21 Deerpark Drive, Castleknock, Dublin 15, D15 K59A
Removal of two chimneys, construction of a rear dormer window, and a new side rooflight.
FW25A/0127E · Fingal County Council · Lodged 31 March 2025
- Reference
- FW25A/0127E
- Authority
- Fingal County Council
- Register status
- Decided
- Type
- Permission
- Received
- 31 March 2025
Summary
AI-generatedThe project involves the removal of two existing chimneys on the gable wall. A new dormer structure will be built on the rear roof, and a new rooflight will be installed on the side hip of the roof.
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 removal of 2 no. Existing chimneys to gable, construction of dormer to rear roof and new rooflight to side hip of roof and all associated landscaping and drainage works.
Land-use zoning
What this land is zoned for
“Provide for residential development and protect and improve residential amenity”
National zoning type: Existing residential
Objective set by the The Fingal Development Plan 2023 – 2029 (2023–2029). 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 |
|---|---|---|---|
| 15 Deerpark Ave, Castleknock, Dublin 15 | Nov 2025 | €2,000,000 | 49 m |
| 16 Deerpark Dr, Castleknock, Dublin 15 | Jul 2025 | €2,600,000 | 78 m |
| 16 Deerpark Lawn, Castleknock, Dublin 15 | Jan 2026 | €2,120,000 | 173 m |
| 13 Deerpark Drive, Castleknock, Dublin 15 | Jul 2025 | €1,450,000 | 186 m |
| 13 Deerpark Rd, Castleknock, Dublin 15 | Nov 2025 | €1,810,000 | 203 m |
| 29 Park View, Castleknock, Dublin 15 | Mar 2025 | €1,495,000 | 209 m |
| 62 Phoenix Park Avenue, Castleknockprice excludes VAT | May 2026 | €823,789 | 223 m |
| 18 Fawn Lodge, Castleknock Rd, Castleknock Dublin 15 | Jul 2025 | €218,000 | 228 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 March 2025
- Decision due23 May 2025
- Decision issued19 May 2025
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 is sought for demolition of existing single storey garage /
21 Deerpark Drive, Castleknock, Dublin 15
FW14B/0003FingalLodged 15 Jan 2014Demolition
- Granted30 m away
Demolition of existing garage and construction of single storey side a
19 Deerpark Drive, Castleknock, Dublin 15
FW16B/0108FingalLodged 5 Oct 2016Extension
- Granted40 m away
The development consists of the construction of a single storey
15 Deer Park Avenue, Castleknock, Dublin 15
FW12B/0077FingalLodged 15 Oct 2012Extension
- Withdrawn40 m away
Construct a single storey extension to the rear of the dwelling house
15 Deerpark Avenue, Castleknock, Dublin 15
FW12B/0049FingalLodged 29 Jun 2012Extension
- Part granted, part refused50 m away
Planning permission for conversion of existing garage and store to a granny flat with new pitched roof, new…
6 Deerpark Close, Castleknock, Dublin 15, D15T8PD
FW23A/0271FingalLodged 11 Sept 2023Extension
- Granted60 m away
Permission for a two room single storey residential extension at the r
17 Deerpark Drive, Castleknock, Dublin 15, D15 ENC5
FW21B/0156FingalLodged 19 Jan 2022Extension
- Granted60 m away
The development seeking permission will consist of the demolition of an existing conservatory and the…
17 Deerpark Drive, Castleknock, Dublin 15, D15 ENC5
FW25A/0377EFingalLodged 4 Sept 2025Extension
- Granted60 m away
Planning permission for alterations to an existing dwelling consisting
17 Deerpark Drive, Castleknock, Dublin 15
FW13B/0074FingalLodged 25 Nov 2013Alterations
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
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The proposed development shall consist of construction of a new dormer roof extension to the existing rear…
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The development will consist of the construction of a dormer window in the attic level to the rear of the…
2, Oakton Park, Ballybrack, Glenageary, Dublin, A96E3C3
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TA180070MeathLodged 29 Jan 2018
- GrantedExtension
The development will consist of: Removal of existing chimney to rear, construction of proposed two storey…
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WEB1222/26Dublin CityLodged 26 Sept 2025
- GrantedExtension
The proposed development will consist of ; a) Demolition of existing chimney to rear, b) First floor…
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SD25B/0539South DublinLodged 9 Sept 2025
Community
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