16 Brompton Grove, Castleknock, Dublin 15, D15 EH5X
Creation of a granny flat within an existing converted garage in Castleknock.
FW22A/0040 · Fingal County Council · Lodged 27 June 2022
- Reference
- FW22A/0040
- Authority
- Fingal County Council
- Register status
- Decided
- Type
- Permission
- Received
- 27 June 2022
Summary
AI-generatedPlanning permission is sought to establish a granny flat within the existing converted garage to the side of the property. The works will adapt the existing structure for semi-independent living.
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
A granny flat within the existing converted garage to the side. 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.
Built — construction complete
A commencement notice records works starting on 5 January 2024.
Notified floor area: 77 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 28 Brompton Lawn, Castleknock, Dublin 15 | Jan 2025 | €631,000 | 89 m |
| 56 Delwood Dr, Castleknock, Dublin 15 | May 2025 | €740,000 | 107 m |
| 12 Brompton Green, Castleknock, Dublin 15 | Jul 2025 | €640,000 | 166 m |
| 27 Maple Ave, Carpenterstown Park, Castleknock Dublin 15 | Apr 2025 | €720,000 | 195 m |
| 23 Brompton Green, Castleknock, Dublin 15 | Jan 2025 | €635,000 | 197 m |
| 19 Brompton Green, Castleknock, Dublin 15not full market price | Dec 2025 | €400,000 | 198 m |
| 157 Roselawn Rd, Castleknock, Dublin 15 | Apr 2025 | €602,000 | 229 m |
| 143 Roselawn Rd, Castleknock, Dublin 15 | May 2025 | €183,333 | 229 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 received27 June 2022
- Further information requested25 April 2022
- Further information received27 June 2022
- Decision due22 July 2022
- Decision issued7 July 2022
- Grant issued16 August 2022
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
Extension to rear of property with two storey element to provide a whe
18 Brompton Grove, Castleknock, Dublin, 15
FW14B/0018FingalLodged 7 Mar 2014Extension
- Granted70 m away
Planning permission for a development at 12 Brompton Court. The work w
12 Brompton Court, Castleknock, Dublin 15
FW11B/0001FingalLodged 13 Jan 2011Alterations
- Granted90 m away
Permission for a detached four bedroom dwelling with parking
1 Brompton Grove, Castleknock, Dublin 15
FW15A/0036FingalLodged 20 Mar 2015New dwelling
- Invalid90 m away
Permission for a detached, four bedroom dwelling with off street parki
1 Brompton Grove, Castleknock, Dublin 15
FW15A/0018FingalLodged 18 Feb 2015New dwelling
- Granted110 m away
Construction of a single stroey front porch
15, Brompton Lawn, Castleknock, Dublin 15, D15 E2YT
FW17B/0099FingalLodged 21 Dec 2017Extension
- Granted150 m away
Permission for construction of new bay window to the front of existing
84 Delwood Drive, Blanchardstown, Dublin 15
FW21B/0049FingalLodged 7 Apr 2021Alterations
- Granted150 m away
Planning permission sought for proposed front living room single storey extension and front study bayed…
85 Delwood Drive, Castleknock, Dublin 15, D15 0ACT
FW23A/0390FingalLodged 19 Dec 2023Extension
- Granted150 m away
The construction of a part single/part two storey, detached three bedr
87, Delwood Drive, Castleknock, Dublin 15
FW22A/0186FingalLodged 24 Aug 2022New dwelling
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
Conversion of existing garage and extension to side to accommodate a new granny flat along with ancillary…
75, Brandon Road, Drimnagh, Dublin 12
WEB1828/20Dublin CityLodged 17 Nov 2020
- GrantedExtension
Conversion of the existing garage and construction of a single storey extension to side of existing house to…
3, Knocklyon Grove, Knocklyon, Dublin 16
SD17B/0298South DublinLodged 7 Nov 2017
- GrantedExtension
Garage conversion to side with additional floor area, for use as a granny flat
125 Kimmage Road West, Dublin 12.
S00B/0242South DublinLodged 23 Jun 2000
- GrantedExtension
Conversion of existing garage to side of house to a self contained granny flat type unit connected to the…
16 Bancroft Grove, Tallaght, Dublin 24.
S01B/0487South DublinLodged 16 Nov 2001
- GrantedExtension
The construction of granny flat to side of existing dwelling house, incorporating the existing garage,…
Glascurram , Ferrybridge , Clarina
2380LimerickLodged 10 Feb 2023
- Awaiting decisionExtension
Partially convert and extend existing domestic garage for use as a granny flat adjacent to existing dwelling,…
Knockaneleigh, Aherla, Co Cork,
225796corkLodged 29 Jul 2022
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.