100, The Rise, Mount Merrion, Blackrock, Co. Dublin, A94N7Y3
Demolition of a chimney and construction of a two-storey rear extension in Mount Merrion.
D26A/0346/WEB · Dun Laoghaire Rathdown County Council · Lodged 7 May 2026
- Reference
- D26A/0346/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 7 May 2026
Summary
AI-generatedThe development consists of demolishing an existing rear chimney and constructing a new two-storey extension and a single-storey extension to the rear. It also includes roof alterations, a new side rooflight, driveway modifications, and a new boundary wall.
- Storeys
- 2
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
- Demolition to existing chimney to the rear
- Proposed two story extension to the rear with pitched roof also a single story extension with pitched roof and roof lights
- Proposed extension of pitched roof to the rear
- Proposed roof light to the side southwest elevation
- Proposed alterations to driveway including raising of driveway, new steps, and new boundary wall
- Proposed alterations to all elevations, minor internal alterations, and all associated site works
Built & 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 |
|---|---|---|---|
| 117 The Rise, Mount Merrion, Dublin | Mar 2025 | €1,701,001 | 74 m |
| 29 Sycamore Road, Mount Merrion, Co Dublin | Sept 2025 | €1,785,000 | 105 m |
| 31 Trees Rd, Mount Merrion, Blackrock | Nov 2025 | €1,740,000 | 157 m |
| 56 Trees Rd, Mount Merrion, Blackrock | Apr 2025 | €1,285,000 | 173 m |
| 2 Cherrygarth, Mount Merrionprice excludes VAT | Oct 2025 | €881,057 | 233 m |
| 56 Thornhill Oaks, Mount Merrionprice excludes VAT | Mar 2025 | €775,330 | 233 m |
| Seven Churches, Glendalough, Co Wicklow | Sept 2025 | €351,000 | 241 m |
| 43 Trees Road, Mount Merrion, Co Dublin | Nov 2025 | €1,300,000 | 252 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 received7 May 2026
- Decision due1 July 2026
- Decision issued26 June 2026
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