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D20B/0221

Permission sought for proposed front single storey

69 Trees Road Upper, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted01 April 2021
D20A/0434

Permission is sought for the extension. The proposed development will include the extension of the existing pitched roof over the existing first floor extension, the Widening of the existing vehicular entrance and an additional single storey extension to the rear of the site.

67 Trees Rd Upper, Mount Merrion, Blackrock, Co. Dublin A94 E9WDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted20 October 2020
D24A/0413

Permission for alterations and additions to an existing 2-storey semi-detached dwelling comprising of the demolition of an existing single-storey extension to the gable-end and to the rear, together with the demolition of an existing second floor/attic level dormer extension to the rear. The proposed new works will comprise the construction of a new 2-storey/part-single storey extension to the rear, and a new 2-storey/part single storey extension to the gable-end, together with a new dormer extension to the rear to replace the existing dormer extension at second floor/attic level, including new velux rooflights to the front and rear. The proposed works will also comprise a new entrance porch and alterations to the existing window openings to the front elevation, together with the widening of the existing vehicular entrance to the front boundary of the property, and the provision of a new bike /storage shed to the side garden, and all associated ancillary site works including connections to existing services.

96, Trees Road Upper, Mount Merrion, Blackrock, Dublin, A94X7H9Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted01 August 2024
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 conditions0.1 km away
Granted17 October 2025
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 conditions0.1 km away
Granted22 February 2022
D22B/0189

Permission for an extension and refurbishment

23, Cedarmount Road, Mount Merrion, County Dublin, A94P9K7Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted30 June 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 conditions0.1 km away
Granted16 April 2026
D24B/0152

Permission for: 1) Conversion of existing hip roof to gable roof. 2) Proposed frosted window to new gable. 3) Proposed 2no. Velux windows and metal clad dormer all to front roof. 4) Widening of existing metal clad dormer to rear roof and widening of existing window to front elevation. 5) New habitable room for home office to new attic space. 6) Proposed single storey extensions to front elevation to include bay windows and external porch, with removal of exisiting window. 7) Replacement of existing pebbledash render with new smooth white render finish and all associated site works.

42, Clonmore Road, Mount Merrion, Blackrock, Dublin, A94V2P0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted31 May 2024
D20A/0623

Permission for development

90, Trees Road Upper, Mount Merrion, Blackrock, Co Dublin, A94P9X0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted29 October 2020
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 conditions0.1 km away
Granted12 September 2025
D21A/0538

Permission for development. The development will consist of

39 Clonmore Road, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted17 December 2021
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 conditions0.1 km away
Granted17 February 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 conditions0.1 km away
Granted23 April 2026
D20A/0974

Permission for an extension and

60, Cedarmount Road, Mount Merrion, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted22 February 2021
D21B/0691

Permission is being sought for alterations

44, South Avenue, Mount Merrion, Dublin,Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted18 February 2022
D23A/0524

Permission for the following: a) demolition of the existing garage/single-storey extension to the rear & side of the existing dwelling; b) construction of a part single & two-storey extension to the front, rear & side of the existing dwelling; c) 2no. bay window and porch extension to the front of existing house; d) 3no. rooflights to new flat roofs to rear & 1no. rooflight to side of new extended main roof; e) minor alterations to existing elevations including provision of enlarged window to front and reduced window to rear, both at first floor, all to existing house, f) all associated site works & landscaping works including widening of existing vehicular entrance to driveway.

118 Tree's Road Upper, Mount Merrion, Co. Dublin, A94 PR80Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted29 September 2023
D25B/0133/WEB

The construction of a dormer window & 1no rooflight to the rear elevation roof and 1no rooflight to the front elevation lower roof.

38, Cedarmount Road, Blackrock, Co. Dublin, A94P8D4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted02 May 2025
D20A/0445

Permission for works. The development will consist of

57 Cedarmount Road, Mount Merrion, County Dublin A94 X2F9Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted30 September 2020
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 conditions0.2 km away
Granted02 January 2020
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 conditions0.2 km away
Granted01 February 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 conditions0.2 km away
Granted22 February 2024
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 conditions0.2 km away
Granted28 July 2021
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 conditions0.2 km away
Granted22 August 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 conditions0.2 km away
Granted31 May 2024
D23A/0061

Retention & Planning permission. i) Retention to retain a shed comprising an entertainment room/gym/playroom and storeroom, and gazebo at the rear of the dwelling. ii) Planning permission for demolition of the existing garage and shed, construction of a single storey extension to the side for granny flat and home office/guest room and widening of the existing vehicular access onto Clonmore Road.

