20, Castlefield Court, Dublin 16
Attic conversion with a Dutch-style roof structure, rear dormer, and side gable extension.
SD24B/0106 · South Dublin County Council · Lodged 15 March 2024
- Reference
- SD24B/0106
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Permission
- Received
- 15 March 2024
Summary
AI-generatedThe project involves extending the existing roof to form a Dutch-type roof structure, adding a rear dormer, and extending the side gable up to the new soffit level. The attic will be converted into a non-habitable floor area.
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
Planning permission sought for to extend the existing concrete ridge tiles & roof tiled to form a new dutch type roof structure: new rooflight to front tiled roof: new dormer roof structure to rear tiled roof: extend existing side gable structure up to new soffit level with new window in new gable structure: conversion of existing attic area in to a new non habitable floor area: internal alterations : external finishes to match existing & associate site works
Land-use zoning
What this land is zoned for
“To protect and/or improve residential amenity”
National zoning type: Existing residential
Objective set by the South Dublin County 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.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 32 Castlefield Court, Castlefield Manor, Knocklyon Dublin 16 | Jul 2025 | €571,000 | 59 m |
| Apt 5 Prospect Lodge, Knocklyn Road, Dublin 16 | Jun 2025 | €330,000 | 188 m |
| Hillside, Old Knocklyon Rd, Knocklyon Dublin 16 | Apr 2025 | €630,000 | 216 m |
| 38 Knockfield Manor, Knocklyon, Dublin 16 | Oct 2025 | €975,000 | 224 m |
| 1 Monalea Grove, Firhouse, Ballycullen Rd | Apr 2025 | €575,000 | 229 m |
| 47 Glenvara Park, Knocklyon, Dublin 16 | Mar 2026 | €617,963 | 230 m |
| 1 Monalea Park, Firhouse, Dublin 24 | Jan 2026 | €600,000 | 245 m |
| 33a Monalea Grove, Firhouse, Dublin 24 | Feb 2025 | €670,000 | 256 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 received15 March 2024
- Decision due9 May 2024
- Decision issued3 May 2024
- Permission expiry9 June 2029
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
Conversion of existing attic space comprising of modification of existing roof structure; raising of existing…
24, Castlefield Court, Knocklyon, Dublin 16
SD21B/0608South DublinLodged 3 Dec 2021Extension
- RefusedAt this site
Detached two storey type dwelling on vacant site with seperate entrance, windows with obscure glass facing…
Site adjacent to 24, Castlefield Court, Knocklyon, Dublin 16
SD06A/1030South DublinLodged 1 Dec 2006New dwelling
- GrantedAt this site
Detached two storey dwelling on vacant site with seperate entrance, windows with obscure glass facing onto…
Site adjacent to, 24, Castlefield Court, Knocklyon, Dublin 16
SD07A/0299South DublinLodged 26 Apr 2007New dwelling
- InvalidAt this site
(a) The proposed retention consists of constructed 19.5sqm floor base of proposed sun room to rear of…
24A, Castlefield Court, Knocklyon, Dublin 16
SD07B/0867South DublinLodged 18 Oct 2007Extension
- RefusedAt this site
(a) Retention of constructed 19.5sq.m. floor base of proposed sunroom to rear of existing detached 2 storey…
24A, Castlefield Court, Knocklyon, Dublin 16
SD07B/0996South DublinLodged 12 Dec 2007Extension
- Granted40 m away
Single storey extension at rear
26 Castlefield Court, Knocklyon, Dublin 16.
SD17B/0255South DublinLodged 18 Jul 2017Extension
- Granted40 m away
Study/playroom infill extension to west side of house, including new 'Velux' rooflight; and new infill…
10, Castlefield Orchard, Knocklyon, Dublin 16
SD21B/0144South DublinLodged 24 May 2021Extension
- Granted50 m away
11 No. of dwellings, consisting of 9 No. 2/3 bedroom terraced houses (house Nos 1-9) and 2 No. 3 bedroom…
Castlefield Avenue, Knocklyon, Dublin 16.
S01A/0348South DublinLodged 17 Sept 2001Housing estate
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
Planning permission Sought for to extend existing concrete ridge tiles and tiled roof to form a new Dutch…
108, Aylmer Road, Dublin 22, Dublin
SD22B/0427South DublinLodged 26 Sept 2022
- GrantedExtension
Planning permission sought to extend the existing ridge line & roof tiles to form new dutch type roof…
12, Liffey Way, Liffey Valley Park, Lucan, Co. Dublin
SD23B/0202South DublinLodged 8 May 2023
- GrantedExtension
Extend the existing ridge line & roof tiles to form a new dutch type roof structure; new dormer structure to…
69, Ferncourt Green, Old Court Road, Dublin 24
SD23B/0114South DublinLodged 16 Mar 2023
- GrantedAlterations
Planning permission sought for to demolish existing chimney stack to first floor Ceiling: remove existing…
399, Orwell Park Drive, Dublin 6w
SD23B/0354South DublinLodged 19 Dec 2023
- GrantedExtension
Extend the existing ridge line to form a new 'Dutch' type roof structure with roof tiles to match existing;…
6, Domville Road, Dublin 6w
SD20B/0504South DublinLodged 15 Dec 2020
- GrantedExtension
Extend the existing ridge tiles & tiled roof to form a 'Dutch' type tiled roof & extend the existing…
25, Woodstown Meadows, Dublin 16
SD17B/0222South DublinLodged 20 Jun 2017
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