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Planning records

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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 conditions0.3 km away
Granted22 February 2022
D26A/0154/WEB

Permission and retention permission for 01) Bay window extension with a pitched roof to the front of the house and relocation of the front door to the front wall of the house 02), Construction of single storey extension to the rear of the house, increasing the size of existing extension and replacing the existing pitched roof with a new flat roof over the total single storey extension area to the rear, 03) Retention of 13m2 which forms part of the existing single storey to the rear 04) Proposed alteration to fenestration 05) Construction a dormer roof extension to the rear of the house to replace the existing dormer and retention of the converted attic area (19.9m2), 06) A roof light to the front roof pitch of the house and a roof light to the side roof pitch of the house 07) Widening of the existing front vehicular access gates and 08) All associated site works to facilitate the development

92, Trees Road Upper, Mount Merrion, Dublin, A94V2D5Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted16 April 2026
D20A/0623

Permission for development

90, Trees Road Upper, Mount Merrion, Blackrock, Co Dublin, A94P9X0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted29 October 2020
D22A/0975

Retention Permission. The development will consist of an increase to the existing driveway entrance by 0.5 metres with new pier to match existing.

39 Thornhill Road, Mount Merrion, Blackrock, Co Dublin, A94Y7V7Dun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.3 km away
Granted03 February 2023
D25A/0536/WEB

Single storey rear extension, alterations to the front façade, Velux type of windows to the front roof, Dormer type of window to the rear roof, widening existing vehicular access, some internal alterations and associated site works.

66, Dunaree, South Avenue, Mount Merrion, Co Dublin, A94 Y4C9Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted22 August 2025
D23B/0228

Demolition of garage, side/rear extension and porch screen, drop cill to existing front ground floor window, install 1no. new roof-light to existing side roof and construction of new garage to side, part single, part two storey extension to side/rear with pergola structure to rear, and all associated drainage and landscaping works.

62, Glenabbey Road, Mount Merrion, Dublin, A94K0V2Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted11 July 2023
D23B/0601

Permission for construction of a dormer window in the main roof to the rear of the house as well as the construction of a dormer window in the main roof to the front of the house.

23, Clonmore Road, Mount Merrion, Blackrock, Dublin, A94A0V5Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted22 February 2024
D22A/0125

Permission for development consisting of the following:

64 Glenabbey Road, Mount Merrion, Blackrock, Co. Dublin, A94K2F3Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted13 April 2022
D20A/0658

Permission for alterations and additions to existing

No.33 Thornhill Road, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted11 November 2020
D25A/0990/WEB

The construction of a single-storey extension to the front and a part single-part two-storey extension to the rear of the existing dwelling, together with revisions to the scale and rearward projection of the rear extension, new windows to the west side elevation, rooflights to the main roof, demolition of the east chimney, widening of the front vehicular entrance, and all associated site works.

61, Mount Anville Wood, Goatstown, Dublin 14, D14TY86Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted18 February 2026
D25A/0695/WEB

Construction of a single-storey extension to the front at ground level and a two-storey extension to the full width of the rear of the house, the insertion of windows to the west side elevation at ground and first floor level, rooflights to the main roof, demolition of the east chimney, and widening of the front vehicular entrance, together with all associated site works.

61, Mount Anville Wood, Goatstown, Dublin 14, D14TY86Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted29 October 2025
D21A/0538

Permission for development. The development will consist of

39 Clonmore Road, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted17 December 2021
D21A/0454

Pemrission is sought. The development consists of:

25 Deerpark Road, Mount Merrion, Co. Dublin, A94 D2Y2Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted22 September 2021
D21A/0233

Permission for the following, including all associated site-works: a) Internal alterations at ground floor level including front and side facing flush roof-lights and demolition of front chimney. b) A single-storey, rear ground floor, flat roofed extension (55sq.m.) and patio. c) Conversion of the side garage (18sq.m.) including the relocation of the main entrance from the eastern side to the converted western side and the extension of the original roof over same with a pergola in front. d) Conversion of the attic to non-habitable storage area and bathroom and the replacement and enlargement of the existing sub-standard rear facing dormer window, also the provision of flush roof-lights and alterations to the west facing hip, e) Widening of the existing front vehicular entrance from 2.4m to 3.5m. f) A detached single-storey, flat roofed games room and home office (45sq.m.) at the southern end of the rear garden.

27 Clonmore Road, Mount Merrion, Blackrock, County Dublin (A94 C1P3)Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted28 July 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 conditions0.4 km away
Granted28 August 2020
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 conditions0.4 km away
Granted23 May 2022
D22A/0223

Full permission for development. The proposed development will consist of a) removal of existing porch to front, extension to rear and detached garage, and b) the construction of a two-storey extension to side and rear of existing dwelling, with rooflight to front, c) Single-storey extension to rear with rooflight, d) external insulation with new render finish to existing dwelling, e) alterations to fenestration including new bay window to front of existing dwelling, f) widening of existing vehicular entrance piers to 3.5m, g) new 2.0m high boundary wall to rear garden, and all associated site works.

