20, Monkstown Road, Monkstown, Co. Dublin, A94 A242
Construction of a single-storey flat roof rear extension and internal modifications.
D25B/0418/WEB · Dun Laoghaire Rathdown County Council · Lodged 24 July 2025
- Reference
- D25B/0418/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 24 July 2025
Summary
AI-generatedThe development consists of a single-storey, flat-roofed extension to the rear of the existing property. Works will include internal modifications, opening up works, and the removal of a chimney at the rear.
- 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
Proposed single story, flat roof extension to rear of existing property. Internal modifications and opening up works to include removal of a chimney at the rear along with 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 |
|---|---|---|---|
| 3 Monkstown Road, Monkstown, Co Dublin | Dec 2025 | €1,360,000 | 50 m |
| 7 Monkstown Road, Monkstown, Co Dublin | Jul 2026 | €1,295,000 | 56 m |
| 4 Montpelier Place, Blackrock, Dublin | Jan 2025 | €1,600,000 | 97 m |
| 8 Alma Court, Alma Road, Monkstown | May 2026 | €485,000 | 110 m |
| Apt 4 Alma Court, Alma Rd, Monkstownnot full market price | May 2026 | €167,995 | 110 m |
| 3 Montpelier Place, Blackrock, Co Dublin | Dec 2025 | €1,652,111 | 116 m |
| 4 Seapoint Court, Temple Crescent, Blackrock | Aug 2025 | €440,000 | 144 m |
| 1 St Vincents Park, Temple Hill, Blackrock | Aug 2025 | €758,000 | 151 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 received24 July 2025
- Decision due17 September 2025
- Decision issued15 September 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
Permission is sought for a two storey extension to the side of existing two storey house, total area 7 sq.m
22, Monkstown Road, Monkstown, Co. Dublin
D12B/0116Dún Laoghaire–RathdownLodged 10 Apr 2012Extension
- GrantedAt this site
Permission for the development of a 42.7sqm ground floor extension and a 26sqm first floor extension to the…
22, Monkstown Road, Monkstown, Blackrock, Co. Dublin
D19B/0411Dún Laoghaire–RathdownLodged 6 Sept 2019Extension
- GrantedAt this site
Planning Permission for development. The development will consist of; the demolition of an existing single…
18, Monkstown Road, Monkstown, Co. Dublin
D22A/0139Dún Laoghaire–RathdownLodged 12 May 2022Extension
- Compliance submissionAt this site
Compliance with Condition no. 3 of Reg Ref no. ABP31395822 (D22A/0139)
18, Monkstown Road, Monkstown, Co. Dublin
D22A/0139/C1Dún Laoghaire–RathdownLodged 4 Jun 2024Other
- Compliance submissionAt this site
Compliance with Condition no. 4 of Reg Ref no. ABP31395822 (D22A/0139)
18, Monkstown Road, Monkstown, Co. Dublin
D22A/0139/C2Dún Laoghaire–RathdownLodged 4 Jun 2024Other
- Compliance submissionAt this site
Compliance with Condition no. 10 of Reg Ref no. ABP31395822 (D22A/0139)
18, Monkstown Road, Monkstown, Co. Dublin
D22A/0139/C3Dún Laoghaire–RathdownLodged 23 Jul 2024Other
- GrantedAt this site
A) provision of a second floor to the foot print of the existing extension. B) amendments to the window to…
24, Monkstown Road, Monkstown, Co. Dublin.
D08B/0379Dún Laoghaire–RathdownLodged 21 May 2008Extension
- Granted30 m away
Permission sought for construction of a ground floor extension to rear and associated site works
16, Monkstown Road, Blackrock, Co. Dublin
D06B/1135Dún Laoghaire–RathdownLodged 22 Dec 2006Extension
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 the rear and side, internal alterations and removal of an existing chimney
1, Callary Road, Mount Merrion, Co. Dublin
D08B/0850Dún Laoghaire–RathdownLodged 19 Dec 2008
- GrantedExtension
Proposed rear single storey extension with partial demolition of existing rear single storey extension and…
67, Carlingford Road, Drumcondra, Dublin 9
WEB1854/21Dublin CityLodged 17 Aug 2021
- GrantedExtension
Construction of single storey extension with flat roof to the rear of existing house; alterations to ground…
93, Monksfield Heights, Clondalkin, Dublin 22
SD21B/0132South DublinLodged 12 Mar 2021
- GrantedExtension
Proposed single story flat roof extensions to side, rear and a small porch extension to the front of the…
26 Whitechurch Avenue, Ballyboden, Dublin 16, D16V020
SD25B/0026WSouth DublinLodged 27 Jan 2025
- GrantedExtension
Single storey extension to rear and part conversion of existing roof creating continuous dormer to rear and…
4, Limekiln Road, Terenure, Dublin 12.
SD05B/0592South DublinLodged 1 Sept 2005
- InvalidExtension
Proposed single-storey extension with mono-pitch roof to rear of existing house, changes to rear window…
27, Fergus Road, Terenure, Dublin 6w
WEB2462/24Dublin CityLodged 8 Nov 2024
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