100, Windsor Drive, Monkstown, Blackrock, Dublin, A94R5D6
First-floor extension over an existing garage and an attic conversion in Monkstown.
D25B/0112/WEB · Dun Laoghaire Rathdown County Council · Lodged 3 March 2025
- Reference
- D25B/0112/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 3 March 2025
Summary
AI-generatedThe project consists of constructing a first-floor extension directly over the existing garage. It also includes an attic conversion incorporating a dormer window to the rear of the property.
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
A first-floor extension over the existing garage along with an attic conversion incorporating a dormer window to the rear, 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.
Built — construction complete
A commencement notice records works starting on 7 July 2025.
Notified floor area: 169 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 76 Windsor Dr, Monkstown, Dublin | Feb 2025 | €870,000 | 44 m |
| 71 Windsor Dr, Blackrock, Dublin | Dec 2025 | €880,000 | 52 m |
| 43 Ashton Park, Monkstown, Blackrock | Jan 2026 | €1,200,000 | 81 m |
| 25 Windsor Park, Monkstown, Dublin | Oct 2025 | €845,000 | 84 m |
| 11 Brook Court, Monkstown, Dublin | Oct 2025 | €906,027 | 113 m |
| 38 Monkstown Ave, Blackrock, Dublin | Aug 2025 | €1,212,500 | 137 m |
| 21 Windsor Court, Stradbrook Rd, Blackrock | Mar 2026 | €555,000 | 169 m |
| 28 Windsor Court, Stradbrook Road, Blackrock | Apr 2025 | €665,000 | 176 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 received3 March 2025
- Decision due25 April 2025
- Decision issued22 April 2025
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- InvalidAt this site
A first-floor extension over the existing garage along with an attic conversion incorporating a dormer window…
100, Windsor Drive, Monkstown, Blackrock, Dublin, A94R5D6
D25B/0089/WEBDún Laoghaire–RathdownLodged 20 Feb 2025Extension
- Granted30 m away
Demolition of chimney, construction of two bedrooms over garage with new roof and a velux windows to gable…
81, Windsor Drive, Monkstown, Dun Laoghaire, Co. Dublin
D06B/0412Dún Laoghaire–RathdownLodged 11 May 2006Extension
- Granted30 m away
Permission for alterations to the front garden, including the widening of the entrance and the resurfacing of…
81, Windsor Drive, Monkstown, Co. Dublin
D14A/0199Dún Laoghaire–RathdownLodged 10 Apr 2014Retention
- Granted30 m away
Permission sought to convert garage to living accommodation with first floor extension over, for ground floor…
82, Windsor Drive, Monkstown, Co. Dublin
D17B/0391Dún Laoghaire–RathdownLodged 24 Aug 2017Extension
- Granted40 m away
Permission for a 16.2 sqm ground floor extension to the rear of house and 15.6 sqm first floor extension to…
73 Windsor Drive, Monkstown, Co Dublin
D18B/0098Dún Laoghaire–RathdownLodged 7 Mar 2018Extension
- Granted40 m away
Permission for proposed alterations, consisting of the demolition of existing garage to side and garage…
73, Windsor Drive, Monkstown, Co. Dublin
D14B/0287Dún Laoghaire–RathdownLodged 8 Aug 2014Extension
- Granted40 m away
Permission for alterations consisting of increasing the width of the existing vehicular access and associated…
73 Windsor Drive, Monkstown, Co Dublin
D15A/0440Dún Laoghaire–RathdownLodged 7 Jul 2015Alterations
- Granted40 m away
Permission for an alteration to the permitted planning permission (Registration Reference D14B/0287),…
73 Windsor Drive, Monkstown, Co Dublin
D15B/0273Dún Laoghaire–RathdownLodged 7 Jul 2015Alterations
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- InvalidExtension
A first-floor extension over the existing garage along with an attic conversion incorporating a dormer window…
100, Windsor Drive, Monkstown, Blackrock, Dublin, A94R5D6
D25B/0089/WEBDún Laoghaire–RathdownLodged 20 Feb 2025
- GrantedExtension
New first floor extension over existing garage conversion with new hipped roof, the conversion of attic space…
40, Templeville Drive, Dublin 6w
SD16B/0269South DublinLodged 11 Aug 2016
- GrantedExtension
First floor extension over existing garage and dormer style window to rear roof attic space and all…
32, St. Patrick's Park, Clondalkin, Dublin 22
SD10B/0153South DublinLodged 19 Apr 2010
- InvalidExtension
The conversion of the existing garage, along with a first floor extension over. The construction of a new…
5, Clare Road, Drumcondra, Dublin 9 D09 R278
WEB1142/23Dublin CityLodged 23 Feb 2023
- GrantedExtension
First floor extension over existing garage & kitchen area to side, conversion of attic space to bedroom with…
35, St Patricks Park, Clondalkin, Dublin 22
SD08B/0449South DublinLodged 20 Jun 2008
- InvalidExtension
The construction of first floor extension over garage to the side of existing house and conversion of attic…
14, Maywood Lawn, Raheny, Dublin 5
WEB2357/24Dublin CityLodged 23 Oct 2024
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