45, Sycamore Road, Mount Merrion, Co. Dublin
Demolition of a conservatory to build a new garden room, and retention of an enclosed front porch and canopy.
D12B/0314 · Dun Laoghaire Rathdown County Council · Lodged 3 October 2012
- Reference
- D12B/0314
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 3 October 2012
Summary
AI-generatedPermission is sought to demolish an existing glazed conservatory and construct a new 7 sq m garden room. The application also seeks retention permission for an existing 2.3 sq m enclosed front porch and a tiled canopy.
- Floor area
- 9 m²
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 for the demolition of an existing glazed conservatory and construction of a new garden room with an additional 7m2 floor area. The application also seeks retention permission for an enclosed porch consisting of an additional 2.3m2 floor area and a tiled canopy to the front of the property.
Land-use zoning
What this land is zoned for
“A To provide residential development and improve residential amenity while protecting the existing residential amenities”
Objective set by the 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 |
|---|---|---|---|
| 29 Sycamore Road, Mount Merrion, Co Dublin | Sept 2025 | €1,785,000 | 97 m |
| 117 The Rise, Mount Merrion, Dublin | Mar 2025 | €1,701,001 | 138 m |
| 31 Trees Rd, Mount Merrion, Blackrock | Nov 2025 | €1,740,000 | 212 m |
| 56 Trees Rd, Mount Merrion, Blackrock | Apr 2025 | €1,285,000 | 213 m |
| 2 Cherrygarth, Mount Merrionprice excludes VAT | Oct 2025 | €881,057 | 257 m |
| 56 Thornhill Oaks, Mount Merrionprice excludes VAT | Mar 2025 | €775,330 | 263 m |
| 4 Dualla Court, Stillorgan Rd, Stillorgan | Jan 2025 | €485,000 | 272 m |
| 4 Cherry Garth, Mount Merrion, Blackrock | Aug 2025 | €1,650,000 | 280 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 October 2012
- Decision issued22 November 2012
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
Permission is sought for a part single storey/ part two storey extension to the rear and side (above garage)…
41, Sycamore Road, Mount Merrion, Co Dublin
D07B/1032Dún Laoghaire–RathdownLodged 21 Dec 2007Extension
- Compliance submission40 m away
Compliance with Condition No. 4 of Reg. Ref. D23A/0517
39, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94R3N8
D23A/0517/C1Dún Laoghaire–RathdownLodged 10 Jan 2024Other
- Compliance submission40 m away
Compliance with Condition No. 6 of Reg. Ref. D23A/0517
39, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94R3N8
D23A/0517/C2Dún Laoghaire–RathdownLodged 16 Jan 2025Other
- Granted40 m away
A) The demolition of an existing one-storey garage to the side and a one-storey return to the rear. B) The…
39, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94R3N8
D23A/0517Dún Laoghaire–RathdownLodged 2 Aug 2023Extension
- Granted40 m away
The applicants intend to apply for permission for the development of an existing semi-detached dwelling at…
51, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94K8X7
D25A/0121/WEBDún Laoghaire–RathdownLodged 18 Feb 2025Extension
- Granted50 m away
Demolition of a pitched and hipped roofed single storey extension to rear of house, the conversion and…
37, Sycamore Road, Mount Merrion, Co. Dublin
D08B/0271Dún Laoghaire–RathdownLodged 11 Apr 2008Extension
- Refused50 m away
For the demolition of a pitched and hipped roofed single storey extension to rear of house, the conversion…
37, Sycamore Road, Mount Merrion, Co. Dublin
D06B/0910Dún Laoghaire–RathdownLodged 11 Oct 2006Extension
- Awaiting decision60 m away
The development will consist of the renovation and extension of existing 2-storey semi-detached house to…
42, Sycamore Road, Mount Merrion, Blackrock, Co. Dublin, A94Y1T0
D26B/0401/WEBDún Laoghaire–RathdownLodged 14 Jul 2026Extension
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 is sought for the demolition of single storey conservatory and outbuildings to rear,…
71 The Rise, Mount Merrion, Blackrock, Co Dublin
D22A/0737Dún Laoghaire–RathdownLodged 4 Oct 2022
- GrantedExtension
Retention permission for a garden room incorporating workspace/store and sitting area. Permission for the…
No. 7 Aisling Geal , Station Road , Blarney
2543615Cork CityLodged 5 Feb 2025
- GrantedRetention
Permission for Retention of unauthorised single storey kitchen and utility room extension to side and rear.…
Fairholme, Westminster Road, Foxrock, Dublin 18
D18A/0342Dún Laoghaire–RathdownLodged 17 Apr 2018
- GrantedExtension
Permission for demolition of existing conservatory and for permission to carry out alterations and single…
Abbeystrewry, Skibbereen, Co. Cork,
21556corkLodged 10 Aug 2021
- GrantedAlterations
Permission for; removal of existing non-original conservatory extension (18.5 sqm) and construction of new…
Belmont House, The Hill, Monkstown, Co Dublin (A Protected Structure)
D15A/0376Dún Laoghaire–RathdownLodged 4 Jun 2015
- GrantedExtension
Permission sought for retention of utility room at rear, demolition of conservatory at rear, construction of…
1, College Park Grove, Ballinteer, Dublin 16
D07B/0143Dún Laoghaire–RathdownLodged 16 Feb 2007
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