Dublin, A94Y8D2Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted20 February 2026
D21B/0492

Permission is sought for the proposed construction of a single storey extension and construction of a single storey and outdoor terrace to the rear of an existing dwelling. The proposed rear extension will consist of a.) A new single storey orangery b.) 2 No. lantern skylights over the proposed orangery c.) Hard landscaped outdoor terrace to the rear d.) Revised fenestration to the existing study room e.) All ancillary site works and services.

The Gables, Sycamore Crescent, Mount Merrion, Blackrock, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted11 January 2022
D20A/0542

Permisison for development consisting of ground floor

Dunsland, Greygates, Stillorgan Road, Mount Merrion, Blackrock, Co. Dublin A94D2E1Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted23 September 2020
D21A/0511

Permission is sought for the demolition of existing

5 Sycamore Crescent, Mount Merrion, Blackrock, Co. Dublin, A94 F7P4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted28 July 2021
D24A/0937/WEB

The proposed extension to the side and rear of the house consists of a part 2-storey extension to the southwest of the main house and an attic at the rear northeast, covering an area of proposed works 140.90 sq.m, Total overall house area is 284.4 sqm. Proposed internal layout modifications and alterations at both the ground and first floors. Demolition of the existing garage, widening of the existing entrance boundary wall with a new sliding gate, and Part removal of side (southeast), and rear (northeast) roof areas to facilitate the new rear extension roofs. Proposed construction of a new rear attic dormer with a flat roof at the second-floor level integrated within the existing roof space. Proposed new roof lights in the existing roof over the main stairwell and Velux roof lights. Proposed new balcony at the first floor facing Northeast elevation. The existing house's external walls are proposed to be fitted with external insulation and clad in brick slips at ground level and rendered at first-floor level. replacement of all existing windows and new entrance door. Proposed new single-storey shed of 18 sqm. All with associated site works, landscaping, and drainage connected to existing services.

8, Sycamore Crescent, Mount Merrion, Blackrock, Co. Dublin, A94H9P0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted19 March 2025
D22B/0058

Permission is sought for the alteration and extension

16 Sycamore Road, Mount Merrion, Blackrock, Co. Dublin, A96 N6X7Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted25 May 2022
D22A/0792

Retention planning permission. The development to be retained consists of the erection of 1 no. banner type advertising signage measuring 3m X 1m, for a temporary period of 2 years.

Circle K Service Station, Greygates, Stillorgan Road, Blackrock, Co. Dublin, A94 H3K4Dun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.1 km away
Refused09 December 2022
D22A/0693

Retention planning permission. The development to be retained consists of the removal of an extractor unit from the northern elevation of the forecourt building and its erection within the existing plant area on the eastern elevation. This is to ensure compliance with condition nos. 1 and 6 of the governing planning permission ( Ref: PL06D.206663, D03A/1098).

Circle K Service Station, Greygates, Stillorgan Road, Blackrock, Co. Dublin, A94 H3K4Dun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.1 km away
Granted07 November 2022
D23B/0510

Dormer window extension at first floor level to the front of existing semi-detached dwelling and all associated ancillary works.

8, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94A6P7Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted18 December 2023
D23A/0428

Permission sought for change of use from domestic residential to short term lets residential

6, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94C3H7Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Refused17 August 2023
D23B/0063

Retention of single storey garden studio with canopy over patio area (52.05m2 footprint)

6, Sycamore Road, Mount Merrion, Dublin, A94C3H7Dun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.1 km away
Granted13 April 2023
D19A/0986

Permission for development. The development will consist of the installation of two security gates to the pedestrian entrances and an automatic sliding gate (with street number) to the vehicular entrance to the site. The gates will be fixed within existing openings between the brickwork piers to the front boundary on Road.

409 Stillorgan Road, Stillorgan, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Refused18 February 2020
D23B/0422

Construction of single and two storey extension to rear, small (2.6m x 3m) frestanding garden room retreat, conversion of attic with dormer to rear and associated internal alterations.

23, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94E3P2Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted17 January 2024
D20A/0041

Permission for development. The development consists of the relocation of existing entrance pier and associated increase in width of the existing driveway entrance by 0.5 metres and all associated site works.

18 Sycamore Crescent, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.2 km away
Granted12 March 2020
D21A/0799

Permission is sought for the extension

26 Greygates, Mount Merrion, County Dublin, A94 P3X4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted27 October 2021
D21A/0178

Permission is sought for the extension and alterations of

26 Greygates, Mount Merrion, County Dublin, A94 P3X4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted27 April 2021
D24A/1036/WEB

Alterations to previously granted planning (under Reg. Ref D24A/0817/WEB) for development at 8 Greenfield Road, Mount Merrion, Blackrock, Co. Dublin, A94 D2E9. The proposed alterations will consist of a) additional 1.0m in depth to proposed rear extensions to ground and first floor, b) new flat-roof dormer window to rear of existing roof slope to facilitate attic conversion, c) changes to rooflights at attic level, and all associated site works.

