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D26B/0172/WEB

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

12, The Close, Mount Merrion, Blackrock, Co. Dublin, A94DH57Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted07 May 2026
D25A/0411/WEB

Demolition of a single-storey conservatory and a boiler house to the rear and side of the existing single-storey dwelling; Demolition of a garden shed within the property boundary; Construction of new single storey extension to the side and rear of the existing house and a garden room to the rear of the site; New widened entrance and gates to the front of the property; All associated landscaping, drainage and site development works.

6, Iris Grove, Mount Merrion, Blackrock, Co. Dublin, A94RH56Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted11 July 2025
D24A/0080

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

No 7 Chestnut Road, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted03 May 2024
D20A/0458

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

7 Chestnut Road, Mount Merrion, Blackrock, Co. Dublin, A94V622Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted13 October 2020
D20B/0216

Permission for development. The development will consist / consists of: Planning permission is sought for an attic conversion for study and storage use, raising of gable side wall with new dormer window to rear and all associated site works.

9 The Close, Booterstown, Co. Dublin, A94 RF98Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted30 October 2020
D24A/0470/WEB

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

15, Chestnut Road, Mount Merrion, Blackrock, Dublin, A94EK46Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted22 August 2024
D24A/0706/WEB

The proposed development will consist of (i) Demolition of one existing chimney (ii) Construction of a new part 2 storey, part single storey extension to the rear (iii) Conversion of the attic to a habitable space and introduction of 1 dormer window to the rear (iv) conversion of the existing garage space to a habitable space and replacement of existing garage door with a new bay window (v) Introduction of 1 velux windows and a first floor window to the side elevation (vi) Construction of a bike and bin store to the front garden (vii) widening of the existing entrance gate onto The Rise (viii) construction of a single storey garden room to the rear garden (ix) alterations to all elevations, associated landscaping and all ancillary works necessary to facilitate development.

15, The Rise, Mount Merrion, Blackrock, Dublin, A94CF74Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted31 October 2024
D20B/0327

Retention permission for development consisting

Glenard, 13, The Rise, Mount Merrion, Blackrock, Co Dublin, A94AN20Dun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.1 km away
Granted04 December 2020
D22A/0349

The development will consist of the following: 1. Demolition of existing single storey outbuildings used for storage to southern garden boundary wall, 2. Erection of single storey flat roof extension to front elevation, 3. Erection of two storey flat roof extension to side elevation, 4. Erection of part single story part two storey flat roof extension to rear elevation, 5. Internal alterations to make the house wheelchair accessible, 6. Incorporation of deep retrofit measures, 7. Widening of existing vehicular entrance along with all ancillary and associated site works

30, The Rise, Mount Merrion, Blackrock, Co Dublin, A94X3X6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted01 December 2022
D20A/0665

Permission for development to the rear

Rear and side of, 22, St. Thomas Road, Mount Merrion, Blackrock, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted10 November 2020
D25B/0053/WEB

The construction of a new ground floor extension to the rear, and to the side at ground and first floor level. Conversion/extension of attic and part of garage area and associated works.

39 Greenfield Road, Mount Merrion, Blackrock, Co Dublin, A94 K7Y0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted25 March 2025
D20A/0346

Permission for development. The development will consist of

39, Greenfield Road, Mount Merrion, Blackrock, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted01 September 2020
D24A/0855/WEB

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

9, Roebuck Avenue, Mount Merrion, Stillorgan, Co. Dublin, A94K3V6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted12 December 2024
D21A/0036

Permission for a domestic extension and alterations

11 The Rise, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted05 March 2021
D20B/0191

Retention of a garden shed at the rear.

43 Greenfield Road, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.2 km away
Granted21 August 2020
D25B/0626/WEB

Redevelopment of existing 2 storey 3 bedroom semi-detached house. Works to include the demolition of existing single storey extension to the side and rear (33.0 Sq.m) and demolition of outbuildings. The ground floor area will be extended (58.0 Sq.m) to include new kitchen / living / dining room, utility and study as well as internal revisions to the layout; the first floor area will be extended (41.6 Sq.m) to create a fourth bedroom, en-suite and bathroom as well as internal revisions to the layout, including alterations to the front, side and rear elevations and all associated site works.

14, Saint Thomas Road, Mount Merrion, Blackrock, Co. Dublin, A94 AE89Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted23 December 2025
D20A/0173

Retention permission for unauthorised modifications to

24 The Rise, Mount Merrion, Blackrock, Co. Dublin, A94 T029Dun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.2 km away
Granted22 June 2020
D20A/0605

Retention Permission is sought for modifications to front boundary treatment (previously granted under planning ref: D18A/0472) consisting of A) installation of low level wrought iron railings on top of existing low level brickwork front boundary wall, & B) installation of wrought iron sliding entrance gate with all associated and ancillary site development works.

24 The Rise, Mount Merrion, Blackrock, Co. Dublin, A94 T029Dun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.2 km away
Refused27 October 2020
D22A/0980

Permission for development consisting of revisions to previously approved development D20A/0962 to include reduced single storey utility and plant room to rear and new first floor ensuite and dressing room extension to east gable serving existing first floor bedroom and all associated roof and site works.

