48, The Rise, Mount Merrion, Blackrock, Dublin, A94A3Y6
Replacement of a pitched roof with a zinc-clad barrel roof to accommodate an attic room.
D25B/0375/WEB · Dun Laoghaire Rathdown County Council · Lodged 4 July 2025
- Reference
- D25B/0375/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 4 July 2025
Summary
AI-generatedThe development involves removing the existing pitched roof on a first-floor rear extension and replacing it with a zinc-clad barrel roof to accommodate an attic room. It also includes raising external walls to form a parapet and relocating a first-floor side window for a new staircase.
Generated from the description above by an AI model and may contain mistakes. The council’s description is the authoritative record.
Official record
Development description
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).
Land-use zoning
What this land is zoned for
“A To provide residential development and improve residential amenity while protecting the existing residential amenities”
Objective set by the COUNTY DEVELOPMENT PLAN 2022-2028 (2022–2028). The planning authority decides each application on its own merits — this is the zoning context, not a compliance assessment.
Read the zoning objectives in the development planBuilt & sold
What happened next
Beyond the decision: whether this development was built, and what property here has sold for.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 18 Greenfield Road, Mount Merrion, Blackrock | Oct 2025 | €1,350,000 | 61 m |
| 49 The Rise, Mount Merrion, Blackrock | Sept 2025 | €1,305,000 | 81 m |
| Seven Churches, Glendalough, Co Wicklow | Sept 2025 | €351,000 | 152 m |
| 45 Greenfield Rd, Mount Merrion, Dublin | Nov 2025 | €1,390,000 | 174 m |
| 57 Wilson Road, Mount Merrion, Blackrockprice excludes VAT | Nov 2025 | €1,563,880 | 196 m |
| 58 Wilson Road, Mount Merrion, Blackrockprice excludes VAT | Mar 2026 | €1,550,660 | 248 m |
| St Anthonys, 19 Greygates, Stillorgan Rd | Oct 2025 | €1,650,000 | 250 m |
| 56 Wilson Road, Mount Merrion, Blackrockprice excludes VAT | Apr 2026 | €1,475,771 | 260 m |
Nearby properties, not this site — a guide to local values.
Sources: Building Control Management System (commencement notices) and the Residential Property Price Register, licensed under CC BY 4.0. Records are matched to this application by location and may not be exhaustive; always confirm against the official source before relying on them.
Key dates
Timeline
- Application received4 July 2025
- Decision due28 August 2025
- Decision issued22 August 2025
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- GrantedAt this site
Permission is sought for the construction of (first floor) dormer extension/window to the front of existing…
48, The Rise, Mount Merrion, Co Dublin
D20B/0384Dún Laoghaire–RathdownLodged 30 Nov 2020Extension
- RefusedAt this site
Altering/raising pitched roof, to existing first floor extension to the rear of the existing house, building…
48, The Rise, Mount Merrion, Blackrock, Co. Dublin, A94A3Y6
D24B/0523/WEBDún Laoghaire–RathdownLodged 4 Dec 2024Extension
- GrantedAt this site
Permission is sought for, (a) construction of part single and part two storey extension to rear; (b)…
48, The Rise, Mount Merrion, Co. Dublin
D12A/0404Dún Laoghaire–RathdownLodged 12 Oct 2012Extension
- Granted30 m away
Outline permission sought for a two-storey 4 bedroom house at rear of No. 28 Greenfield Road, with new…
28, Greenfield Road, with access from The Rise, Mount Merrion, Co. Dublin
D06A/0195Dún Laoghaire–RathdownLodged 15 Feb 2006New dwelling
- Granted40 m away
Permission is sought for alterations and additions to an existing 2-storey- semi-detached dwelling. The…
54, The Rise, Mount Merrion, Co. Dublin
D22A/0470Dún Laoghaire–RathdownLodged 1 Jul 2022Extension
- Granted40 m away
Permission for development consisting of the following works: Conversion of existing garage for use as part…
'Vanleigh', 20, Greenfield Road, Mount Merrion, Co Dublin
D13B/0069Dún Laoghaire–RathdownLodged 26 Feb 2013Extension
- Granted40 m away
Permission for change to existing planning grant Ref. D15A/0127 consisting of additional footprint to rear…
26 Greenfield Road, Mount Merrion, Co Dublin
D15A/0539Dún Laoghaire–RathdownLodged 26 Aug 2015Alterations
- Granted40 m away
Permission for demolition of existing garage/stores; construction of 2-storey extension to side; part-single…
26 Greenfield Road, Mount Merrion, Co Dublin
D15A/0127Dún Laoghaire–RathdownLodged 26 Feb 2015Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- RefusedExtension
Altering/raising pitched roof, to existing first floor extension to the rear of the existing house, building…
48, The Rise, Mount Merrion, Blackrock, Co. Dublin, A94A3Y6
D24B/0523/WEBDún Laoghaire–RathdownLodged 4 Dec 2024
- GrantedExtension
Removal of existing roof structure and to provide a new roof structure incorporating converted attic at first…
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D08A/0206Dún Laoghaire–RathdownLodged 21 Feb 2008
- GrantedExtension
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19, Forest Drive, Kingswood, Dublin 24
SD16B/0080South DublinLodged 18 Mar 2016
- GrantedExtension
For the demolition of existing attic structure, new first floor dormer type structure over full area of rear…
21, Rutland Cottages, Mountjoy, Dublin 1, D01 Y2C7
WEB2410/24Dublin CityLodged 31 Oct 2024
- InvalidExtension
Planning permission is sought for the demolition of existing attic structure, new first floor dormer type…
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WEB2379/24Dublin CityLodged 25 Oct 2024
- GrantedExtension
(A) new first floor extension over existing ground floor extension to side of dwelling, b) alterations to…
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WEB1924/25Dublin CityLodged 27 Apr 2025
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