66 Glenabbey Road, Mount Merrion, Blackrock, Co. Dublin, A94 N8P4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted23 May 2022
D25A/0466/WEB

Alterations to previously granted planning application reg/ref: D24A/0932/WEB to include attic dormer with window to the rear and associated works.

68, Thornhill Road, Mount Merrion, Lower Kilmacud Road, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Refused01 August 2025
D25A/0183/WEB

Alterations to previously granted planning application reg/ref: D24A/0932/WEB to include: increased separation of first floor west gable wall from boundary line, reduction in size of ground floor rear extension, modifications to configuration of first floor rear extension, inclusion of two modest east facing first floor windows, roof light to the front and associated works.

68, Thornhill Road, Mount Merrion, Blackrock, Dublin, A94E2R9Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted01 May 2025
D24A/0932/WEB

Demolition of the existing single storey garage / extension to the side and rear and existing chimney to the rear. Construction of new two storey pitched roof extension to the side and rear with bay projection to the front, part two storey / part single storey flat roof extension to the rear, internal alterations including attic conversion and roof lights to the side and rear. Works will also consist of widening of existing vehicular entrance, site drainage, landscaping and associated works.

68, Thornhill Road, Mount Merrion, Blackrock, Co. Dublin, A94E2R9Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted23 January 2025
D23B/0278

The construction of a detached, flat-roof garden room to rear garden with 1no. rooflight and all associated site works.

66, Glenabbey Road, Mount Merrion, Blackrock, Dublin, A94N8P4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted21 July 2023
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 conditions0.4 km away
Granted21 June 2023
D24B/0265

Permission for Amendments to previously granted permission register Reference D23B/0062 for development. The development will consist of: Demolition of existing single storey extension to side and chimney. The construction of a new single storey extension to side and smaller single storey extension to rear for proposed study, new layout for kitchen/ living and utility area and new long window to existing front elevation.

64, Thornhill Road, Mount Merrion, Blackrock, Dublin, A94T6T0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted29 July 2024
D23B/0062

Demolition of existing single storey extension to side, utility room to rear and chimney. The construction of a new single storey extension to side and rear for proposed study, new layout for kitchen/living and utility area and new long window to existing front elevation. Construction of first floor extension to the side for a new family bathroom.

64, Thornhill Road, Mount Merrion, Dublin, A94T6T0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted11 April 2023
D20B/0125

The development will consist of the construction of

27 Thornhill Road, Mount Merrion, Blackrock, Co. Dublin A94 N8C5Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted10 July 2020
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 conditions0.4 km away
Granted23 April 2026
D21A/0609

Permission for development. The development

11, Deerpark Road, Mount Merrion, Blackrock, Co Dublin, A94F2X2Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted13 December 2021
D22A/0364

Permission for development. The development will consist of

31 Deerpark Road, Mount Merrion, County Dublin, A94 F8X8Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted19 September 2022
D25A/0666/WEB

Proposed alterations and additions to an existing single storey detached dwelling. The development will comprise the demolition of an existing single-storey kitchen extension to the side and rear together with the demolition of an existing conservatory extension to the rear. The proposed new works will comprise the construction of a new 2-storey dormer extension to the rear elevation (south), and construction of a new single storey utility room extension to side elevation (west) including new side entrance door, together with the construction of a new dormer window to the side elevation (east), and the conversion of the existing attic space with a new dormer window to the front elevation (north) including new velux rooflights to the side elevations. The proposed works will also comprise the widening of the existing vehicular entrance to the front boundary of the property, and all associated ancillary site works including connections to existing services.

No. 7 Deerpark Road, Mount Merrion, Co. Dublin, A94A4P0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted17 October 2025
D25A/0182/WEB

Alterations and extension to the existing dwelling, including the partial demolition of the existing single-storey side and rear extension, conservatory, and removal of the existing roof. The development will provide first-floor accommodation under a new pitched roof with a raised ridge height, a new single-storey flat roof extension to the side, and a two-storey flat roof extension to the rear. The proposal also includes modifications to the existing ground floor layout and elevations, along with all associated site works.

7 Deerpark Road, Mount Merrion, Blackrock, Dublin, A94A4P0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Refused01 May 2025
D21B/0691

Permission is being sought for alterations

44, South Avenue, Mount Merrion, Dublin,Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted18 February 2022
D22A/0956

Permission sought for demolition of existing garden screen wall, side wall of utility/storeroom structure, section of existing breakfast room wall & bedroom 3 for new window openings. New single storey bay window extension to existing living room & canopy roof over front door to front elevation. New side single storey extension & bay window to front to existing utility/store room to form bedroom and bathroom. New screen wall & relocated side gate. New single storey extension to rear elevation comprising of dining area/lounge on the ground floor. New window to existing breakfast room/new utility room on the ground floor, new window with obscure glass to new bathroom on 1st floor.