8, St Thomas Road, Mount Merrion, Blackrock, Co Dublin, A94Y598Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted09 February 2023
D20A/0962

Permission for development consisting of

8, St Thomas Road, Mount Merrion, Blackrock, Co Dublin, A94Y598Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted18 February 2021
D23A/0741

Demolition of existing detached two-storey dwelling house. Construction of two-storey detached replacement dwelling with hipped roof, dormer roof level to rear and single storey extension with flat roof to rear. Alteration to existing boundary walls to east. Alterations to existing front boundary including the widening of the existing vehicular access and provision of new electric gates. Proposed detached garden room to rear of property. Associated hard landscaping and all ancillary works.

32, Saint Thomas Road, Mount Merrion, Dublin, A94F973Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted25 January 2024
V/090/23

1 dwelling

32, St Thomas Road, Mount Merrion, Co.Dublin, A94F973Dun Laoghaire Rathdown County CouncilCertificate of Exemption - Part V0 reasons0 conditions0.2 km away
Granted05 December 2023
D21A/0843

Permission to extend and alter their home.

5 Roebuck Avenue, Mt. Merrion, Blackrock, Co. Dublin, A94 TA40Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted21 December 2021
D20B/0375

Retention permission for development at

35, North Avenue, Mount Merrion, Blackrock, Co DublinDun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.2 km away
Granted18 January 2021
D25A/0304/WEB

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

49, North Avenue, Mount Merrion, Blackrock, Dublin, A94A6P9Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted05 June 2025
D26A/0300/WEB

The development will consist of a two-storey over basement detached dwelling on a 0.045-hectare site. The accommodation includes (GFA. 345sqm): • Basement: home cinema, gym, games room, bathroom/ sauna and store. • Ground floor: kitchen/dining/ living, sitting room, home office, utility and boot room/guest WC. • First floor: three double ensuite bedrooms. The proposal also includes a new vehicular access from Greenfield Road, car parking, private amenity space to the rear (70sqm) and all associated site development works, including, foul and surface water drainage and landscaping.

38A Greenfield Road (to west side of 38 Balnagowan, Greenfield Road), Mount Merrion, Blackrock, A94W2R6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted11 June 2026
D25A/0842/WEB

Two-storey over basement detached dwelling on a 0.045-hectare site. The accommodation includes (GFA 341.7sqm): 1) Basement: home cinema, gym, and playroom; 2) Ground floor: living room, kitchen/dining area, sitting room, office, and utility room; 3) First floor: three double ensuite bedrooms; 4) The proposal also includes a new vehicular access from Greenfield Road, two car parking spaces, private amenity space to the rear (124sqm) and all associated site development works, including, foul and surface water drainage and landscaping.

38A Greenfield Road (to west side of 38 Balnagowan, Greenfield Road), Mount Merrion, Blackrock, Co. Dublin A94W2R6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Refused09 January 2026
V/080/25

1 dwelling

Site to the side of 38 Greenfield Road, Mount Merrion, Blackrock, Co. Dublin, A94W2R6Dun Laoghaire Rathdown County CouncilCertificate of Exemption - Part V0 reasons0 conditions0.2 km away
Granted11 November 2025
D21B/0401

Permission is sought for single storey

38 Greenfield Road, Mount Merrion, Blackrock, Co. Dublin, A94 W2R6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted21 September 2021
D24A/0674

Planning Permission is sought by Florian Maul & Karen Eustace for widening of existing vehicular entrance gate with 2no. new entrance pillars to front boundary wall of dwelling and all associated site works at No. 23 St. Thomas Road, Mount Merrion, Blackrock, Co. Dublin, A94 H778.

23, St. Thomas Road, Mount Merrion, Blackrock, Co. Dublin, A94H778Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted18 October 2024
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
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
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
D22A/0427

Permission for development shall consist of the construction of a new three storey house over basement with second floor front patio balcony, ancillary site works and new drainage systems. The subject site is located at the rear of 44a and 44b North Avenue, Mount Merrion, Co. Dublin and access is through this site by way of an existing vehicular entrance off North Avenue, Mount Merrion, Co. Dublin and a right of way over 44a and 44b North Avenue, Mount Merrion, Co. Dublin.

44C North Avenue, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Refused11 August 2022
D23B/0572

Alterations to D23B/0241. A) Extended living space to rear of dwelling with flat roof and rooflight, to eliminate previously refused terrace. B) Change of material finish of 4no. dormer windows from zinc cladding to render finish, C) Change of material finish of new stairwell to side of building, from zinc cladding to render finish and slate roof to match main dwelling. D) Alterations to existing bay window to front of dwelling and all associated site works.

37, Auburn, Saint Thomas' Road, Mount Merrion, Blackrock, Dublin, A94EN83Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted13 February 2024
D23B/0241

A) Removal of existing flat-roof dormer and 2no chimneys to side and rear of existing dwelling, and b) the construction of a two-storey extension above existing lower ground floor level. c) Alterations to existing attic-floor level including new pitched-roof dormer to side, new mansard roof with dormer windows to side and rear, and rooflights. d) raise main ridgeline of roof to match existing high point, e) change of roof material finish from tiles to slates, f) external insulation to entire dwelling, and all associated site works.