8, Greenfield Road, Mount Merrion, Blackrock, Dublin, A94D2E9Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted19 March 2025
D24A/0817/WEB

A) removal of existing single-storey extension, sheds and garage to side and rear of dwelling, and b) the construction of a two-storey, extension to side and rear of existing dwelling, with rooflights, c) single-storey extension to rear of dwelling, with rooflights, d) widening of existing vehicular entrance piers to 3.5m, and all associated site works.

8, Greenfield Road, Mount Merrion, Blackrock, Co. Dublin, A94 D2E9Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted03 December 2024
D23A/0696

New single storey rear extension, remodelled layout and widened vehicular access.

9, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94Y9Y0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted04 January 2024
D20B/0127

Permission for construction of a single-story

72 The Rise, Mount Merrion, Blackrock, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons10 conditions0.2 km away
Granted08 July 2020
D20A/0680

Permission is sought for removal of

The Coach House, Mount Merrion Avenue, Blackrock, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted19 February 2021
D24A/0494/WEB

The development will consist of: 1) Construction of a single storey extension to the rear(west) of the property. 2) Conversion of the existing attic into bedroom and storage space including the construction of new dormer to pitched roof at the rear(west) of the dwelling and extension of existing roof, with 1no. Velux rooflight added to both side elevations of the property. 3) Addition of pedestrian access gate to the south boundary of the property onto Greenfield Road. 4) All consequential internal and external demolitions and modifications of the existing dwelling, including a new window to the existing garage and additional window to front elevation of the dwelling. 5) All ancillary site development works, landscaping and services.

25, Greygates, Stillorgan Road, Blackrock, Dublin, A94E2X0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted26 August 2024
D26B/0099/WEB

Proposed construction of a single story extension to provide an accessible toilet and shower room, together with alterations to the existing porch and the addition of a new entrance canopy.

38, Stillorgan Road, Blackrock, Dublin, A94A2W2Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted10 April 2026
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 conditions0.2 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 conditions0.2 km away
Granted10 February 2023
D25B/0292

The development will consist of the construction of a part-one, part-two rear and side extension with skylights and roof-lights, a rear roof dormer to facilitate attic conversion with front and rear roof-lights on main roof, a ground floor front extension with and open porch and a bay window, a first-floor front extension featuring a bay window, minor alteration to the existing front fenestration and the existing rear fenestration, addition of a side semi-detached garage, internal alterations to existing dwelling to allow proposed new internal layout and all ancillary site works.

66, The Rise, Mount Merrion, Blackrock, Dublin, A94X9F6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted17 July 2025
D22A/0272

Permission for works to existing semi-detached dwelling comprised of: construction of single storey garden room, incorporating wc, garden store and external barbeque area, to rear of rear garden; and all ancillary works; following on foot of previously granted Planning Permission Reg Ref D21A/1059

86, The Rise, Mount Merrion, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted29 July 2022
D21A/1059

Permission for a domestic extension

86, The Rise, Mount Merrion, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted01 February 2022
D25A/0757/WEB

The development will consist of the replacement of 2no existing advertising display signs (of c.2750mm wide X 1420mm high and c.2000mm wide X 1000mm high) erected on steel pole structures with 2no. LED digital advertising display signs (of c.2750mm wide X 1500mm high and 2000mm wide X 1000mm high) erected on steel pole structures, the overall height of the signs will be c.2500mm high, all together with associated site works.

Talbot Hotel Stillorgan, Stillorgan Road, Blackrock, Co. Dublin, A94V6K5Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Refused24 November 2025
D23A/0517

A) The demolition of an existing one-storey garage to the side and a one-storey return to the rear. B) The construction of a part one-storey part two storey extension to the rear and side. C) the construction of a dormer extension on the rear roof slope. D) Locating new rooflights on the front and side roof slopes. E) Widening the existing vehicular entrance to Sycamore Road. F) relocating the front entrance door and other amendments to front facade. G) The construction of a bin store in the front garden and other associated landscape works. H) All associated site site works and services.

39, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94R3N8Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted18 September 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 conditions0.2 km away
Granted02 December 2025
D26B/0196/WEB

The development will consist of: (i) demolition of the existing single-storey garage to the west (side) of the dwelling, together with the glazed sunroom and shed to the south (rear); (ii) construction of a single-storey pitched-roof porch to the north (front) elevation; (iii) construction of a single-storey flat roof extension to the west (side) and south (rear); (iv) construction of bay window extension with pitched roof to 1st floor level at south (rear) facade; (v) installation of Velux rooflights to the north (front) and west (side) roof slopes; (vi) reduction in size of a first-floor window to the west (side) elevation; (vii) formation of a 1-metre-wide side passage to provide rear access; and (viii) all associated site development and ancillary works.

