40 Ashton Park, Monkstown, Co. Dublin
Conversion of an integrated garage, a new rear dormer window, and retention of a single-storey rear extension.
D21B/0466 · Dun Laoghaire Rathdown County Council · Lodged 2 September 2021
- Reference
- D21B/0466
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 2 September 2021
Summary
AI-generatedPermission is sought to convert an existing integrated garage into living space and to install a rear-facing dormer window for attic storage. Retention permission is also sought for an existing single-storey extension at the rear of the house.
- Floor area
- 34 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 & retention permission as follows: permission sought for proposed conversion of an existing integrated garage into living accommodation (11.04 sq. Metres) and a proposed rear facing dormer window (2.6 sq. Metres) to existing attic storage apace and retention permission sought for retention of existing single storey extension (20.10 sq. Metres) at rear of 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 |
|---|---|---|---|
| 28 Richmond Grove, Monkstown, Dublin | Nov 2025 | €1,120,000 | 55 m |
| 22 Ashton Park, Monkstown, Co Dublin | Feb 2025 | €1,620,000 | 77 m |
| 35 Richmond Grove, Monkstown, Co Dublinnot full market price | Apr 2026 | €600,000 | 94 m |
| 11 Brook Court, Monkstown, Dublin | Oct 2025 | €906,027 | 116 m |
| 43 Ashton Park, Monkstown, Blackrock | Jan 2026 | €1,200,000 | 119 m |
| 44 Richmond Park, Monkstown, Dublin | May 2026 | €880,000 | 139 m |
| 47 Richmond Park, Richmond Hill, Monkstown | Jan 2026 | €636,500 | 144 m |
| 36 Richmond Park, Monkstown, Co Dublin | Mar 2026 | €590,000 | 166 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 September 2021
- Decision issued22 October 2021
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 being sought for a first floor extension incorporating two bedrooms to side including…
41, Ashton Park, Monkstown, Co. Dublin
D17B/0246Dún Laoghaire–RathdownLodged 19 May 2017Extension
- GrantedAt this site
Permission is being sought for ground floor extension together with new windows and doors all to rear
41, Ashton Park, Monkstown, Co. Dublin
D10B/0498Dún Laoghaire–RathdownLodged 17 Dec 2010Extension
- GrantedAt this site
The application consists of the demolition of ground floor garage and first floor bedroom to the side of the…
38, Ashton Park, Monkstown, Co. Dublin
D06A/1656Dún Laoghaire–RathdownLodged 10 May 2007Extension
- Granted30 m away
Permission for — Demolition of existing lean-to shed at rear of existing dwelling. 2.26 sqm ground floor…
37 Ashton Park, Monkstown, Co Dublin
D18B/0556Dún Laoghaire–RathdownLodged 20 Dec 2018Extension
- Granted30 m away
Permission for extensions and alterations to existing dwelling. The works include — Widening of existing…
37 Ashton Park, Monkstown, Co Dublin
D19A/0236Dún Laoghaire–RathdownLodged 8 Apr 2019Extension
- Granted40 m away
Permission is sought for the demolition of an existing single-storey side garage structure and in its place…
42b, Ashton Park, Monkstown, Co Dublin
D20A/0875Dún Laoghaire–RathdownLodged 27 Nov 2020Extension
- Invalid40 m away
Construction of new first floor extension to side and two storey projecting bay to front of the existing…
26, Ashton Park, Monkstown, Blackrock, Dublin, A94W6V2
D24A/0922/WEBDún Laoghaire–RathdownLodged 19 Nov 2024Extension
- Invalid40 m away
Construction of new first floor extension to side and two storey projecting bay to front of the existing…
26, Ashton Park, Monkstown, Blackrock, Dublin, A94W6V2
D24B/0507/WEBDún Laoghaire–RathdownLodged 22 Nov 2024Extension
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