17 Warren Close, Castleknock, Dublin, D15T95T
First-floor side extension over an existing single-storey structure to add two bedrooms.
FW26A/0107E · Fingal County Council · Lodged 3 March 2026
- Reference
- FW26A/0107E
- Authority
- Fingal County Council
- Register status
- Appealed
- Type
- Permission
- Received
- 3 March 2026
Summary
AI-generatedPermission is sought to construct a first-floor extension to the side of the property over an existing single-storey section. The extension will accommodate two additional bedrooms and associated works.
- Storey
- 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
Permission for a first floor extension to the side of their property, on an existing single storey to create 2no. Additional bedrooms and associated 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 |
|---|---|---|---|
| 16 Warren Ave, Castleknock, Dublin 15 | Oct 2025 | €620,000 | 126 m |
| 28 Warren Ave, Carpenterstown, Castleknock Dublin 15 | Dec 2025 | €465,000 | 138 m |
| 51 Warren Ave, Castleknock, Dublin 15 | Jun 2026 | €505,000 | 153 m |
| 4 Kiltennell, Ballymoney, Wexfordnot full market price | Oct 2025 | €130,000 | 181 m |
| 1 Luttrell Park Crescent, Castleknock, Dublin 15 | Oct 2025 | €480,000 | 184 m |
| 6 Luttrellpark Crescent, Castleknock, Dublin 15 | Sept 2025 | €519,000 | 209 m |
| 4 Luttrellstown Rise, Luttrellstown, Castleknock | Jul 2025 | €505,000 | 218 m |
| 10 Luttrellpark Crescent, Castleknock, Dublin 15 | Mar 2026 | €595,000 | 222 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 received3 March 2026
- Decision due8 May 2026
- Decision issued30 April 2026
- Appeal submitted20 May 2026
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
Single storey extension to the rear and side of existing property, por
17, Warren Close, Carpenterstown, Dublin 15
FW18B/0016FingalLodged 26 Feb 2018Extension
- Granted30 m away
Proposed single storey front porch extension with associated works
21 Warren Close, Carpenterstown, Dublin 15
FW15B/0086FingalLodged 18 Nov 2015Extension
- Granted40 m away
Permission for proposed single storey front porch extension
23 Warren Close, Carpenterstown, Dublin 15
FW14B/0073FingalLodged 29 Aug 2014Extension
- Granted40 m away
Permission for the conversion of attic space with new dormer roof to t
9 Warren Close, Castleknock, Dublin 15.
FW20B/0139FingalLodged 21 Oct 2020Extension
- Granted50 m away
Single storey extension to side and rear with reparis to external insu
18 Warren Close, Carpenterstown, Dublin 15
FW14B/0088FingalLodged 4 Nov 2014Extension
- Granted80 m away
Retention of change of use from Retail (Xtravision)
Unit 3/4 Carpenterstown Shopping Centre, Carpenterstown Road, Dublin 1
FW13A/0108FingalLodged 27 Sept 2013Retention
- Granted90 m away
The development will consist of the construction of an extension at fi
4 Warren Green, Carpenterstown, Dublin 15
FW14B/0038FingalLodged 23 May 2014Extension
- Granted100 m away
The development will consist of the construction of a new flat roof, single storey extension to rear and side…
1 Warren Crescent, Castleknock, Dublin 15
FW23B/0035FingalLodged 11 Jul 2023Extension
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 to construct a first-floor extension to the side of their dwelling with alterations to the…
No.8 Oakfield Park , Riverstown , Glanmire
2341743Cork CityLodged 30 Jan 2023
- GrantedExtension
Permission to construct a first floor side extension and alterations to the front and side elevations, all to…
Heather Bank Allen Square, Coolfadda Bandon Co.Cork
25/5229corkLodged 25 Jun 2025
- GrantedExtension
Permission to construct a first floor extension to the side of their dwelling and all associated site works
No.5 Glanmire , Glanmire Court , Glanmire
2241094Cork CityLodged 16 May 2022
- GrantedExtension
Permission for the provision of a Single Storey extension to the side and rear elevation of their dwelling
29 Corrib Park , Galway
16147Galway CityLodged 27 May 2016
- GrantedExtension
Permission to construct a single storey extension to the side of the house plus a first floor extension to…
30, Woodstown Way, Woodstown Village, Knocklyon, Dublin 16.
SD06B/0620South DublinLodged 11 Aug 2006
- GrantedExtension
Permission is sought for (1) the provision of a First Floor extension over the existing ground floor…
No. 45 Cookes Terrace , Bohermore
19187Galway CityLodged 27 Jun 2019
Community
Discussion
What local people think about this application.
Community sentiment
No votes yetNobody has voted on this application yet.
Community sentiment — a straw poll of people who visited this page, not a statutory submission. To make a valid observation you must submit it to the planning authority.
Sign in to have your say on this application.
No comments yet. Be the first to say what you think about this application.
Sign in to join the discussion on this application.
Comments are moderated and are the opinions of the people who wrote them. They form no part of the statutory planning process — to make a valid observation you must submit it to the planning authority.