67, South Avenue, Mount Merrion, Dublin, A94 E2Y9Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted01 February 2023
D25B/0615/WEB

(i) The construction of a new open entrance porch to the front façade; (ii) the installation of a rooflight above the stairwell on the front roof slope at attic level; (iii) the construction of a contemporary pressed metal-clad dormer window to the rear roof slope at attic level to accommodate habitable rooms; and (iv) all associated site and ancillary works necessary to facilitate the development.

36 Mount Anville Wood, Kilmacud, Dublin 14, D14N226Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted10 December 2025
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 conditions0.4 km away
Granted06 August 2025
D22A/0804

Retention permission for development. The development consists of demolition/removal of single storey shed and replacement with new single storey carport and shed in the front garden.

Parkfield House, Mount Anville Road, Dublin 14, D14 C6W4Dun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.4 km away
Granted09 December 2022
D20B/0318

Permission for development. The development

Parkfield House, Mount Anville Road, Dublin 14, D14C6W4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted08 December 2020
D19B/0474

Permission for development. The development will consist of: Demolition / removal of single storey conservatory to the side and two storey bay window to the rear. Construction of new 28.5sqm single storey extension with 1no. rooflight to the rear. Replacement of 1no. velux with 1no. new dormer window in the rear roof. Replacement of existing two storey bay windows to the front. Alterations to existing single storey porch to the front. Alterations to existing opes on all elevations including 1no. new velux to the rear. All associated internal alterations, drainage and ancillary works.

Park Field House, Mount Annville Road, Dublin 14 D14 C6W4Dun Laoghaire Rathdown County CouncilPermission0 reasons4 conditions0.4 km away
Granted17 January 2020
D20B/0358

Permission for development at this site

17, Thornhill Road, Mount Merrion, Dublin, A94EOW6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted22 March 2021
D20A/0453

Permission is sought for development consisting of first floor extension and associated alterations to elevations, comprising two additional bedrooms over existing single storey flat roof, alterations to attic accommodation and new dormer attic roof to the rear (east elevation), new roof lights and PV panels to the front (west elevation), three number windows to the gable elevation (north elevation) and associated internal alterations and site works.

77 South Avenue, Mount Merrion, Blackrock, County DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted29 September 2020
D22B/0156

Retention permission is sought for development consisting of the demolition of existing entrance canopy and the construction of a new entrance canopy to the front elevation (west elevation) and associated site works.

77 South Avenue, Mount Merrion, Blackrock, County DublinDun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.4 km away
Granted17 May 2022
D20A/0812

Permission is sought for development consistng of

77 South Avenue, Mount Merrion, Blackrock, County DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted07 January 2021
D25A/0089/WEB

Retention Permission is sought for demolition of the existing dwelling and garage in its entirety, Permission is sought for the construction of a new two storey house and single storey extension to rear (with 1 no rooflight); increase in width of existing front vehicular entrance & all associated site works to a demolished two storey semi-detached house at 40 Thornhill Road, Mount Merrion, Blackrock, Co. Dublin, A94 K4X0.

40, Thornhill Road, Mount Merrion, Blackrock, Dublin, A94K4X0Dun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.4 km away
Granted02 April 2025
D23A/0302

Demolition of the single storey conservatory extension to rear and the garage and store to side to allow for the subsequent construction of a two storey extension to side and single storey extension to rear with 1 no. rooflight. New two storey protruding extension to front. 2 no. new bay windows to front at ground floor. 2no. new projecting windows to rear at first floor level. External insulation to all external walls, modifications to existing fenestration, increase in width of existing front vehicular entrance & all associated site works to an existing two storey semi-detached house.

40, Thornhill Road, Mount Merrion, Blackrock, Dublin, A94K4X0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted23 June 2023
D21A/0541

Permission is sought for the conversion

81, South Avenue, Mount Merrion, Blackrock, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted04 August 2021
D26A/0295

For the demolition of 2 no. garages (one each at Nos. 33 and 35 Clonmore Road), and a glass house and polytunnel both at No. 33, and the construction of 8 no. semi-detached part dormer part two storey three bedroom dwellings (5 no. 130 sq.m, each; 2 no. 140 sq.m, each and 1 no. 158 sq.m.) with a shared surface road way to the side of No. 33, and all ancillary site development works (including drainage, landscaping, new boundary walls to Nos. 33 & 35) at a 0.198 ha. site formed by part of Nos. 33 and 35 Clonmore Road, Mount Merrion, Co. Dublin.

Rear lands No. 33 & No. 35 Clonmore Road, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Refused10 June 2026
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
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
D23B/0509/WEB

The development will consist of demolition of an existing 28m² single-story rear extension, to facilitate construction of a new two-story, 78m² extension. The new extension will accommodate a kitchen and bedroom (with ensuite) on ground floor, covering a total area of 66m². On the first floor there will be a children’s bedroom with a floor area of 12m².

13, Mount Anville Wood, Dublin 14, D14DH72Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.4 km away
Granted20 December 2023
D22B/0072

Retention permission. The area to be retained consists of

36 Thornhill Road, Mount Merrion, Co. Dublin, A94A6K2Dun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.4 km away
Granted11 April 2022
Showing 51-100 of 35,866
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