5, Trees Road, Mount Merrion, Blackrock, Co. Dublin
Ground and first-floor extensions, partial demolition, attic dormers, and a new front entrance with a sliding gate.
D15A/0488 · Dun Laoghaire Rathdown County Council · Lodged 31 July 2015
- Reference
- D15A/0488
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 31 July 2015
Summary
AI-generatedThe development comprises ground and first-floor rear extensions, partial demolition of an existing rear extension, a flat-roofed rear dormer, and a pitched-roof side dormer. It also proposes internal alterations, replacement windows, a front open porch, and a new front entrance with a sliding gate.
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
Permission is sought for development comprising extensions at rear, ground floor level and first floor level, partial demolition of existing rear extension, flat roofed dormer at rear attic level, pitched roof dormer at side attic level, new windows and glazing to rear and side ground floor and first floor, open porch to front, new entrance and sliding gate to front. Internal alterations on all floor levels together with replacement of existing windows is also proposed.
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 |
|---|---|---|---|
| 29 Sycamore Road, Mount Merrion, Co Dublin | Sept 2025 | €1,785,000 | 162 m |
| 4 Dualla Court, Stillorgan Rd, Stillorgan | Jan 2025 | €485,000 | 231 m |
| 117 The Rise, Mount Merrion, Dublin | Mar 2025 | €1,701,001 | 237 m |
| 30 Treesdale, Stillorgan Rd, Stillorgan | Oct 2025 | €985,000 | 244 m |
| 1b Priory Drive, Stillorgan, Co Dublinnot full market price | May 2026 | €173,359 | 252 m |
| 3a The Willows, Priory, Stillorgan | May 2026 | €995,000 | 266 m |
| 16a Woodlands Park, Blackrock, Dublin | Nov 2025 | €1,250,000 | 273 m |
| Apt 6, Fortwilliam, Mount Merrion Ave | Jun 2025 | €460,000 | 279 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 received31 July 2015
- Decision issued24 September 2015
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
Demolition of existing single storey extension to rear, construction of new single storey extension to rear,…
5, Trees Road Lower, Mount Merrion, Blackrock, Dublin, A94XP97
D23B/0349Dún Laoghaire–RathdownLodged 25 Jul 2023Extension
- GrantedAt this site
Permission is sought for construction of two storey extension with converted attic (extending the existing…
7, Trees Road, Mount Merrion, Blackrock, Co. Dublin
D10A/0370Dún Laoghaire–RathdownLodged 4 Feb 2011Extension
- GrantedAt this site
Permission for a two storey extension to the front and a single and two storey extension to the rear (total…
7 Trees Road Lower, Mount Merrion, Co Dublin A94 D6X2
D19B/0135Dún Laoghaire–RathdownLodged 14 Mar 2019Extension
- RefusedAt this site
Permission for retention of sash windows to front elevation
3 Trees Road, Mount Merrion, Co Dublin
D14B/0342Dún Laoghaire–RathdownLodged 13 Oct 2014Retention
- GrantedAt this site
Permission for construction of two storey extension to the side/rear; a single storey extension to the rear…
3, Trees Road, Mount Merrion, Co. Dublin
D13A/0626Dún Laoghaire–RathdownLodged 26 Nov 2013Extension
- GrantedAt this site
Permission for construction of a single storey extension with flat roof and roof light to the rear of…
3 Trees Road, Mount Merrion, Co Dublin A94 X9Y0
D19B/0286Dún Laoghaire–RathdownLodged 10 Jun 2019Extension
- GrantedAt this site
Construction of a two storey extension to the side/front and a single storey extension to the rear, with…
1, Trees Road Lower, Mount Merrion, Co. Dublin
D07B/0051Dún Laoghaire–RathdownLodged 22 Jan 2007Extension
- Refused30 m away
Construction of a two storey extension to the side/ front and a single storey extension to the rear, with…
1, Trees Road, Mount Merrion, Co. Dublin
D06B/0752Dún Laoghaire–RathdownLodged 17 Aug 2006Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- Part granted, part refusedExtension
Planning permission sought for development comprising (a) removal of existing ground floor extension to rear…
35, Ardagh Drive, Newtown Park Avenue, Blackrock, Dublin
D06B/1053Dún Laoghaire–RathdownLodged 4 Dec 2006
- GrantedExtension
Permission sought for extensions and alterations to the house comprising a ground floor extension to the…
12, Brighton Court, Foxrock, Dublin 18
D07B/0086Dún Laoghaire–RathdownLodged 30 Jan 2007
- GrantedExtension
Permission is sought for development consisting of single storey extensions to front, rear and west side, two…
Ard Aluinn, Saval Park Road, Dalkey, Co Dublin
D06A/1979Dún Laoghaire–RathdownLodged 22 Dec 2006
- GrantedExtension
Permission is sought for — New ground floor extension side/rear
44, St Helen's Road, Mount Merrion, Blackrock, Co Dublin, A94P865
D20A/1005Dún Laoghaire–RathdownLodged 15 Apr 2021
- GrantedExtension
Permission for development consisting of the demolition of existing single storey extensions to the side and…
33, South Avenue, Mount Merrion, Co Dublin
D13A/0168Dún Laoghaire–RathdownLodged 11 Apr 2013
- GrantedExtension
Permission for the demolition of the existing single storey extensions to the side: the construction of a…
8, Maretimo Gardens East, Blackrock, Co. Dublin
D10A/0102Dún Laoghaire–RathdownLodged 25 Feb 2010
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