Auburn, 37 Saint Thomas Road, Mount Merrion, Blackrock, Dublin, A94EN83Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted11 July 2023
D24B/0142

Permission for alterations and additions to an existing 2 storey detached dwelling. The development will comprise the demolition of an existing single storey conservatory and utility room extension to the rear and the construction of a new 2 storey/part-single storey extension to the rear in lieu of same, the construction of a new first floor extension with velux rooflights in lieu of an existing first floor attic room with dormer window to the north gable-end of the existing dwelling. The construction of a new bay window at ground floor level to the front elevation, the conversion of the existing main attic space with new dormer window to the rear and velux rooflights to the front & side elevation, togethar with all ancillary works including connections into existing services. The proposed works will also comprise of the widening of the vehicular entrance to the front boundary of the property, and all associated ancillary site works.

6, Greygates, Stillorgan Road, Blackrock, Dublin, A94H2D5Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted23 July 2024
D21B/0272

Permission. The development consists of a single storey

8 Greygates, Mount Merrion, Blaockrock, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted27 July 2021
D23A/0620

Alterations and additions to an existing 2-storey detached dwelling at No.9 Greygates, Mount Merrion, Co. Dublin (A94 N9D5). The Development will comprise the demolition of an existing single/2- storey extension to the gable-end and rear, and the construction of a new 2-storey/part-single storey extension to the able-end and rear in lieu of same, the demolition of an existing single/2-storey extension to the rear of the original dwelling and the construction of a new single/2-storey extension to the rear, together with the conversion of the existing attic space with new Velux rooflights to the side and rear elevations, all connecting into existing services. The proposed works will also comprise the widening of the existing vehicular entrance to the front boundary of the property, together with the construction of a new bike /storage shed to the rear, and all associated ancillary site works.

9, Greygates, Mount Merrion, Co. Dublin, A94N9D5Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted23 February 2024
D24A/0008

Demolition of the existing shed at 44A North Avenue (72.8sqm) and the development of three houses on the 0.1 hectare site (GFA 684 sqm) as follows: One ground floor over basement (two double bedrooms) dwelling with green roof on the site of 44A North Avenue, private amenity space to the side of the dwelling and one car parking space. A pair of semi detached two storey plus dormer dwellings (four double bedroom and study/home office) on the site to the rear of no.38 and no.38A Greenfield Road, each with private amenity space to the rear of the dwellings and two car parking spaces per house. All associated site development works including a new access road from North Avenue parallel to the existing row, boundary fencing, foul and surface water drainage, bicycle and bin storage and associated landscaping.

Lands to the rear of 38 & 38A Greenfield road (formerly side and rear of A94W2R6) and 44A North Avenue A94V9W3, Mount Merrion, Blackrock, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted21 May 2024
D21A/0947

Permission is sought. The development will consist of:

1 The Rise, Mount Merrion, Blackrock, Co. Dublin, A94DW70Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Refused16 December 2021
D26B/0083/WEB

Alterations to existing entrance canopy roof to form new front porch extension; removal of chimney to north elevation roof; removal of existing rear kitchen extension; construction of new single storey rear extensions with pitched and flat roofs, first floor extension to north elevation to side and rear of main roof with new velux rooflights, internal alterations and all associated site works.

3, Greygates, Stillorgan Road, Blackrock, Dublin, A94T9K0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted02 April 2026
D22A/0430

Permission for development the development shall consist of the construction of a new three storey house over basement with second floor front patio balcony, ancillary site works, new drainage systems and new vehicular entrance.

44A and 44b North Avenue, Mount Merrion, Co Dublin, to the rear of 44a North Avenue, Mount Merrion, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Refused11 August 2022
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 conditions0.3 km away
Granted25 May 2026
D19A/0948

Permission is being sought for alterations and additions to an existing 2-storey detached dwelling. The proposed works will comprise the demolition of an existing single storey sunroom extension to the rear, and the construction of a new single storey dining room and single storey living room extension to the rear in lieu, the demolition of existing single storey shed structures to the southern gable-end, and the construction of a new bike store in lieu of same, together with the construction of a new single storey utility room and living room extension to the northern gable-end, and the provision of new Velux rooflights to the existing roof. The proposed works will also comprise the widening of the existing vehicular entrance gate to the front boundary, and all ancillary site works, together with connections to existing services.

2, Greygates, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted03 February 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 conditions0.3 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 conditions0.3 km away
Refused05 February 2025
D20B/0384

Permission is sought for the

48, The Rise, Mount Merrion, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted28 January 2021
D20A/0336

Permission for development consisting of new ground floor level single storey extension to rear west elevation, of existing 2 storey house, comprising new family room and extended kitchen, all associated site works, services and landscaping.

57, The Rise, Mount Merrion, Blackrock, Co. Dublin, A94 Y0X3Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted04 November 2020
D20B/0385

Permission for development consisting of

57, The Rise, Mount Merrion, Blackrock, Co Dublin, A94Y0X3Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted28 January 2021
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