43 Mount Symon Dale, Clonsilla, Dublin 15, D15P0K5
Demolition of existing extensions and construction of new front, side, and rear extensions with a roof conversion.
FW25A/0488E · Fingal County Council · Lodged 18 November 2025
- Reference
- FW25A/0488E
- Authority
- Fingal County Council
- Register status
- Decided
- Type
- Permission
- Received
- 18 November 2025
Summary
AI-generatedThe project involves demolishing the existing front bay window, porch canopy, and rear extension. In their place, a part single-storey, part two-storey front extension and a part single-storey, part two-storey flat roof extension to the side and rear will be built. The hip roof will be converted to a gable roof to facilitate an attic store, and a new vehicular entrance will be created.
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 is sought to demolish existing front two storey bay window and single storey porch canopy along with existing single storey rear extension, to form new pedestrian door opening and door to existing boundary wall to ongar road and to construct part single storey part two storey front extension with bay window and new entrance hallway and part single storey part two storey flat roof extension to rear and side and to convert existing hip roof to gable roof and convert attic to store and to form new vehicular entrance. Additional information received 17/06/2026
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 |
|---|---|---|---|
| 23 Mount Symon Dale, Clonsilla, Dublin 15 | Aug 2025 | €480,000 | 75 m |
| 74 Allendale Sq, Clonsilla, Dublin 15 | May 2025 | €347,000 | 85 m |
| 78 Allendale Sq, Clonsilla, Dublin 15 | Dec 2025 | €362,500 | 85 m |
| 8 Stonebridge Dr, Clonsilla, Dublin 15 | Jan 2026 | €380,000 | 98 m |
| 91 Allendale Sq, Clonsilla, Dublin 15 | Feb 2026 | €316,000 | 124 m |
| 14 Mount Symon Green, Clonsilla, Dublin 15 | Oct 2025 | €562,000 | 164 m |
| 17 Mount Symon Green, Clonsilla, Dublin 15not full market price | Apr 2026 | €185,000 | 165 m |
| 49 Stonebridge Ave, Clonsilla, Dublin 15 | Jan 2026 | €400,000 | 169 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 received18 November 2025
- Decision due14 July 2026
- Decision issued13 July 2026
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Awaiting decision30 m away
The development will consist of single storey extension to rear, alterations to the existing hip roof to…
35 Mount Symon Dale, Clonsilla, Dublin 15, D15 A3V1
FW26A/0232EFingalLodged 8 Jun 2026Extension
- Granted50 m away
Single storey extension to the rear, an attic conversion, and extensio
31 Mount Symon Dale, Clonsilla, Dublin 15
FW19B/0135FingalLodged 31 Oct 2019Extension
- Granted60 m away
A new attic dormer roof extension to rear of 2 storey end terrace dwel
63 Allendale Square, Clonsilla, Dublin 15, D15 C6V6
FW25A/0396EFingalLodged 16 Sept 2025Extension
- Granted70 m away
The development consists of conversion of attic space with extension o
25 Mount Symon Dale, Clonsilla, Dublin 15
FW20B/0035FingalLodged 3 Mar 2020Extension
- Granted70 m away
Permission for a new hip roof with build up of gable wall
27 Mount Symon Crescent, Clonsilla, Dublin 15
FW13B/0004FingalLodged 5 Feb 2013Alterations
- Invalid80 m away
The development will consist of widening the existing vehicular entrance at the front of the property to 4m…
19 Mount Symon Crescent, Clonsilla, Dublin 15, D15 WK8P
FW26A/0218EFingalLodged 2 Jun 2026Extension
- Awaiting decision80 m away
The development will consist of widening the existing vehicular entrance at the front of the property to 4m…
19 Mount Symon Crescent, Clonsilla, Dublin 15, D15 WK8P
FW26A/0244EFingalLodged 15 Jun 2026Extension
- Granted80 m away
Permission for a single storey extension to the rear and side incorpor
21 Mount Symon Dale, Clonsilla, Dublin 15
FW21A/0201FingalLodged 26 Oct 2021Extension
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 is sought for; (A) the demolition of existing garage/single storey extension to the side. (B) The…
120, Trees Road Upper, Mount Merrion, Co. Dublin
D12B/0043Dún Laoghaire–RathdownLodged 10 Feb 2012
- GrantedExtension
Permission is sought to demolish existing garage to side and utility extension to rear. Construct two storey…
The Elms, 102, Roebuck Road, Clonskeagh, Dublin 14
D09A/0573Dún Laoghaire–RathdownLodged 31 Jul 2009
- GrantedExtension
Permission for development that will consist of demolition of existing porch, chimney breast and side garage.…
Moza 1 Blackbush Lane Sunnyside , Drogheda Co Louth
21875LouthLodged 14 Jul 2021
- GrantedExtension
Permission for demolition of the existing porch extension, garage conversion, side and rear extensions and…
24 Allen Park Road, Stillorgan, Co Dublin
D14A/0813Dún Laoghaire–RathdownLodged 12 Dec 2014
- GrantedExtension
Permission is sought for, (a) demolition of existing garage/single storey extension to side; (b) construction…
45, Slieve Rua Drive, Kilmacud, Co. Dublin
D12A/0321Dún Laoghaire–RathdownLodged 21 Aug 2012
- GrantedExtension
Permission sought for alteration and extension to existing house to include (a) demolition of existing side…
54, Cherrygarth, Mount Merrion, Co Dublin, A94R3H9
D20B/0378Dún Laoghaire–RathdownLodged 23 Nov 2020
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.