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Planning records

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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 conditions0.0 km away
Granted12 March 2020
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 conditions0.0 km away
Granted04 January 2024
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
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 conditions0.1 km away
Granted17 July 2025
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 conditions0.1 km away
Granted24 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 conditions0.1 km away
Granted25 May 2026
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 conditions0.1 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 conditions0.1 km away
Refused05 February 2025
D20B/0384

Permission is sought for the

48, The Rise, Mount Merrion, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted28 January 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 conditions0.1 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 conditions0.1 km away
Granted03 December 2024
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
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 conditions0.1 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 conditions0.1 km away
Granted11 January 2022
D20B/0127

Permission for construction of a single-story

72 The Rise, Mount Merrion, Blackrock, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons10 conditions0.1 km away
Granted08 July 2020
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 conditions0.2 km away
Granted19 March 2025
D22A/0737

Planning permission is sought for the demolition of single storey conservatory and outbuildings to rear, removal of existing chimney, provision of external insulation to existing structure, construction of single storey extension to side and single/two-storey extension to rear, new garden room in rear garden, widening of existing vehicular access and all associated external works to rear and front gardens.

71 The Rise, Mount Merrion, Blackrock, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted21 November 2022
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
D20B/0385

Permission for development consisting of

57, The Rise, Mount Merrion, Blackrock, Co Dublin, A94Y0X3Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 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 conditions0.2 km away
Granted04 November 2020
D20A/0542

Permisison for development consisting of ground floor

Dunsland, Greygates, Stillorgan Road, Mount Merrion, Blackrock, Co. Dublin A94D2E1Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted23 September 2020
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 conditions0.2 km away
Granted25 May 2022
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
D15B/0032/E

Permission for proposed alterations and additions, comprising of: A. Reconstruction of the existing former garage at the side of the house and construction of a new first floor extension above it. B. Extension of the existing tiled hipped roof over the proposed new first floor extension and the use of the existing attic space and the proposed new attic space as a study/bedroom. C. Construction of two new dormer windows with tiled pitched roofs at the rear (east) of the existing and extended roof. D. Construction of a new tiled, lean-to porch roof and roof to the new ground floor level bay window to the former converted garage.

62 North Avenue, Mount Merrion, Co DublinDun Laoghaire Rathdown County CouncilExtension Of Duration Of Permission0 reasons0 conditions0.2 km away
Granted24 January 2020
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
D22A/0650

Permission for development. The development will consist of: (a) Conversion of attic space to form habitable accommodation. Works to include increase in height of side gable wall, alterations to hipped roof structure, provision of a flat roof dormer window & 1 no. rooflight to the rear elevation and 1no. roof light to the side elevation. (b) Raise level of flat roof to existing single storey side attachment, install 2 no. flat roof lights and provide pitched roof to front elevation. (c) Alterations to existing plans and elevations including remove ground floor sliding door on front elevation and replace with single door & sidelights, remove ground floor window & door to front elevation and replace with glazed double doors, provide glazed sliding door to ground floor on rear elevation and new first floor window to side elevation. (d) all associated site works to include widening of site entrance.

54, North Avenue, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted20 October 2022
D23B/0496

The demolition of 1) existing garage to side. 2) Single storey porch to front. 3) Single storey extension to rear. 4) Dormer roof to side and rear of existing attic and 5) Chimney. The construction of 1) A new single storey extension to the front extending across existing porch. 2) A 2-storey extension to the side with hipped roof and full height window to new stairwell to rear, to accomodate a playroom, utility and WC on the ground floor and study and reading area on the first floor. 3) A single storey pitched roof extension with rooflights to the rear to accomodate a kitchen/living/dining room. 4) the conversion of the attic with new flat roof dormer to the rear, extension of the existing roof to the side with changed pitch hipped roof, for a bedroom ensuite and all associated site works.

50, North Avenue, Mount Merrion, Blackrock, Dublin, A94D9K3Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted18 December 2023
D23B/0240

The demolition of 1) existing garage to side, 2) single storey porch to front 3) single storey extension to rear and 4) dormer roof to side and rear of existing attic. The construction of 1) a new 2-storey extension to the side and front with new porch overhang to the front and hipped roof and full height window to new stairwell to rear to accomadate a playroom, utility and WC on the ground floor and bedroom and study on the first floor, 2) a single storey pitched roof extension with rooflights to the rear to accomodate a kitchen/living/dining room, 3) The Conversion of the attic with new flat roof dormer to the rear, extension of the existing roof to the side with pitched roof dormer to the side for a bedroom en-suite and all associated site works.

50, North Avenue, Mount Merrion, Blackrock, Dublin, A94D9K3Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Refused11 July 2023
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
D21B/0421

Permission for development to consist of the

89 The Rise, Mount Merrion, Blackrock, Co. Dublin, A94 X4E2Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted01 October 2021
D20A/0239

Permission for development.

22, Greygates, Stillorgan Road, Blackrock, Co. Dublin, A94 N6W7Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted28 August 2020
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
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 conditions0.2 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 conditions0.2 km away
Granted07 November 2022
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
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
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
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
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 reasons9 conditions0.2 km away
Granted01 September 2020
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 conditions0.3 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 conditions0.3 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 conditions0.3 km away
Granted11 November 2025
D20B/0191

Retention of a garden shed at the rear.

43 Greenfield Road, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.3 km away
Granted21 August 2020
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
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