18, Greenfield Road, Mount Merrion, Dublin, A94A0W7Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted25 May 2026
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 conditions0.2 km away
Granted07 May 2026
D21A/0116

Permission sought for the alteration

Merrion House, Mount Merrion Avenue, Blackrock, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted31 March 2021
D22A/0470

Permission is sought for alterations and additions to an existing 2-storey- semi-detached dwelling. The development will comprise the demolition of an existing single storey sunroom & kitchen/dining extension to the rear, together with the demolition of an existing single storey garage & utility room extension to the gable end, and the construction of a new 2-storey/part single storey extension to the rear, and the construction of a new single storey playroom & utility room extension to the gable end in lieu. The proposed development also comprises the construction of a new entrance porch to the existing entrance to the front elevation, and the formation of a new central vehicular access gate at the front boundary to the property in lieu of the existing vehicular entrance to be blocked up, together with all associated works, including connections into existing services.

54, The Rise, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted24 August 2022
D20B/0260

Permission for a two storey extension

23 Greygates, Stillorgan Road, Blackrock, Co. Dublin A94X3Y4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted27 October 2020
D25B/0375/WEB

Removal of existing pitched roof structure, to existing first floor extension to rear, and replacement with (zinc clad) barrel roof structure (to accommodate provision of attic room within roof space), raising existing external walls (to existing first floor extension) to form parapet all round, and, relocation/raising of existing first floor window to the side external wall of the existing house (in connection with the provision of staircase to attic room).

48, The Rise, Mount Merrion, Blackrock, Dublin, A94A3Y6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Refused22 August 2025
D24B/0523/WEB

Altering/raising pitched roof, to existing first floor extension to the rear of the existing house, building up the rear external wall to incorporate window, to accommodate attic bedroom extension (within the altered/raised roof space), and, relocation/raising of existing first floor window to the side external wall of the existing house (in connection with the provision of staircase to attic bedroom).

48, The Rise, Mount Merrion, Blackrock, Co. Dublin, A94A3Y6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Refused05 February 2025
D20B/0384

Permission is sought for the

48, The Rise, Mount Merrion, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted28 January 2021
D21A/0064

Permission is being sought for

94, The Rise, Mount Merrion, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted25 March 2021
D20A/0314

Permission for alterations and additions to an existing 2-storey semi-detached dwelling. The proposed development will comprise the demolition of an existing single storey and conservatory extension to the rear, together with the demolition of an existing 2-storey extension to the gable end of the original dwelling. The proposed works will include the construction of a new 2-storey & part single storey extension to the rear, the construction of a new single storey extension to the gable end incorporating a new side access to the rear garden, together with the conversion of the existing attic space, and modifications to the main entrance to the front elevation. The proposed works will also include the widening of the existing front entrance gates, and all ancillary site works, including connections to existing services.

94 The Rise, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons8 conditions0.3 km away
Granted15 July 2020
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 conditions0.3 km away
Granted12 February 2024
D20A/0239

Permission for development.

22, Greygates, Stillorgan Road, Blackrock, Co. Dublin, A94 N6W7Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted28 August 2020
D23B/0349

Demolition of existing single storey extension to rear, construction of new single storey extension to rear, and for new/altered window/external door opes (at ground floor) to side, to existing (semi-detached) house.

5, Trees Road Lower, Mount Merrion, Blackrock, Dublin, A94XP97Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted11 September 2023
D21B/0421

Permission for development to consist of the

89 The Rise, Mount Merrion, Blackrock, Co. Dublin, A94 X4E2Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted01 October 2021
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 conditions0.3 km away
Granted25 June 2025
D22B/0345

Permission for development at this site. The development will consist of alterations to previously approved planning application Reg Ref:D22B/0213 to include alterations to the proposed rear dormer and all associated internal alterations.

The Rectory, 131 Mount Merrion Avenue, Blackrock, Co Dublin, A94 W2P6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted09 September 2022
D22B/0213

Permission for development. The development will consist of: Demolition of existing slate roof, flat roof to the side and 3 no. chimney stacks; Replacement of existing roofs with a new circa 0.5m higher hipped / pitched slate roof with 1no. dormer window to the front and 1no. dormer window to the rear - to provide an attic dormer extension. All associated internal alterations, drainage and ancillary works.

The Rectory, 131 Mount Merrion Avenue, Blackrock, Co. Dublin, A94 W2P6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted15 June 2022
D22A/0288

Permission for development at this site. The development will consist of: demolition of single storey extension and shed both to the rear. construction of new 43sqm single storey extension with 1no. rooflight to the rear. 1.5sqm porch extension and single storey front porch surround. replacement of existing flat roof to the side with a new hipped slate roof. alterations to existing opes on all elevations including 2no. new windows at ground floor to the side. external wall insulation and self coloured render finish on all elevations. widen existing vehicular entrance to 3.6m. all associated internal alterations, drainage and ancillary works.

The Rectory, 131 Mount Merrion Avenue, Blackrock, Co. Dublin A94 W2P6Dun Laoghaire Rathdown County CouncilPermission0 reasons7 conditions0.3 km away
Granted15 June 2022
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 conditions0.3 km away
Granted04 February 2026
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