20 Whitethorn Cresent, Palmerstown, Dublin 20.
Two-storey granny flat extension, front porch, and dormer window in Palmerstown.
S00B/0690 · South Dublin County Council · Lodged 31 January 2001
- Reference
- S00B/0690
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Permission
- Received
- 31 January 2001
- Floor area
- 178 m²
Summary
AI-generatedPermission is sought for a two-storey extension to the side and rear of the house to serve as a granny flat. The works also include a new front porch and a dormer window in the roof area.
- 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
Two-storey extension (granny flat) to side and rear, porch to front and dormer window in roof area.
Land-use zoning
What this land is zoned for
“To protect and/or improve residential amenity”
National zoning type: Existing residential
Objective set by the South Dublin 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 |
|---|---|---|---|
| 58 Whitethorn Park, Palmerstown, Dublin 22 | Nov 2025 | €335,000 | 86 m |
| 6 Palmers Court, Palmerstown, Dublin | Oct 2025 | €281,000 | 138 m |
| 72 Whitethorn Park, Palmerstown, Dublin 20 | Jul 2026 | €505,000 | 173 m |
| 95a Whitethorn Dr, Palmerstown, Dublin 20 | Jan 2025 | €487,000 | 191 m |
| 124 Whitehorn Park, Palmerstown, Dublin 20 | May 2025 | €485,000 | 264 m |
| 19 Palmer's Glade, Palmerstown Manor, Palmerstown | Feb 2026 | €475,000 | 307 m |
| 6 Palmers Copse, Palmerstown, Dublin 20 | Feb 2025 | €435,000 | 309 m |
| 16 Palmers Glade, Palmerstown Manor, Palmerstown Dublin 20 | Jul 2025 | €548,000 | 314 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 received31 January 2001
- Decision due28 March 2001
- Decision issued29 March 2001
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
Retention for existing front single storey porch to dwelling
17, Whitethorn Crescent, Dublin 22
SD20B/0244South DublinLodged 15 Jul 2020Retention
- Granted40 m away
Detached gym and utility room in rear garden with connection to existing services and all associated site…
10, Whitethorn Way, Dublin 22
SD22B/0457South DublinLodged 18 Oct 2022Extension
- Granted40 m away
Retention of dormer window to rear of house and attic conversion to storeroom internally
33, Whitethorn Crescent, Palmerstown, Dublin 20
SD06B/0549South DublinLodged 14 Nov 2006Retention
- Granted40 m away
Retention of front canopy, single storey side and rear extensions, with 6 Velux, and garden shed
1, Whitethorn Way, Palmerstown, Dublin 20
SD10B/0248South DublinLodged 24 Jun 2010Retention
- Granted40 m away
Two storey extension to side with new sunroom, attic dormer and single storey extension to rear plus single…
1, Whitethorn Way, Palmerstown, Dublin 22.
SD06B/0119South DublinLodged 2 Mar 2006Extension
- Granted50 m away
Alterations to granted planning permission, Reg. Ref. SD07B/0793, for a ground floor gargage extension and a…
12, Whitethorn Way, Palmerstown, Dublin 20
SD08B/0166South DublinLodged 14 Mar 2008Alterations
- Part granted, part refused50 m away
(1) A two storey extension to the side and a single storey extension to the rear; (2) retention of new…
12, Whitethorn Way, Palmerstown, Dublin 20
SD07B/0793South DublinLodged 21 Sept 2007Extension
- Granted60 m away
Single storey extension to the rear/side
13, Whitethorn Way, Palmerstown, Dublin 20
SD07B/0785South DublinLodged 18 Sept 2007Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- Awaiting decisionExtension
Dormer side and rear extension and new side entrance porch with some internal alterations to the existing…
12 Cooldrinagh, Lucan, Co. Dublin.
SD02B/0176South DublinLodged 26 Apr 2002
- GrantedExtension
Two storey extension/granny flat to side of house with sun lounge at rear
1 Castlefield Lawn, Castlefield Manor, Knocklyon, Dublin 16.
S02B/0003South DublinLodged 2 Jan 2002
- GrantedExtension
Two storey side and rear extensions including dormer bedrooms, dormer window to existing attic bedroom,…
42 College Park, Terenure, Dublin 6W.
S99B/0440South DublinLodged 6 Jul 1999
- WithdrawnExtension
A two storey granny apartment extension to the side; an attic conversion with dormer window to the rear and…
12, Fernhill Park, Dublin 12
SD12B/0104South DublinLodged 27 Apr 2012
- GrantedExtension
Two storey extension to side garage at ground floor level and bedrooms at first floor level, porch extension…
44, Earlsfort Meadows, Lucan, Co. Dublin
SD03B/0001South DublinLodged 2 Jan 2003
- GrantedExtension
Alterations and extensions to existing house to include extensions to side and rear, new dormer roof windows,…
'Ferndale' , New Road , Greystones
25110WicklowLodged 6 May 2025
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