35 Monkstown Avenue, Monkstown, Co. Dublin, A94H9C3
A two-storey side extension to an existing house to add bedroom space.
D25B/0303 · Dun Laoghaire Rathdown County Council · Lodged 30 May 2025
- Reference
- D25B/0303
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 30 May 2025
Summary
AI-generatedThe project involves building a two-storey extension on the north-east side of the dwelling. It will utilise the existing attic space and feature dormer-style windows and a featured window on the front facade.
- Storeys
- 2
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
Proposed two storey extension to the side (north-east) of existing dwelling to allow for additional bedroom accommodation. The proposed extension will utilise the existing attic space and use dormer style windows and a featured window to the front of proposed extension, and all 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.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 38 Monkstown Ave, Blackrock, Dublin | Aug 2025 | €1,212,500 | 23 m |
| 25 Laurel Bank, Lanesville, Monkstown | Aug 2025 | €475,000 | 98 m |
| 18 Lanesville, Glenageary, Dublin | May 2026 | €690,000 | 98 m |
| 76 Windsor Dr, Monkstown, Dublin | Feb 2025 | €870,000 | 101 m |
| 22 Laurel Bank, Lanesville, Monkstown | Oct 2025 | €326,000 | 102 m |
| 20 Laurel Bank, Lanesville, Dublin | Nov 2025 | €504,000 | 106 m |
| 29 Monkstown Ave, Monkstown, Dublin | Oct 2025 | €964,000 | 119 m |
| 71 Windsor Dr, Blackrock, Dublin | Dec 2025 | €880,000 | 119 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 received30 May 2025
- Decision due24 July 2025
- Decision issued23 July 2025
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
Planning permission is sought for the construction of a single storey front porch at the existing dwelling…
Belgrave Villa, 35 Monkstown Avenue, Monkstown, Co. Dublin.
D17B/0363Dún Laoghaire–RathdownLodged 3 Aug 2017Extension
- GrantedAt this site
Permission is sought for development which will consist of a single storey extension to the rear of the…
Belgrave Cottage, 26, Lanesville, Monkstown, Co. Dublin
D12B/0215Dún Laoghaire–RathdownLodged 28 Jun 2012Extension
- GrantedAt this site
Retention Permission is sought to retain the partially completed 9m2 of additional single storey extension…
26, Belgrave Cottage, Lanesville, Dun Laoghaire, Dublin, A96VK25
D24B/0466/WEBDún Laoghaire–RathdownLodged 5 Nov 2024Retention
- Granted50 m away
Permission is sought for proposed revision to previously approved plans to extend existing two storey dormer…
1a, Lanesville, Monkstown, Co. Dublin.
D07A/0587Dún Laoghaire–RathdownLodged 3 May 2007New dwelling
- Granted50 m away
The proposed works include a ground floor window to the front elevation, serving the entrance hall area and…
1B, Lanesville, Monkstown, Dun Laoghaire, Dublin, A96RR82
D25B/0627/WEBDún Laoghaire–RathdownLodged 7 Nov 2025Alterations
- Granted50 m away
For single storey extension to side and two storey extension to rear with new vehicular entrance off…
Fairfield Lodge, 39, Monkstown Avenue, Monkstown, Co. Dublin
D06A/0352Dún Laoghaire–RathdownLodged 17 May 2006Extension
- Granted50 m away
Alterations and extensions to existing two storey dormer family dwelling, including demolition of existing…
1a, Lanesville, Monkstown, Co. Dublin.
D06B/0530Dún Laoghaire–RathdownLodged 14 Jun 2006Extension
- Granted60 m away
Planning permission to rebuild a demolished section of the front boundary wall; the blocking up of existing…
Laurel Cottage, Lanesville, Dun Laoghaire, Co. Dublin
D06A/1664Dún Laoghaire–RathdownLodged 17 Nov 2006Alterations
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
Two storey extension to rear of existing dwelling, conversion of existing attic space to non-habitable room…
121, Larkhill Road, Whitehall, Dublin 9 D09 EK71
WEB1857/20Dublin CityLodged 25 Nov 2020
- Awaiting decisionExtension
Construction of side and front 2 storey extension to existing dwelling, with new dormer window, change of use…
32 Woodford Way, Clondalkin, Dublin 22, D22 FK02
SD26B/0321WSouth DublinLodged 30 Jun 2026
- GrantedExtension
Two storey extension to side and rear of existing dwelling, 2 no. dormer windows to attic storage space,…
An Greinne , Kilmessan , Co. Meath
RA190519MeathLodged 30 Apr 2019
- InvalidExtension
Construction of a part single, part two storey extension to the front and a single storey extension to the…
1A, Orchard Mews, Brookfield Avenue, Blackrock, Dublin, A94T6Y7
D24B/0441Dún Laoghaire–RathdownLodged 17 Oct 2024
- Awaiting decisionExtension
The construction of an extension to the side of the existing dwelling, two storey at the front and single…
Brookfield , Coolbawn , Co. Tipperary.
2260010TipperaryLodged 14 Jan 2022
- GrantedExtension
An extension to the side of the existing dwelling, two storey at the front and single storey to the rear,…
Brookfield , Coolbawn , Co. Tipperary.
2260022TipperaryLodged 23 Jan 2022
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