20, Clonmore Road, Mount Merrion, Blackrock, Dublin, A94W1X0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted28 March 2023
D22A/0712

The development will consist of the demolition of the existing garage and shed, construction of a single storey extension to the side for granny flat and home office/guest room. Widening of the existing vehicular access onto Clonmore Road.

20 Clonmore Road, Mount Merrion, Blackrock, A94 W1X0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Refused22 December 2022
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 conditions0.2 km away
Refused10 June 2026
D22B/0343

Planning Permission is sought for: 1. The removal of the existing flat roof single storey rear outbuildings and bay window. 2. The construction of a part single, part two storey extension with 2no. associated rooflights to the rear. 3. The construction of single storey extension to the front with new pitched roof across the elevation. 4. All ancillary site and landscaping works.

Mount Merrion, No. 30 Cedarmount Road, Blackrock, Co Dublin, A94H6Y2Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted14 September 2022
D24A/0369

Change of use of existing dwelling to use as a dental surgery with associated internal alterations with a total floor area of 180sqm. 1 additional car parking space and cycle bike storage to rear of property. New 2.8m x 0.6m signage above front entrance and associated site works.

103, Trees Road Upper, Mount Merrion, Blackrock, Dublin, A94WD36Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Refused23 July 2024
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 conditions0.2 km away
Granted11 March 2026
D21A/0034

Permission is sought for development including; the

28 Cedarmount Road, Mount Merrion, Blackrock, Co. Dublin, A94F7X6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted10 March 2021
D21A/0410

Permission for development at this site

5, Clonmore Road, Mount Merrion, Dublin, A94W5C1Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Refused29 June 2021
D19A/0883

Permission for development. The development will consist of

5 Clonmore Road, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted15 January 2020
D26B/0021/WEB

The development will consist of removal of existing porch door and relocation of existing front door and incorporating the existing porch into the floor area of the dwelling (floor area 1.72m.sq.), construction of a single storey extension to front, side and rear of the dwelling consisting of the conversion of the garage, extension to front of garage and extension to rear of the dwelling (total floor area 58.28m.sq.) and associated site works.

Greenways, 128 Trees Road Upper, Mount Merrion, Co. Dublin, A94W8W8Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted09 March 2026
D25A/0626/WEB

The development will consist of the proposal to remove condition No.7 of granted permission D16A/0206 to omit the requirement of "the physiotherapy practice be operated only by a physiotherapist in residence in the dwelling of which it forms part and that it not be separated from the existing dwelling either by way of sale or letting or otherwise." No changes are proposed internally or externally to the building or curtilage.

105, Trees Road Upper, Mount Merrion, Blackrock, Dublin, A94RX70Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted01 October 2025
D24A/0503/WEB

A) Demolition of the front porch & subsequent construction of a single-storey porch to the front of existing house; b) Construction of a single-storey extension to the rear of the existing dwelling; c) 1no. dormer window to the rear of the existing main roof; d) 2no. rooflights to new flat roofs to rear & 2no. rooflights to front porch extension & 2no. rooflights to the front & side of existing main roof; e) Minor alterations to enlarge rear window at ground floor of existing house; f) All associated site works & landscaping works including moving & widening of existing vehicular entrance to driveway.

26, Cedarmount Road, Mount Merrion, Blackrock, Dublin, A94H2H0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted02 September 2024
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 conditions0.2 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 conditions0.2 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 conditions0.2 km away
Granted07 January 2021
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 conditions0.2 km away
Granted10 July 2020
D20B/0358

Permission for development at this site

17, Thornhill Road, Mount Merrion, Dublin, A94EOW6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted22 March 2021
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 conditions0.2 km away
Granted07 April 2021
D21A/1106

Permission for development which will consist of;

107 Trees Road Upper, Mount Merrion, Blackrock, Co. Dublin A94 D8W5Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Refused15 February 2022
D25A/0143

Which will consist of change of use of existing 125sq metre vacant commercial premises to a Veterinary Clinic. The proposed works include internal alterations, soundproofing the kennel area signage, and ancillary works.

107, Trees Road Upper, Mount Merrion, Blackrock, Dublin, A94D8W5Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted16 April 2025
D20A/0658

Permission for alterations and additions to existing

No.33 Thornhill Road, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted11 November 2020
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 conditions0.2 km away
Granted13 July 2023
D21B/0298

Permission for development. The development will consist of

38 Glenabbey Road, Mount Merrion, Co. Dublin, A94 T6X6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted05 August 2021
D21A/0541

Permission is sought for the conversion

81, South Avenue, Mount Merrion, Blackrock, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted04 August 2021
D21A/0635

The development will consist of

7, Thornhill Road, Mount Merrion, Blackrock, County Dublin, A94D1WSDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted27 August 2021
D20A/0077

Permission fro development. The development will consist of

12 Clonmore Road, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted25 March 2020
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