84, Foster Avenue, Mount Merrion, Blackrock, Dublin, A94TX23
Single-storey extension in Mount Merrion to include a sunroom, bedroom, home office, toilet, and gym.
D23B/0319 · Dun Laoghaire Rathdown County Council · Lodged 5 July 2023
- Reference
- D23B/0319
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 5 July 2023
Summary
AI-generatedThis application seeks permission to construct a single-storey extension to the property. The new space will accommodate a sunroom, bedroom, home office, toilet, and gym, complete with new roof windows.
- Storey
- 1
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
Single storey extension to include sunroom,bedroom, home office, w/c and gym with new roof windows.
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 |
|---|---|---|---|
| 91 Foster'S Avenue, Mount Merrion, Co Dublin | Jun 2026 | €1,495,000 | 66 m |
| 6 Owenstown Lodge, Fosters Avenue, Owenstown Park | Apr 2026 | €470,622 | 114 m |
| 13 Roebuck Hill, Mountmerrion, Dublin | Jun 2026 | €525,000 | 169 m |
| 14 Mather Rd North, Mount Merrion, Dublin | Jan 2026 | €1,845,000 | 175 m |
| 6 Roebuck Hill, Clonskeagh, Dublin 14 | Dec 2025 | €370,000 | 179 m |
| 23 The Promenade, Roebuck Hill, Fosters Ave Dublin 14 | Aug 2025 | €601,000 | 196 m |
| 22 Roebuck Hill, Roebuck Rd, Clonskeagh Dublin 14 | May 2025 | €525,000 | 196 m |
| 29 Roebuck Hill Apts, Mount Anville Rd, Dublin 14 | Nov 2025 | €605,000 | 196 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 received5 July 2023
- Decision due29 August 2023
- Decision issued21 August 2023
- Permission expiry27 September 2026
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 for development consisting of an attic conversion to include dormer style window to the rear of…
Glenfin, 82, Fosters Avenue, Mount Merrion, Co. Dublin
D13B/0269Dún Laoghaire–RathdownLodged 1 Aug 2013Extension
- Refused40 m away
Permission is sought for demolition of single-storey outbuildings to side, and for development consisting of…
38, Mather Road North, Mount Merrion, Co. Dublin
D13B/0203Dún Laoghaire–RathdownLodged 6 Jun 2013Extension
- Granted40 m away
Permission for demolition of single-storey out-buildings to side and for development consisting of two-storey…
38, Mather Road North, Mount Merrion, Co. Dublin
D13A/0489Dún Laoghaire–RathdownLodged 20 Sept 2013Extension
- Refused40 m away
Planning permission is sought to demolish the existing garage, replace it with a two storey extension to the…
78, Foster's Avenue, Mount Merrion, Co. Dublin
D11A/0480Dún Laoghaire–RathdownLodged 26 Oct 2011Extension
- Granted40 m away
A) demolition of existing single storey (converted) garage to side; b) construction of single storey…
78, Fosters Avenue, Mount Merrion, Dublin, A94EN26
D23B/0533Dún Laoghaire–RathdownLodged 20 Nov 2023Extension
- Granted40 m away
Permission is sought for single storey ground floor extensions to the front and rear consisting of — A 29…
4, Callary Road, Mount Merrion, Blackrock, Co. Dublin
D11B/0265Dún Laoghaire–RathdownLodged 4 Aug 2011Extension
- Granted50 m away
Permission to extend the existing property on the site. The proposed development will consist of internal…
36, Mather Road North, Mount Merrion, Blackrock, County Dublin
D20A/0569Dún Laoghaire–RathdownLodged 4 Dec 2020Extension
- Granted50 m away
Ground floor extension (26.7m2) and an attic conversion with dormer and rooflight (27.3 m2) to the rear.…
2 Callary Road, Mount Merrion, Co. Dublin.
D02B/0057Dún Laoghaire–RathdownLodged 8 Feb 2002Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedExtension
Single storey extension to front, side and rear incorporating sunroom, utility room and study
65, Woodfield, Scholarstown Road, Rathfarnham, Dublin 16.
SD06B/0521South DublinLodged 10 Jul 2006
- GrantedExtension
Single storey extensions consisting of entrance porch. sun room and gym
Fernsea, Ferndale Road, Rathmichael, Co. Dublin
D03B/0547Dún Laoghaire–RathdownLodged 21 Jul 2003
- GrantedExtension
Single storey sunroom extension to the rear and side attached single storey extension for utility room and…
5 Riversdale Green, Clondalkin, Dublin 22, D22 RW02
SD26B/0246WSouth DublinLodged 1 May 2026
- GrantedExtension
Single storey sun room extension to rear of house, also first floor bedroom extension over existing extended…
15, Mount Eagle View, Leopardstown Heights, Dublin 18
D05B/0057Dún Laoghaire–RathdownLodged 2 Feb 2005
- GrantedExtension
Single storey extensions comprising utility area, living area and sunroom at rear
26 Rossmore Crescent, Dublin 12.
S99B/0313South DublinLodged 17 May 1999
- GrantedExtension
Single storey extension to the rear and side containing a sunroom, new kitchen, utility and toilet and to…
53 Cannonbrook Park, Lucan, Co. Dublin.
SD02B/0276South DublinLodged 27 Jun 2002
Community
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