65 Trees Road Upper, Mount Merrion, Co Dublin
A 107 sq.m extension including a two-storey side extension, garage conversion, rear extension, and attic conversion with a dormer.
D15A/0010 · Dun Laoghaire Rathdown County Council · Lodged 14 January 2015
- Reference
- D15A/0010
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 14 January 2015
Summary
AI-generatedThe development adds 107 sq.m of floor area to a semi-detached house. It includes a two-storey side extension with a garage conversion, a single-storey rear extension, an attic conversion with a rear dormer window, and a widened driveway gateway.
- Storeys
- 3
- Floor area
- 107 m²
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 for works to existing two storey semi-detached house, comprising 107 sqm additional floor area to include two storey extension to side of house incorporating garage conversion, extended hipped roof over with roof light on hipped end, single storey pitched roof extension incorporating roof lights to rear, attic conversion with dormer to rear, widened gateway and associated site works.
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.
Built — construction complete
A commencement notice records works starting on 27 July 2015.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 71 Trees Road, Mount Merrion, Co Dublin | Aug 2025 | €1,480,000 | 33 m |
| 35 Cedarmount Rd, Mount Merrion, Blackrock | Mar 2026 | €880,000 | 45 m |
| 21 Cedarmount Rd, Mount Merrion, Dublin | Nov 2025 | €910,000 | 83 m |
| 49 Cedarmount Rd, Mount Merrion, Blackrock | Aug 2025 | €830,000 | 98 m |
| 52 Cedarmount Road, Mount Merrion, Co Dublin | Nov 2025 | €1,000,000 | 106 m |
| 64 South Ave, Mount Merrion, Dublin | Mar 2026 | €1,390,000 | 135 m |
| 66 South Ave, Mount Merrion, Dublin | Feb 2025 | €1,255,000 | 145 m |
| 33 Clonmore Rd, Mount Merrion, Dublin | Apr 2026 | €1,425,000 | 168 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 received14 January 2015
- Decision issued9 March 2015
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Part granted, part refusedAt this site
Permission for development to existing two storey semi detached house, consisting of 120 sqm additional floor…
65, Trees Road Upper, Mount Merrion, Co. Dublin
D14A/0018Dún Laoghaire–RathdownLodged 17 Jan 2014Extension
- GrantedAt this site
Permission for the replacement of the existing garage to side with a new 2 storey extension of 40.50 sqm,…
63 Trees Road Upper, Mount Merrion, C. Dublin
D14B/0293Dún Laoghaire–RathdownLodged 14 Aug 2014Extension
- GrantedAt this site
Permission is sought for the extension. The proposed development will include the extension of the existing…
67 Trees Rd Upper, Mount Merrion, Blackrock, Co. Dublin A94 E9W
D20A/0434Dún Laoghaire–RathdownLodged 24 Sept 2020Extension
- RefusedAt this site
Demolition of the existing single storey extension to the rear of the existing house and provision of a part…
61, Trees Road Upper, Mount Merrion, Co. Dublin
D07A/1478Dún Laoghaire–RathdownLodged 23 Oct 2007Extension
- GrantedAt this site
Planning permission is sought for the partial demolition of the existing single storey rear extension, the…
61, Trees Road Upper, Mount Merrion, Co. Dublin
D09B/0260Dún Laoghaire–RathdownLodged 17 Sept 2009Extension
- InvalidAt this site
Permission is sought for retention of 5.4m2 canopy to rear. Retention is also applied for the removal of the…
69, Trees Road Upper, Mount Merrion, Co. Dublin
D11A/0563Dún Laoghaire–RathdownLodged 8 Dec 2011Retention
- GrantedAt this site
Permission is sought for the demolition of an existing extension, the building of a new extension and the…
69, Trees Road Upper, Mount Merrion, Co Dublin
D10B/0440Dún Laoghaire–RathdownLodged 28 Oct 2010Extension
- GrantedAt this site
Permission for retention of 5.4m2 canopy to the rear of No — Retention is also applied for the removal of the…
69, Trees Road Upper, Mount Merrion, Co. Dublin
D12A/0030Dún Laoghaire–RathdownLodged 1 Feb 2012Retention
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
Permission for development to existing two storey semi detached house, consisting of 120 sqm additional floor…
65, Trees Road Upper, Mount Merrion, Co. Dublin
D14A/0018Dún Laoghaire–RathdownLodged 17 Jan 2014
- GrantedExtension
Permission for a domestic extension and alterations to existing semi-detached dwelling, comprised of single…
2 Taney Drive, Dundrum, Dublin 14
D15A/0835Dún Laoghaire–RathdownLodged 18 Dec 2015
- GrantedExtension
Permission for the erection of single storey extension to the rear; conversion of a garage, first floor…
14 Auburn Avenue, Dún Laoghaire, Co Dublin
D15A/0345Dún Laoghaire–RathdownLodged 21 May 2015
- GrantedExtension
Permission is sought for a two-storey extension to front, part single storey, part two storey extensions to…
9, South Avenue, Mount Merrion, County Dublin, A94W9W2
D21A/0636Dún Laoghaire–RathdownLodged 22 Sept 2021
- GrantedExtension
Permission for alteration and extension of the existing two storey semi-detached house, comprising of…
59 Woodley Park, Kilmacud, Dublin D14 RF74
D19B/0171Dún Laoghaire–RathdownLodged 2 Apr 2019
- Awaiting decisionExtension
Permission for relocated 3.5m wide vehicular gateway and parking area in front garden of semi-detached single…
64, Westbrook Road, Dundrum, Dublin 14, D14HH56
D21A/0548/EDún Laoghaire–RathdownLodged 18 Jun 2026
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