12, Castlewood Avenue, Dublin 6
Conversion of two apartments back into a single family home with energy upgrades to a protected structure.
2364/20 · Dublin City Council · Lodged 28 February 2020
- Reference
- 2364/20
- Authority
- Dublin City Council
- Register status
- Decided
- Type
- Permission
- Received
- 28 February 2020
Summary
AI-generatedThis application seeks permission to revert two existing one-bedroom apartments back into a single two-bedroom family home. The works to this protected structure include installing slim double glazing, a conservation rooflight, renewable energy systems, and a rear garden heat pump.
- Residential unit
- 1
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
Protected structure: permission is sought for works to a protected structure. This involves a: reverting the two 1 bedroom apartments to a single family 2 bedroom home; b: replacing defunct mechanical and electrical systems; c: insulation for sound, thermal and fire protection at level 1; d: installing slim profiled double glazing in multi-pane windows; e: replacing 20th century windows at the rear of the property; f: installing renewable energy systems to the internal valley; g: installing a conservation type rooflight to the internal valley; h: installing a heat pump to the rear garden at 12 castlewood avenue, dublin 6.
Land-use zoning
What this land is zoned for
“To protect and/or improve the amenities of residential conservation areas.”
National zoning type: Existing residential
Objective set by the 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 17 September 2020.
Notified floor area: 118.13 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 25 Castlewood Ave, Rathmines, Dublin | Jun 2025 | €2,000,000 | 45 m |
| 16 Castlewood Terrace, Rathmines, Dublin 6 | Apr 2025 | €525,000 | 97 m |
| 8 Newington Apts, Castlewood Ave, Rathmines Dublin 6 | Mar 2025 | €440,000 | 101 m |
| 10 Castlewood Close, Castlewood Ave, Rathmines | Jul 2025 | €546,000 | 103 m |
| 29 Castlewood Close, Rathmines, Dublin 6 | Dec 2025 | €380,000 | 117 m |
| 28 Castlewood Close, Castlewood Ave, Rathmines Dublin 6 | Nov 2025 | €345,000 | 117 m |
| 10 Castlewood Park, Rathmines, Dublin 6 | Jun 2025 | €1,050,000 | 121 m |
| 5 Castlewood Park, Rathmines, Dublin 6 | Apr 2025 | €1,100,000 | 125 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 received28 February 2020
- Decision due23 April 2020
- Decision issued11 March 2020
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
PROTECTED STRUCTURE: Permission for works to a protected structure. This involves works to the existing 3…
12, Castlewood Avenue, Dublin 6
2523/20Dublin CityLodged 18 Mar 2020Alterations
- GrantedAt this site
PROTECTED STRUCTURE: The development will consist of conversion of existing 5 self-contained apartments into…
11, Castlewood Avenue, Rathmines, Dublin 6
3327/19Dublin CityLodged 24 Jun 2019Change of use
- GrantedAt this site
PROTECTED STRUCTURE: Planning permission is sought for a new vehicle entrance to the front garden to provide…
13 Castlewood Avenue, Rathmines, Dublin 6, D06 Y462
3659/22Dublin CityLodged 4 Apr 2022Alterations
- GrantedAt this site
PTOTECTED STRUCTURE : Permission for development at 13 Castlewood Avenue a Protected Structure. Exterior…
13, Castlewood Avenue, Rathmines , Dublin 6 , D06Y462 , D06Y803
4138/24Dublin CityLodged 9 Aug 2024Alterations
- InvalidAt this site
PROTECTED STRUCTURE : The development will consist of some demolition work on the lower ground floor…
10, Castlewood Avenue, Rathmines , Dublin 6 , D06V2YO
3839/24Dublin CityLodged 12 Jun 2024Extension
- GrantedAt this site
PROTECTED STRUCTURE : The development will consist of some demolition work on the lower ground floor…
10, Castlewood Avenue, Rathmines , Dublin 6 , D06V2YO
3951/24Dublin CityLodged 2 Jul 2024Extension
- Granted50 m away
PROTECTED STRUCTURE: Permission for development at 24 Castlewood Avenue, Dublin 6, D06 CR24 (protected…
24 Castlewood Avenue, Dublin 6
4670/18Dublin CityLodged 19 Dec 2018Alterations
- Invalid50 m away
Planning permission for the demolition of existing single storey kitchen and construction of new single…
2 Castlewood Lodge, Castlewood Terrace, Rathmines, Dublin 6, D06 FP44
5003/26Dublin CityLodged 6 Jan 2026Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedAlterations
PROTECTED STRUCTURE: Permission for works to a protected structure. This involves works to the existing 3…
12, Castlewood Avenue, Dublin 6
2523/20Dublin CityLodged 18 Mar 2020
- GrantedAlterations
PROTECTED STRUCTURE: Permission for development at 24 Castlewood Avenue, Dublin 6, D06 CR24 (protected…
24 Castlewood Avenue, Dublin 6
4670/18Dublin CityLodged 19 Dec 2018
- GrantedExtension
PROTECTED STRUCTURE: Renovations, alterations and extensions to the existing two-storey, semi-detached house…
10 Castlewood Park, Rathmines, Dublin 6, D06 E2T7
WEB5293/25Dublin CityLodged 2 Oct 2025
- GrantedAlterations
PROTECTED STRUCTURE: The development will consist of works to the existing dwelling, a protected structure,…
29, Castlewood Avenue, Dublin 6
2908/20Dublin CityLodged 24 Jun 2020
- GrantedExtension
PROTECTED STRUCTURE: Planning Permission for development at existing dwelling house at 22 Castlewood Park,…
22, Castlewood Park, Rathmines, Dublin 6
2190/20Dublin CityLodged 3 Feb 2020
- GrantedAlterations
PTOTECTED STRUCTURE : Permission for development at 13 Castlewood Avenue a Protected Structure. Exterior…
13, Castlewood Avenue, Rathmines , Dublin 6 , D06Y462 , D06Y803
4138/24Dublin CityLodged 9 Aug 2024
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