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Planning records

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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 conditions0.0 km away
Granted26 August 2024
D20B/0260

Permission for a two storey extension

23 Greygates, Stillorgan Road, Blackrock, Co. Dublin A94X3Y4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 km away
Granted27 October 2020
D21A/0799

Permission is sought for the extension

26 Greygates, Mount Merrion, County Dublin, A94 P3X4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.0 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 conditions0.0 km away
Granted27 April 2021
D20A/0239

Permission for development.

22, Greygates, Stillorgan Road, Blackrock, Co. Dublin, A94 N6W7Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.1 km away
Granted28 August 2020
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
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
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
D21B/0533

Permission is sought to replace the existing

6 South Hill Park, Blackrock, County Dublin, A94EH10Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted19 November 2021
D26B/0196/WEB

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

18, Greenfield Road, Mount Merrion, Dublin, A94A0W7Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted25 May 2026
D23A/0696

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

9, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94Y9Y0Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted04 January 2024
D22A/0205

Permission is sought for widening

3, South Hill Park, Booterstown, A94V568Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted16 May 2022
D20A/0680

Permission is sought for removal of

The Coach House, Mount Merrion Avenue, Blackrock, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted19 February 2021
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
D20A/0041

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

18 Sycamore Crescent, Mount Merrion, Co. DublinDun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.2 km away
Granted12 March 2020
D22B/0271

Permission is sought for the demolition of an existing single-storey side extension; Construction of a new two-storey side extension; Extension of the existing main roof; General alterations & refurbishment of the existing house; Relocation of an existing shed and associated site & drainage works.

1, South Hill Park, Booterstown, Blackrock, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted18 July 2022
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
D25B/0375/WEB

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

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

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

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

Permission is sought for the

48, The Rise, Mount Merrion, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted28 January 2021
D23B/0128

Retention planning permission for 1) Changes to roof pitch including a south-west facing fan-light to rear ground floor extension. 2) Changing of position of rear dormer window on rearpitch. 3) Removal of 1 no. roof-light to front pitch. 4) 1 enlarged ground floor window and 1 new ground floor window to side elevation and 5) No changes to front door area and 6) All associated site works.

30, Merrion Park, Blackrock, Dublin, A94Y670Dun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.2 km away
Granted16 May 2023
D20A/0730

Permission is sought for a

30, Merrion Park, Blackrock, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted06 January 2021
D20A/0543

Permission is sought for development. The development will consist of the construction of a single storey extension to the rear of the existing property in conjunction with the construction of a dormer structure to the existing rear roof pitch with the installation of a new velux roof light to the front roof pitch.

66 Merrion Park, Merrion, Blackrock, Co. Dublin, A94 D854Dun Laoghaire Rathdown County CouncilPermission0 reasons5 conditions0.2 km away
Granted23 September 2020
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
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 conditions0.2 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 conditions0.2 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 conditions0.2 km away
Granted11 January 2022
D24B/0257/WEB

The development will consist of the addition of a dormer structure to the rear of the property to provide 14.5sqm of new attic storage space; the addition of a new Velux roof-light to the front slope of the existing pitched roof; all associated site and landscaping works; retention of a previously installed roof light on the mono pitched roof on the side elevation (east façade).

65, Merrion Park, Blackrock, Dublin, A94X279Dun Laoghaire Rathdown County CouncilPermission for Retention0 reasons0 conditions0.2 km away
Granted22 July 2024
D21A/0116

Permission sought for the alteration

Merrion House, Mount Merrion Avenue, Blackrock, Co DublinDun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.2 km away
Granted31 March 2021
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
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 conditions0.3 km away
Granted24 August 2022
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 conditions0.3 km away
Granted01 December 2022
D20A/0542

Permisison for development consisting of ground floor

Dunsland, Greygates, Stillorgan Road, Mount Merrion, Blackrock, Co. Dublin A94D2E1Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted23 September 2020
D22B/0345

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

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

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

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

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

The Rectory, 131 Mount Merrion Avenue, Blackrock, Co. Dublin A94 W2P6Dun Laoghaire Rathdown County CouncilPermission0 reasons7 conditions0.3 km away
Granted15 June 2022
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 conditions0.3 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 conditions0.3 km away
Refused27 October 2020
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 conditions0.3 km away
Granted23 July 2024
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 conditions0.3 km away
Granted19 March 2025
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 conditions0.3 km away
Granted17 July 2025
D25B/0576/WEB

1) Demolition of the existing greenhouse; 2) Construction of a single-storey, pitched-roof extension to the rear of the existing dwelling to accommodate a family member flat; 3) Internal and elevational alterations to the rear of the existing dwelling; 4) Landscaping, drainage, and all associated site works.

134 Mount Merrion Avenue, Blackrock, Co. Dublin, A94F2Y6Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted02 December 2025
D21B/0443

Permission for conversion of attic space to non-habitable

35 Merrion Park, Booterstown, Blackrock, Co. Dublin, A94D2X2Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted08 October 2021
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 conditions0.3 km away
Granted25 May 2022
D26B/0176/WEB

The development will consist of construction of a ground floor extension and dormer attic conversion to the rear of the existing two storey terraced house. The ground floor extension will house an extended kitchen and dining area, and will incorporate a new snug living area. The dormer attic conversion will provide additional non-habitable space. The proposal includes for localised alterations to existing landscaping, foul drainage connections, surface water drainage connections, and ancillary site works.

3, Merrion Park, Blackrock, Co. Dublin, A94FR66Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted18 May 2026
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
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
D23A/0784/WEB

The proposed development will consist of: Replacement of the flat roof to the existing two storey side / part rear extension with a new hipped roof to match the existing / original roof; Demolition of 1 no. chimney to the rear / east main roof; Alteration of the first floor window to the front of the side extension; Alterations to window and door openings at ground and first floors on the north east (side) and south east (rear) elevations; Replacement of the existing lean-to roof / canopy over the side passage; Replacement / alteration of rear first floor roof terrace balustrading to meet current building regulation standards; Part demolition and alteration of the existing single storey sun room and utility room to the rear including the reduction of the south west first floor roof terrace in size; Construction of a new single storey extension to the rear; Widening of the existing vehicular entrance onto Mount Merrion Avenue to 3.5m and associated alterations to the front boundary wall to provide a splayed setback; All associated demolitions, internal alterations, site, drainage, landscaping and ancillary works.

132, Melmore, Mount Merrion Avenue, Blackrock, Dublin, A94X9X4Dun Laoghaire Rathdown County CouncilPermission0 reasons0 conditions0.3 km away
Granted12 February 2024
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