Knocksinna House, Knocksinna, Foxrock, Dublin, D18X5F6
Refurbishment of outbuildings to create two new staff accommodation units and alter an existing apartment.
D25A/0998/WEB · Dun Laoghaire Rathdown County Council · Lodged 22 December 2025
- Reference
- D25A/0998/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- In progress
- Type
- Permission
- Received
- 22 December 2025
Summary
AI-generatedThe development consists of the repair, refurbishment, and upgrade of existing two-storey outbuildings to the rear of Knocksinna House. It will provide two new staff accommodation units in former storage and office areas, alongside alterations to an existing first-floor staff apartment.
- Residential units
- 2
- 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 development will consist of: the repair, refurbishment and upgrade of the existing two-storey outbuildings to the rear of knocksinna house and associated exterior works; to include within the existing building for the provision of two additional units of staff accommodation in areas last used as storage and offices, together with alterations to the layout of the existing first-floor, 2-bedroomed staff apartment. The new staff accommodation units comprise one 2-bedroomed ground-floor apart...
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 |
|---|---|---|---|
| 10 Sycamore Grove, Westminster Park, Foxrock Dublin 18 | Apr 2025 | €625,000 | 86 m |
| 1 Willow Pk, Westminister Park Foxrock, Dublin 18 | Jan 2025 | €660,000 | 87 m |
| 5 Sycamore Grove, Westminster Park, Foxrock | Mar 2026 | €610,000 | 138 m |
| 13 Pine Ave, Westminster Park, Foxrock Dublin 18 | May 2026 | €850,000 | 146 m |
| 4 Birch Dale, Westminster Park, Dublin 18 | Apr 2026 | €755,000 | 162 m |
| 7 Pine Avenue, Foxrock, Dublin 18 | May 2025 | €860,000 | 167 m |
| 7 Birch Dale, Westminster Park, Foxrock Dublin 18 | Jul 2025 | €810,000 | 183 m |
| Windrush, Knocksinna, Foxrock Dublin 18 | Feb 2025 | €1,375,000 | 189 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 received22 December 2025
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted60 m away
Small ground floor rear and side extension (measuring circa 16.5 sq. metres). This is a protected structure
Cranleigh, Knocksinna, Foxrock, Dublin 18
D04A/0274Dún Laoghaire–RathdownLodged 16 Mar 2004Extension
- Granted60 m away
Repaint existing house, a protected structure, paint ref: RAL1015 and retention of variations to approved…
Cranleigh, Knocksinna, Foxrock, Co. Dublin.
D02A/0071Dún Laoghaire–RathdownLodged 6 Feb 2002Alterations
- Granted60 m away
For provision of additional car entrance gateway along the front boundary with the road at "Cranleigh"
Cranleigh, Knocksinna, Foxrock, Dublin 18
D08A/0446Dún Laoghaire–RathdownLodged 21 Apr 2008Alterations
- Granted60 m away
The development will consist of 9, two-storey mews type houses on a cul-de-sac with associated landscaping…
Knocksinna House (Site To Rear), Knocksinna, Foxrock, Dublin 18(The Portuguese Embassy)
D06A/0566Dún Laoghaire–RathdownLodged 29 Jan 2007Housing estate
- Granted70 m away
Permission is sought for (i) new access from Living Room to Kitchen/Dining via 2 sets of double doors (ii)…
Fahanmura, No. 2 Knocksinna, Foxrock, Dublin 18 a protected structure
D20A/0536Dún Laoghaire–RathdownLodged 4 Aug 2020Extension
- Granted80 m away
Demolition of existing extensions and outhouses (comprising 155.3sqm), alterations to existing internal…
Corners, Knocksinna, Foxrock, Dublin 18
D07B/0869Dún Laoghaire–RathdownLodged 15 Oct 2007Extension
- Awaiting decision90 m away
The development consists of a side-extension to the existing dwelling, construction of 32m2 standalone garden…
1, Willow Park, Westminster Park, Foxrock, Dublin 18, D18H1W5
D25B/0531/WEBDún Laoghaire–RathdownLodged 25 Sept 2025Retention
- Granted100 m away
Permission is sought for construction of a two storey extension to the side and single storey extension with…
2, Sycamore Grove, Westminster Park, Dublin 18, D18 N2Y2
D18B/0462Dún Laoghaire–RathdownLodged 25 Oct 2018Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- WithdrawnApartments
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- GrantedApartments
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20339KildareLodged 1 Apr 2020
- GrantedExtension
The proposed development will comprise internal alterations to existing single storey over basement…
Sorrento House, 1 Sorrento Terrace, Sorrento Road, Dalkey, Co Dublin, A96 CX47 (A protected structure RPS No. 1609)
D22A/0543Dún Laoghaire–RathdownLodged 25 Jul 2022
- Awaiting decisionNew dwelling
The development will consist of: Construction of 2 No. 2 bed, 2 storey, gabled, semi-detached houses, with…
60, Shanvarna Road, Santry, Dublin 9, D09 W229
WEB5794/25Dublin CityLodged 25 Nov 2025
- GrantedApartments
Increase the floor area of existing staff accommodation and plant room by 218sq.m on the second floor;…
Croughs Pub, Cookstown Road, Tallaght, Dublin 24
SD19A/0391South DublinLodged 28 Jul 2020
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