39, Sycamore Road, Mount Merrion, Blackrock, Dublin, A94R3N8
Demolition of a garage and return, followed by construction of a part one-storey, part two-storey extension and a rear dormer.
D23A/0517 · Dun Laoghaire Rathdown County Council · Lodged 2 August 2023
- Reference
- D23A/0517
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 2 August 2023
Summary
AI-generatedThe development consists of demolishing the existing single-storey side garage and rear return. A new part single-storey, part two-storey extension will be built to the side and rear, alongside a rear dormer extension, new rooflights, and a widened vehicular entrance.
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) the demolition of an existing one-storey garage to the side and a one-storey return to the rear. B) the construction of a part one-storey part two storey extension to the rear and side. C) the construction of a dormer extension on the rear roof slope. D) locating new rooflights on the front and side roof slopes. E) widening the existing vehicular entrance to sycamore road. F) relocating the front entrance door and other amendments to front facade. G) the construction of a bin store in the front garden and other associated landscape works. H) all associated site site works and services.
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.
Built — construction complete
A commencement notice records works starting on 8 August 2024.
Notified floor area: 282 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 29 Sycamore Road, Mount Merrion, Co Dublin | Sept 2025 | €1,785,000 | 61 m |
| 117 The Rise, Mount Merrion, Dublin | Mar 2025 | €1,701,001 | 144 m |
| 31 Trees Rd, Mount Merrion, Blackrock | Nov 2025 | €1,740,000 | 224 m |
| 56 Trees Rd, Mount Merrion, Blackrock | Apr 2025 | €1,285,000 | 232 m |
| 4 Dualla Court, Stillorgan Rd, Stillorgan | Jan 2025 | €485,000 | 254 m |
| Seven Churches, Glendalough, Co Wicklow | Sept 2025 | €351,000 | 257 m |
| 2 Cherrygarth, Mount Merrionprice excludes VAT | Oct 2025 | €881,057 | 283 m |
| 56 Thornhill Oaks, Mount Merrionprice excludes VAT | Mar 2025 | €775,330 | 287 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 received2 August 2023
- Decision due26 September 2023
- Decision issued18 September 2023
- Permission expiry25 October 2026
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Compliance submissionAt this site
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
- Compliance submissionAt this site
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
- 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
- GrantedAt this site
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
- RefusedAt this site
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
- Granted40 m away
Permission is sought for the demolition of an existing glazed conservatory and construction of a new garden…
45, Sycamore Road, Mount Merrion, Co. Dublin
D12B/0314Dún Laoghaire–RathdownLodged 3 Oct 2012Extension
- Granted40 m away
Permission is sought for — Demolition of existing shed to rear and construction of a two-storey (with part…
33, Sycamore Road, Mount Merrion, Co. Dublin
D08A/0599Dún Laoghaire–RathdownLodged 23 May 2008Extension
- Refused40 m away
Part demolition of the existing roof and study room to the side, front of the existing house and construction…
33, Sycamore Road, Mount Merrion, Co. Dublin
D07A/0136Dún Laoghaire–RathdownLodged 31 Jan 2007Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- InvalidExtension
A) Demolition of the existing garage/single-storey extension to side of the existing dwelling. b)…
62, South Park, Foxrock, Dublin 18, D18AE33
D24A/0169Dún Laoghaire–RathdownLodged 15 Mar 2024
- GrantedExtension
Demolition of the existing single storey garage structure to the side; construction of a single storey…
6, Wainsfort Grove, Dublin 6w
SD20B/0270South DublinLodged 30 Sept 2020
- GrantedExtension
Demolition of existing garage to the side of the existing dwelling, Construction of single storey extension…
11, Orchardstown Drive, Dublin 14
SD24B/0167South DublinLodged 18 Jul 2024
- GrantedExtension
Demolition of an existing single storey garage to the side of the existing house — The construction of a new…
29, Silchester Park, Glenageary, Dublin, A96D6E5
D24A/0098Dún Laoghaire–RathdownLodged 22 Feb 2024
- GrantedExtension
Demolition of the existing ground floor garage to the side, shed & boiler house to the rear, first floor roof…
36, College Crescent, Dublin 6w
SD20B/0158South DublinLodged 14 May 2020
- GrantedExtension
Demolition of existing single-storey garage to side. Construction of new single-storey extension to rear with…
46, Saint Aidan's Drive, Goatstown, Dublin 14, D14PP80
D25A/0513/WEBDún Laoghaire–RathdownLodged 30 Jun 2025
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