120, Stillorgan Heath, Stillorgan, Co. Dublin
Alterations and extensions to a detached house in Stillorgan, increasing the floor area.
D17B/0413 · Dun Laoghaire Rathdown County Council · Lodged 7 September 2017
- Reference
- D17B/0413
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 7 September 2017
Summary
AI-generatedThe project involves a single storey rear extension with a covered canopy, a first floor side extension, and a rear bay window. It also includes internal and elevational alterations, such as a new rooflight and amended window sizes.
- Storeys
- 2
- Floor area
- 195 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 is sought for alterations and extensions to existing part two storey/part single storey detached dwelling resulting in an increase in floor area from 143.6sq. M to 194.7sq. M comprising a) a single storey extension to rear with covered canopy over part of external terrace, b) a first floor extension to side c) a bay window to rear at first floor level d) internal and elevational alterations including rooflight to side new first floor ensuite, and amended window size and shape to side...
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 |
|---|---|---|---|
| 157 Stillorgan Heath, Stillorgan, Dublin | Aug 2025 | €895,000 | 86 m |
| 157 Stillorgan Heath, Stillorgan, Dublin | Aug 2025 | €895,000 | 86 m |
| 75 Weirview Dr, Stillorgan, Dublin | Jul 2025 | €900,000 | 263 m |
| 51 Wierview Dr, Stillorgan, Dublin | Aug 2025 | €750,000 | 303 m |
| 47 Weirview Dr, Stillorgan, Dublin | Jan 2025 | €840,000 | 310 m |
| 37 Stillorgan Heath, Stillorgan, Co Dublin | Sept 2025 | €950,000 | 313 m |
| 21 Stillorgan Heath, Stillorgan, Co Dublin | Jun 2026 | €1,010,000 | 362 m |
| 37 Oaktree Rd, Stillorgan, Dublin | Jan 2025 | €830,000 | 370 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 received7 September 2017
- Decision issued27 October 2017
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 sought for the construction of a first floor and attic floor extension over the existing single…
121, Stillorgan Heath, Stillorgan, Co. Dublin
D10B/0427Dún Laoghaire–RathdownLodged 14 Oct 2010Extension
- GrantedAt this site
Permission is sought for removal of existing conservatory to rear and construction of single storey extension…
121, Stillorgan Heath, Stillorgan, Co. Dublin
D11B/0011Dún Laoghaire–RathdownLodged 17 Jan 2011Extension
- GrantedAt this site
Retention of a single storey extension with pitched roofs at the rear
122, Stillorgan Heath, Stillorgan, Co. Dublin
D04B/0153Dún Laoghaire–RathdownLodged 4 Mar 2004Retention
- GrantedAt this site
Permission for the construction of an extension to the side at first floor (24.8 sqm) with pitched roof over…
118 Stillorgan Heath, Stillorgan, Co Dublin
D15B/0007Dún Laoghaire–RathdownLodged 14 Jan 2015Extension
- Granted30 m away
Alterations and additions to include single storey extension to rear, first floor extension to side and…
123, Stillorgan Heath, Stillorgan, Co. Dublin
D04B/0120Dún Laoghaire–RathdownLodged 19 Feb 2004Extension
- Granted80 m away
Two storey extension to side and single storey extension to the rear of existing two storey residential…
154, Stillorgan Heath, Stillorgan, Co. Dublin
D04B/0336Dún Laoghaire–RathdownLodged 5 May 2004Extension
- Granted90 m away
Permission for removal of 1 no. roof light from front & rear slope of roof at attic level. Hip build-up into…
102, Stillorgan Heath, Stillorgan, Dublin, A94W448
D24B/0131Dún Laoghaire–RathdownLodged 28 Mar 2024Extension
- Granted90 m away
Removal of 1No. roof light from front & rear slope of roof at attic level. Hip buildup into dutch hip at…
101, Stillorgan Heath, Stillorgan, Co. Dublin, A94R663
D25B/0659Dún Laoghaire–RathdownLodged 20 Nov 2025Extension
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 alterations and additions to an existing 2-storey detached dwelling. The proposed development…
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D20A/0070Dún Laoghaire–RathdownLodged 30 Jan 2020
- GrantedExtension
Permission is sought for a development consisting of alterations and extension to existing detached two…
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D06A/2004Dún Laoghaire–RathdownLodged 22 Dec 2006
- GrantedExtension
Permission for development consisting of construction of single storey extension to the side of existing…
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D14B/0243Dún Laoghaire–RathdownLodged 7 Jul 2014
- GrantedExtension
Permission is sought for alterations and extensions to existing two storey four bedroom detached dwelling…
50A, Roebuck Downs, Goatstown, Dublin 14
D12B/0035Dún Laoghaire–RathdownLodged 7 Feb 2012
- GrantedExtension
Permission for modifications to existing single storey rear extension incorporating revised elevational…
8 Ballinteer Drive, Dublin 16
D16B/0214Dún Laoghaire–RathdownLodged 23 May 2016
- InvalidExtension
Extension and alterations to existing detached dwelling. The development will consist of raising of rear…
41, Glen Lawn Drive, The Park, Cabinteely, Dublin 18
D09B/0024Dún Laoghaire–RathdownLodged 19 Jan 2009
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