9, Knocksinna Park, Dublin 18
Demolition of a side extension and construction of a new dormer side extension and single-storey rear extension.
D21B/0332 · Dun Laoghaire Rathdown County Council · Lodged 2 July 2021
- Reference
- D21B/0332
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 2 July 2021
Summary
AI-generatedThe project involves the demolition of a side extension and the construction of a new dormer side extension and a single-storey rear extension. It also includes enclosing the front porch, adding a new bay window, and replacing existing dormers, resulting in a total floor area of 192.1 sqm.
- Floor area
- 192 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 for demolition of existing side single story extension. Construction of new dormer side extension with additional bedroom and repositined entrance. Single storey kitchen, dining, living and tv room extension to rear of house. Existing front porch to be enclosed. Addition of new bay window to front ground level. Replacement of existing dormers with new dormers at first floor. Total floor area 192.1msq
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 |
|---|---|---|---|
| 11 Foxrock Mount, Foxrock Park, Foxrock Dublin 18 | Jan 2025 | €745,000 | 130 m |
| 95 Foxrock Park, Foxrock, Dublin 18 | May 2025 | €840,000 | 179 m |
| 2 The Courtyard, Foxrock Park, Foxrock Dublin 18 | Apr 2026 | €815,000 | 216 m |
| 7 The Courtyard, Foxrock Park, Foxrock Dublin 18 | Sept 2025 | €860,000 | 220 m |
| 17 Granville Rd, Blackrock, Dublin | Aug 2025 | €2,030,000 | 221 m |
| Amberly, 17a Granville Rd, Blackrock | Jan 2025 | €1,255,000 | 231 m |
| 59 Granville Park, Blackrock, Dublin | May 2026 | €1,140,000 | 234 m |
| Reendonegan, Granvillle Rd, Blackrock | Apr 2026 | €2,397,500 | 242 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 July 2021
- Decision issued24 August 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 for — Extension to existing side single storey extension to create new entrance, with new pitched…
No. 9 Knocksinna Park, Dublin 18
D21B/0635Dún Laoghaire–RathdownLodged 19 Nov 2021Extension
- RefusedAt this site
For a detached bungalow with attic rooms at the rear, also the removal of existing side garage, side utility…
11, Knocksinna Park, Foxrock, Dublin 18
D05A/0384Dún Laoghaire–RathdownLodged 29 Mar 2005New dwelling
- Granted50 m away
Permission for: A. A single storey extension to the side of existing house, consisting of a kitchen. B.…
57 Granville Road, Blackrock, Co Dublin
D17B/0170Dún Laoghaire–RathdownLodged 12 Apr 2017Extension
- Granted60 m away
Planning permission is sought for the replacing of existing roof tiles with a new solar roof system to the…
3, Knocksinna Park, Foxrock, Dublin 18
D11B/0281Dún Laoghaire–RathdownLodged 22 Aug 2011Alterations
- Granted60 m away
Permission is sought for the provision of new single storey extension to front, new rooflight, elevational…
3, Knocksinna Park, Foxrock, Dublin 18
D10B/0407Dún Laoghaire–RathdownLodged 24 Sept 2010Extension
- Granted60 m away
Construction of single storey extension to the front and side elevation
1, KNOCKSINNA PARK, FOXROCK, DUBLIN 18
D04B/0662Dún Laoghaire–RathdownLodged 27 Aug 2004Extension
- Granted70 m away
Permission is sought for a dormer roof extension to the rear pitch of the existing house to extend the…
2 Newpark Lodge, Granville Road, Foxrock, Dublin 18.
D16B/0516Dún Laoghaire–RathdownLodged 15 Dec 2016Extension
- Granted80 m away
Construction of a single storey extension to the front, side and rear of the existing single storey dwelling…
4, Knocksinna Park, Dublin 18, D18N7X8
D23A/0622Dún Laoghaire–RathdownLodged 29 Sept 2023Extension
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
Permission for — Extension to existing side single storey extension to create new entrance, with new pitched…
No. 9 Knocksinna Park, Dublin 18
D21B/0635Dún Laoghaire–RathdownLodged 19 Nov 2021
- GrantedExtension
Permission for demolition of existing two storey extension to side of house and construction of new two…
23 Convent Road, Blackrock, Co Dublin
D18B/0047Dún Laoghaire–RathdownLodged 1 Feb 2018
- GrantedExtension
Permission is sought for the remodelling the front, sides and rear facades, with a 13m2 new porch to front…
55, Auburn Road, Glenageary, Co Dublin, A96V6D3
D21B/0445Dún Laoghaire–RathdownLodged 23 Aug 2021
- GrantedExtension
Permission for demolition of existing rear single storey extension, construction of a single storey rear…
17 Woodbine Road, Blackrock, Co Dublin
D15A/0599Dún Laoghaire–RathdownLodged 18 Sept 2015
- GrantedExtension
Permission for the construction of a 2 storey dormer type extension (244 sqm) to an existing house of 240 sqm…
Treetops, Greenlands, Sandyford, Dublin 16
D13B/0094Dún Laoghaire–RathdownLodged 20 Mar 2013
- GrantedExtension
Permission for the demolition of the rear walls and part side wall to the existing living room and kitchen at…
20, Churchfields, Dundrum, Dublin 14, D14K8Y1
D22B/0207Dún Laoghaire–RathdownLodged 20 Apr 2022
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