La Rocca, 5 Willow Grove, Cornelscourt, Dublin 18
A single-storey front extension, garage conversion, and attic conversion with a new rear gable.
D18B/0024 · Dun Laoghaire Rathdown County Council · Lodged 19 January 2018
- Reference
- D18B/0024
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 19 January 2018
Summary
AI-generatedThe application proposes a new single-storey front extension and the conversion of the existing garage into a home office and utility room. It also includes an attic conversion for a bedroom and en-suite, extending the roof to a new rear gable, and window alterations.
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 a new single storey extension to front, conversion of existing garage to home office and store to utility all at ground floor level. Attic conversion accommodating bedroom and en-suite extending roof to new gable to rear and new velux roof light on north elevation. Lowering of cill on staircase window on side elevation and enlarging of bathroom window on rear elevation at first floor level along with ancillary 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 23 August 2019.
Notified floor area: 245 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 20 South Park, Foxrock, Dublin 18 | Jan 2025 | €995,000 | 145 m |
| 1 To 32 Goirt�n Murrough, Dublin Roadprice excludes VAT | Feb 2026 | €11,596,998 | 207 m |
| 4 Glen Garth, The Park, Cabinteely Dublin 18 | Jul 2025 | €890,000 | 209 m |
| 66 South Park, Foxrock, Dublin 18 | Dec 2025 | €1,143,000 | 210 m |
| 64 South Park, Foxrock, Dublin 18 | Jan 2025 | €980,000 | 213 m |
| 8 Glen Garth, The Park, Cabinteely Dublin 18 | Oct 2025 | €845,000 | 213 m |
| 6 South Park, Foxrock, Dublin 18 | Jun 2025 | €1,000,000 | 221 m |
| 33 South Park, Foxrock, Dublin 18 | Sept 2025 | €1,000,000 | 231 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 January 2018
- Decision issued12 March 2018
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted40 m away
Planning permission is sought for a single storey extension totalling 8.7sq.m. Floor area under existing…
10, Willow Grove, Cornelscourt, Dublin 18
D10B/0465Dún Laoghaire–RathdownLodged 15 Nov 2010Extension
- Invalid40 m away
Planning permission is sought for a single storey extension totaling 8.7sq.m, floor area under existing…
10, Willow Grove, Cornelscourt, Dublin 18
D10B/0309Dún Laoghaire–RathdownLodged 9 Jul 2010Extension
- Granted50 m away
Permission for an extension at first floor to front over existing ground floor room, including removal of…
12 Willow Grove, Cornelscourt, Co Dublin
D16B/0272Dún Laoghaire–RathdownLodged 23 Jun 2016Extension
- Granted100 m away
Permission for bi-dormer attic extension of 29sqm and internal alterations to roof, including new access stair
19 Willow Grove, Cornelscourt, Dublin 18
D15B/0334Dún Laoghaire–RathdownLodged 20 Aug 2015Extension
- Granted100 m away
Permission for a bi-dormer attic extension with internal alterations to attic space including new access…
19, Willow Grove, Cornelscourt, Dublin 18
D20B/0359Dún Laoghaire–RathdownLodged 9 Nov 2020Extension
- Part granted, part refused100 m away
Permission for attic conversion of 38 sqm and alterations to roof, including new stair access and alterations…
19 Willow Grove, Cornelscourt, Dublin 18
D15B/0043Dún Laoghaire–RathdownLodged 19 Feb 2015Extension
- Refused110 m away
Permission is sought to construct a two storey detached house adjoining the existing house
48, South Park, Foxrock, Dublin 18
D07A/0692Dún Laoghaire–RathdownLodged 26 Feb 2008New dwelling
- Granted110 m away
A) Increase in size of single storey rear extension with 2no. roof windows. B) Incorporating porch overhang…
30, South Park, Dublin 18, D18KX44
D23B/0287Dún Laoghaire–RathdownLodged 12 Jun 2023Retention
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 the conversion of an existing garage to include a home office and utility room (13 m2), a…
18 Coolnevaun, Stillorgan, Co Dublin
D17B/0356Dún Laoghaire–RathdownLodged 2 Aug 2017
- GrantedExtension
Permission for — conversion of garage to home office use and part utility use
11 Friarsland Road, Goatstown, Dublin 14, D14W897
D22A/1005Dún Laoghaire–RathdownLodged 16 Dec 2022
- GrantedExtension
Permission for the construction of a single storey rear extension, side garage conversion with first floor…
3 Priory Grove, Stillorgan, Blackrock, Co Dublin
D16A/0683Dún Laoghaire–RathdownLodged 14 Nov 2016
- InvalidExtension
Permission for new single storey extension to side of property, incorporating new utility room 11m2, change…
5, Silver Birches, Dundrum, Dublin 14
D14A/0154Dún Laoghaire–RathdownLodged 27 Mar 2014
- GrantedExtension
Permission for the construction of a single storey ground floor extension to the rear elevation, and the…
53, The Hawthorns, Abberley, Killiney, Co. Dublin
D16B/0215Dún Laoghaire–RathdownLodged 25 May 2016
- RefusedExtension
Permission for extension and alteration works, comprising attached side garage conversion to home study;…
24 Acorn Road, Dundrum, Dublin 16 D16P293
D20A/0209Dún Laoghaire–RathdownLodged 11 Mar 2020
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