12 Deerpark Lawn, Castleknock, Dublin 15
Extensions and modifications to a detached house.
FW18A/0135 · Fingal County Council · Lodged 10 September 2018
- Reference
- FW18A/0135
- Authority
- Fingal County Council
- Register status
- Decided
- Type
- Permission
- Received
- 10 September 2018
Summary
AI-generatedExtensions and modifications to an existing two-and-a-half storey detached dwelling.
- Storeys
- 3
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
Extensions and modifications to existing 2.5 storey detached dwelling
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.
Built — construction complete
A commencement notice records works starting on 30 April 2019.
Notified floor area: 319 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 16 Deerpark Lawn, Castleknock, Dublin 15 | Jan 2026 | €2,120,000 | 34 m |
| 62 Phoenix Park Avenue, Castleknockprice excludes VAT | May 2026 | €823,789 | 106 m |
| 16 Deerpark Dr, Castleknock, Dublin 15 | Jul 2025 | €2,600,000 | 136 m |
| 53 Fairhaven Walk, Castleknock Road, Castleknock | Apr 2025 | €830,000 | 143 m |
| 15 Deerpark Ave, Castleknock, Dublin 15 | Nov 2025 | €2,000,000 | 185 m |
| 55 Phoenix Park Avenue, Castleknock, Dublin 15price excludes VAT | Mar 2026 | €925,114 | 200 m |
| No. 63 Phoenix Park Avenue, Phoenix Park Racecourse, Castleknockprice excludes VAT | Mar 2026 | €823,789 | 200 m |
| 59 Phoenix Park Avenue, Castleknockprice excludes VAT | Apr 2026 | €823,789 | 200 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 received10 September 2018
- Decision due4 November 2018
- Decision issued1 November 2018
- Grant issued12 December 2018
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted60 m away
Construction of a single storey conservatory to front of existing two
4 Deerpark Lawns, Castleknock, Dublin 15
FW11B/0014FingalLodged 15 Mar 2011Extension
- Invalid80 m away
The development will consist of modifications to the works approved under Planning Permission Reg. Ref.…
2, Deerpark Lawn, Castleknock, D15 EE9N
FW24A/0296EFingalLodged 18 Jul 2024Retention
- Part granted, part refused80 m away
The development will consist of modifications to the works approved under Planning Permission Reg. Ref.…
2 Deerpark Lawn, Castleknock, Dublin 15, D15 EE9N
FW24A/0320EFingalLodged 8 Aug 2024Retention
- Withdrawn80 m away
Demolition of existing detached garage and construction of two storey
Side of 2, Deerpark Lawn, Castleknock, Dublin 15
FW13A/0145FingalLodged 23 Dec 2013New dwelling
- Granted80 m away
Permission for demolition of existing single storey rear extension. De
2 Deerpark Lawn, Castleknock, Dublin 15
FW21A/0083FingalLodged 5 May 2021Demolition
- Withdrawn80 m away
Demolition of existing detached garage and construction of two-storey
side of 2 Deerpark Lawn Castleknock, Dublin 15
FW17A/0155FingalLodged 19 Sept 2017New dwelling
- Granted120 m away
Planning permission for alterations to an existing dwelling consisting
17 Deerpark Drive, Castleknock, Dublin 15
FW13B/0074FingalLodged 25 Nov 2013Alterations
- Granted120 m away
Demolition of existing garage and construction of single storey side a
19 Deerpark Drive, Castleknock, Dublin 15
FW16B/0108FingalLodged 5 Oct 2016Extension
Related developments
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Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
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Community
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