43 Sycamore Avenue, Castleknock, Dublin 15, D15 XE1X
Attic conversion with a new rear dormer window.
FW20B/0171 · Fingal County Council · Lodged 4 December 2020
- Reference
- FW20B/0171
- Authority
- Fingal County Council
- Register status
- Decided
- Type
- Permission
- Received
- 4 December 2020
Summary
AI-generatedPlanning permission is sought for an attic conversion to the existing house. The works will include the installation of a new dormer window to the rear.
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 an attic conversion to include a dormer window at the r
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 7 April 2021.
Notified floor area: 38 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 45 Sycamore Ave, Carpenterstown Park, Dublin 15 | Dec 2025 | €515,000 | 13 m |
| 47a Sycamore Avenue, Castleknock, Dublin 15 | Nov 2025 | €665,000 | 54 m |
| 33 Sycamore Lawn, Carpenterstown, Dublin | Jan 2025 | €465,000 | 58 m |
| 4 Sycamore Lawns, Castleknock, Dublin 15 | Nov 2025 | €493,000 | 96 m |
| 36 Sycamore Ave, Carpenterstown, Castleknock Dublin 15 | Jul 2025 | €999,100 | 108 m |
| 10 Maple Close, Castleknock, Dublin 15 | Aug 2025 | €625,000 | 125 m |
| 6 Oaktree Grove, Castleknock, Dublin 15 | Jan 2025 | €667,500 | 125 m |
| 7 Maple Grove, Castleknock, Dublin 15 | Jan 2025 | €480,000 | 144 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 received4 December 2020
- Decision due5 February 2021
- Decision issued4 February 2021
- Grant issued15 March 2021
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted50 m away
Retention permission for (a) increased roof ridge height and consequen
37 Sycamore Avenue, Castleknock, Dublin 15
FW15B/0041FingalLodged 23 Jun 2015Retention
- Refused50 m away
Permission is sought for the construction of a part single/part two st
47 Sycamore Avenue, Castleknock, Dublin 15, D15 AFA05
FW20A/0060FingalLodged 24 Apr 2020Extension
- Refused50 m away
Permission is sought for the construction of a part single/part two st
47 Sycamore Avenue, Castleknock, Dublin 15, D15 AFA3
FW19A/0213FingalLodged 11 Dec 2019Extension
- Refused60 m away
To construct a two-storey dwelling, site entrance, connection to water
47 Sycamore Avenue, Carpenterstown, Dublin 15
FW19A/0033FingalLodged 27 Feb 2019New dwelling
- Refused60 m away
Demolition of an existing garage to allow for a proposed 2 storey, 3 b
37 Sycamore Avenue, Castleknock, Dublin 15
FW18A/0127FingalLodged 24 Aug 2018New dwelling
- Refused60 m away
Proposed demolition of an existing garage to allow for a Proosed 2 Sto
37 Sycamore Avenue, Castleknock, Dublin 15
FW19A/0062FingalLodged 10 Apr 2019Demolition
- Withdrawn60 m away
The development will consist of, proposed changes to previously approv
37 Sycamore Avenue, Castleknock, Dublin 15
FW22A/0052FingalLodged 21 Mar 2022Alterations
- Granted60 m away
Retention Permission for development at this site. The development con
37a Sycamore Avenue, Castleknock, Dublin 15, D15 VXK6
FW25A/0201EFingalLodged 8 May 2025Retention
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 for an attic conversion to include a dormer window structur
11, Warrenstown Place, Blanchardstown, Dublin 15
FW21B/0182FingalLodged 20 Dec 2021
- GrantedExtension
Permission for attic conversion with dormer window to rear
7 Warren Green, Baldoyle, Dublin 13
F21B/0361FingalLodged 28 Oct 2021
- GrantedExtension
Permission for an attic conversion which includes installing a dormer
16 River Valley Court, Swords, Co Dublin
F20B/0250FingalLodged 8 Oct 2020
- GrantedExtension
Permission for an attic conversion and construction of rear dormer window
Townparks, Wexford Urban No. 2
20231149WexfordLodged 25 Sept 2023
- RefusedExtension
Permission sought for an attic conversion to include a dormer window s
60 Beechfield Heights, Castaheany, Dublin 15, D15 C8P2
FW18B/0136FingalLodged 13 Dec 2018
- InvalidExtension
Permission for proposed attic spaceconversion with dormer window to re
9 Riverwood Park, Castleknock, Dublin 15
FW14B/0020FingalLodged 26 Mar 2014
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.