13, Knocksinna Crescent, Foxrock, Dublin 18, D18C3C5
Construction of a two-storey rear extension with rooflights and landscaping.
D24B/0499/WEB · Dun Laoghaire Rathdown County Council · Lodged 19 November 2024
- Reference
- D24B/0499/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 19 November 2024
Summary
AI-generatedThe development consists of building a two-storey extension to the rear of the existing house. The project will also include rooflights and associated landscaping works.
- 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
The construction of a two-storey extension to the rear including rooflights and associated landscaping 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 16 July 2025.
Notified floor area: 55 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 3 Knocksinna Wood, Blackrock, County Dublin | Mar 2026 | €1,130,000 | 74 m |
| 5 Knocksinna Wood, Blackrock, Co. Dublin | Jul 2025 | €1,010,000 | 85 m |
| Reendonegan, Granvillle Rd, Blackrock | Apr 2026 | €2,397,500 | 126 m |
| 59 Granville Park, Blackrock, Dublin | May 2026 | €1,140,000 | 149 m |
| 10 Granville Rd, Blackrock, Dublin | May 2025 | €1,320,000 | 151 m |
| 17 Granville Rd, Blackrock, Dublin | Aug 2025 | €2,030,000 | 179 m |
| Amberly, 17a Granville Rd, Blackrock | Jan 2025 | €1,255,000 | 184 m |
| 66 Granville Park, Blackrock, Co Dublin | Jul 2025 | €995,000 | 218 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 received19 November 2024
- Decision due22 January 2025
- Decision issued17 January 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 for proposed single storey extensions to front, side and rear of the existing detached bungalow.…
13, Knocksinna Crescent, Foxrock, Dublin 18
D13A/0642Dún Laoghaire–RathdownLodged 5 Dec 2013Extension
- GrantedAt this site
Alterations and extensions to existing single storey four bedroom detached dwelling resulting in an increase…
11, Knocksinna Crescent, Foxrock, Dublin 18
D07B/0915Dún Laoghaire–RathdownLodged 8 Nov 2007Extension
- GrantedAt this site
Alterations and extensions to existing single storey four bedroom detached dwelling comprising, a) Demolition…
11, Knocksinna Crescent, Foxrock, Dublin 18
D08B/0797Dún Laoghaire–RathdownLodged 28 Nov 2008Extension
- Granted50 m away
Permission for relocation of vehicular entrance including provisions of 2 no. new entrance piers and dishing…
9, Knocksinna Crescent, off Granville Park, Blackrock, Co. Dublin
D15A/0487Dún Laoghaire–RathdownLodged 31 Jul 2015Infrastructure
- Granted50 m away
For alterations to the front facade
9, Knocksinna Crescent, Foxrock, Dublin 18
D06B/0205Dún Laoghaire–RathdownLodged 13 Mar 2006Alterations
- Granted50 m away
Permission for partial demolition of an existing single storey extension to front and rear, demolition of an…
43 Granville Park, Blackrock, Co. Dublin A94 VW11
D19B/0498Dún Laoghaire–RathdownLodged 3 Dec 2019Extension
- Granted50 m away
Permission for partial demolition of an existing single storey extension to rear, construction of a new…
41, Granville Park, Blackrock, Co Dublin, A94PX67
D22A/0111Dún Laoghaire–RathdownLodged 15 Feb 2022Retention
- Granted50 m away
Construction of a new flat roofed entrance porch and 2 additional first floor windows to the front facade of…
41, Granville Park, Blackrock, Dublin, A94PX67
D24B/0103Dún Laoghaire–RathdownLodged 14 Mar 2024Extension
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
The development of a two-storey rear extension to the existing property and a new rooflight to the existing…
137, Oliver Plunkett Avenue, Ringsend, Dublin 4 D04 YY83
WEB1504/23Dublin CityLodged 15 Jun 2023
- GrantedExtension
Construction of a new two-storey extension to the rear with rooflight, internal modifications and…
16, Grattan Street, Dublin 2
WEB1057/21Dublin CityLodged 25 Jan 2021
- GrantedExtension
Two storey extension to the rear of existing dwelling, to include rooflights and all ancillary site works
4, Station Road, Clondalkin, Dublin 22
SD20B/0436South DublinLodged 16 Nov 2020
- RefusedExtension
Construction of a two storey extension at the rear, alterations to the existing front elevation including new…
10 Willow Wood View, Hartstown, Dublin 15, D15 HKF1
FW23A/0095FingalLodged 12 Apr 2023
- GrantedExtension
Construction of a two-storey extension to the rear of the existing dwelling, additional rooflights, window…
No 7 The Willows , Clonminch , Tullamore Co. Offaly
25120OffalyLodged 28 Nov 2025
- GrantedExtension
Construction of a two storey extension to the side and rear of the existing two storey house together with…
51, Grangebrook Avenue, Dublin 16
SD14B/0265South DublinLodged 24 Apr 2015
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