16, Richmond Grove, Monkstown, Co. Dublin, A94VK33
Retention of a detached garden room and permission to build a rear extension connecting it to the main house.
D26A/0262 · Dun Laoghaire Rathdown County Council · Lodged 2 April 2026
- Reference
- D26A/0262
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission for Retention
- Received
- 2 April 2026
Summary
AI-generatedThe application seeks retention permission for an existing single-storey detached garden room. It also requests permission to construct a rear extension to connect this garden room to the main house.
- 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
Retention of detached single storey garden room and permission for rear extension to house to connect the garden room to the house
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 |
|---|---|---|---|
| 22 Ashton Park, Monkstown, Co Dublin | Feb 2025 | €1,620,000 | 33 m |
| 28 Richmond Grove, Monkstown, Dublin | Nov 2025 | €1,120,000 | 82 m |
| 67 Monkstown Ave, Blackrock, Dublin | Apr 2026 | €470,000 | 88 m |
| 31 Park House, Palmerston Rd, Ranelagh Dublin 6 | Mar 2025 | €360,000 | 109 m |
| 35 Richmond Grove, Monkstown, Co Dublinnot full market price | Apr 2026 | €600,000 | 110 m |
| 25 Monkstown Avenue, Monkstown, Co Dublin | May 2025 | €1,345,000 | 141 m |
| 29 Monkstown Ave, Monkstown, Dublin | Oct 2025 | €964,000 | 165 m |
| 43 Ashton Park, Monkstown, Blackrock | Jan 2026 | €1,200,000 | 186 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 received2 April 2026
- Decision due27 May 2026
- Decision issued25 May 2026
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted40 m away
Permission for a metal clad dormer in the attic space facing the rear of the house and two velux windows in…
21 Ashton Park, Monkstown, Co Dublin
D15B/0281Dún Laoghaire–RathdownLodged 9 Jul 2015Extension
- Granted40 m away
(a) retention permission for a two storey extension to the side of the existing house, and a single storey…
15, Richmond Grove, Monkstown, Co. Dublin
D08B/0515Dún Laoghaire–RathdownLodged 8 Jul 2008Extension
- Granted40 m away
Proposed part demolition, extensions to the rear and side at ground floor level to provide new utility,…
23, Ashton Park, Monkstown, Co. Dublin
D04B/0360Dún Laoghaire–RathdownLodged 11 May 2004Extension
- Granted40 m away
For retention of development of modifications to proposals as granted permission Ref. D04B/0360.…
23, Ashton Park, Monkstown, Co. Dublin
D04B/0800Dún Laoghaire–RathdownLodged 9 Nov 2004Retention
- Granted50 m away
Permission is sought for extensions and alterations to existing dwelling house to include extension at first…
17, Richmond Grove, Monkstown, Co. Dublin
D21B/0630Dún Laoghaire–RathdownLodged 17 Nov 2021Extension
- Granted50 m away
Permission is sought for conversion of his attic to storage including a dormer window to the rear, a dormer…
21, Richmond Grove, Monkstown, Co. Dublin
D17B/0398Dún Laoghaire–RathdownLodged 30 Aug 2017Extension
- Refused60 m away
The development will consist of a new two storey , two bed-room detached house of approx. 158 sq.m. to the…
70, Monkstown Avenue, Monkstown, Co. Dublin
D07A/1597Dún Laoghaire–RathdownLodged 19 Nov 2007New dwelling
- Granted60 m away
Permission is sought for a two bedroom two storey over basement, detached house of approx. 210.5 sq.m, to the…
70, Monkstown Avenue, Monkstown, Co. Dublin
D11A/0006Dún Laoghaire–RathdownLodged 6 Jan 2011New dwelling
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- InvalidRetention
Retention for existing single storey garden room, and permission for new extension link in rear garden to…
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- Awaiting decisionRetention
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