11 Treesdale, Stillorgan, Co. Dublin
Attic conversion with a rear dormer window and front rooflight in Stillorgan.
D20B/0422 · Dun Laoghaire Rathdown County Council · Lodged 21 December 2020
- Reference
- D20B/0422
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 21 December 2020
Summary
AI-generatedPermission is sought for a dormer window at attic level to the rear of the property. The works also include one Velux-type rooflight to the front and associated site works.
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 dormer window at attic level to the rear and one velux type rooflight at attic level to the front, including all associated 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 25 April 2022.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 13 Priory Dr, Stillorgan, Dublin | Aug 2025 | €935,000 | 97 m |
| 3a The Willows, Priory, Stillorgan | May 2026 | €995,000 | 101 m |
| 1b Priory Drive, Stillorgan, Co Dublinnot full market price | May 2026 | €173,359 | 113 m |
| 30 Treesdale, Stillorgan Rd, Stillorgan | Oct 2025 | €985,000 | 115 m |
| 19 woodlands park, blackrockprice excludes VAT | May 2026 | €1,013,216 | 135 m |
| 16a Woodlands Park, Blackrock, Dublin | Nov 2025 | €1,250,000 | 166 m |
| 33 Priory Ave, Stillorgan, Dublin | Jan 2026 | €1,070,000 | 175 m |
| Auburn, Old Dublin Rd, Stillorgan | Apr 2026 | €1,455,000 | 215 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 received21 December 2020
- Decision issued19 February 2021
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
Permission for development which will consist / consists of the demolition of an existing porch, the…
16, Priory Drive, Stillorgan, Co. Dublin
D10A/0270Dún Laoghaire–RathdownLodged 20 May 2010Extension
- Granted40 m away
Permission for new pedestrian entrance gate in existing stone boundary wall from Treesdale to the rear of No.…
16 Priory Drive, Stillorgan, Co Dublin A94 AN82
D18B/0421Dún Laoghaire–RathdownLodged 27 Sept 2018Alterations
- Granted40 m away
Permission sought for the erection of a new two storey living/ bedroom extension at rear to replace existing…
22, Priory Drive, Stillorgan, Co Dublin
D07B/0063Dún Laoghaire–RathdownLodged 25 Jan 2007Extension
- Granted40 m away
Retention of 26 sq.m single storey kitchen extension to rear
15, Treesdale, Blackrock, Co. Dublin.
D05A/0826Dún Laoghaire–RathdownLodged 30 Aug 2005Retention
- Granted40 m away
Retention of increased size of rere extension, conversion of garage to habitable room, extension of first…
22, Priory Drive, Stillorgan, Co Dublin
D08B/0634Dún Laoghaire–RathdownLodged 25 Aug 2008Retention
- Granted40 m away
First floor extension above existing ground floor to side, single and two storey extension to include bay…
20, Priory Drive, Stillorgan, Co. Dublin
D06B/0681Dún Laoghaire–RathdownLodged 25 Jul 2006Extension
- Granted40 m away
Permission to extend and alter property. The proposed development will incorporate the following: A.…
18 Priory Drive, Stillorgan, Co Dublin
D18A/1146Dún Laoghaire–RathdownLodged 6 Dec 2018Extension
- Granted50 m away
Permission is sought for the removal of a single storey utility return and the construction of a new two…
26, Priory Drive, Stillorgan, Dublin
D16A/0845Dún Laoghaire–RathdownLodged 16 Nov 2016Extension
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 is sought for the construction of a dormer window to the side at attic level, 2 velux windows to…
72 Adelaide Road, Glenageary, Co. Dublin
D09B/0298Dún Laoghaire–RathdownLodged 9 Jul 2009
- GrantedExtension
Permission is sought for new dormer window extension to rear of existing attic conversion with 2No. of Velux…
13, Chapel Crescent, Riverston Abbey, Dublin 7, D07 TH56
WEB1597/24Dublin CityLodged 16 May 2024
- GrantedExtension
Permission sought for the construction of a dormer window to the rear and the installation of two velux roof…
6, Highthorn Park, Dun Laoghaire
D18B/0389Dún Laoghaire–RathdownLodged 31 Aug 2018
- GrantedExtension
Permission is sought for a dormer window to the rear and 1 Velux window to front of existing roof and…
37, Highthorn Park, Dun Laoghaire, Co. Dublin
D12B/0119Dún Laoghaire–RathdownLodged 12 Apr 2012
- RefusedExtension
Permission is sought for the erection of a dormer type attic conversion with small balcony and French doors…
32, Frankfort Park, Dundrum, Dublin 14
D09B/0089Dún Laoghaire–RathdownLodged 2 Mar 2009
- GrantedExtension
Permission is sought for; Formation of dormer window to existing attic room to rear of roof & all associated…
Hampton, Kilmacud Road Upper, Dundrum, Dublin D14 E6W0
D20B/0387Dún Laoghaire–RathdownLodged 30 Nov 2020
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