77 South Avenue, Mount Merrion, Blackrock, County Dublin
First-floor extension to add two bedrooms, attic alterations, and a new rear dormer roof.
D20A/0453 · Dun Laoghaire Rathdown County Council · Lodged 4 September 2020
- Reference
- D20A/0453
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 4 September 2020
Summary
AI-generatedThe project consists of a first-floor extension over an existing single-storey flat roof to add two bedrooms. It also includes alterations to the attic with a new rear dormer roof, new roof lights, front PV panels, and three new gable windows.
- 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
Permission is sought for development consisting of first floor extension and associated alterations to elevations, comprising two additional bedrooms over existing single storey flat roof, alterations to attic accommodation and new dormer attic roof to the rear (east elevation), new roof lights and pv panels to the front (west elevation), three number windows to the gable elevation (north elevation) and associated internal alterations and site works.
Built & 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 30 July 2021.
Notified floor area: 53 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 66 South Ave, Mount Merrion, Dublin | Feb 2025 | €1,255,000 | 53 m |
| 64 South Ave, Mount Merrion, Dublin | Mar 2026 | €1,390,000 | 55 m |
| 43 Trees Road, Mount Merrion, Co Dublin | Nov 2025 | €1,300,000 | 85 m |
| 49 Cedarmount Rd, Mount Merrion, Blackrock | Aug 2025 | €830,000 | 131 m |
| 31 Trees Rd, Mount Merrion, Blackrock | Nov 2025 | €1,740,000 | 145 m |
| 56 Glenabbey Rd, Mount Merrion, Dublin | Jan 2025 | €1,315,000 | 148 m |
| 35 Cedarmount Rd, Mount Merrion, Blackrock | Mar 2026 | €880,000 | 169 m |
| 62 Thornhill Oaks, Blackrock, Co. Dublinprice excludes VAT | Mar 2026 | €859,031 | 180 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 received4 September 2020
- Decision issued29 September 2020
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