Rockmahon, Newtownpark Avenue, Blackrock, Co. Dublin
Demolition of a front porch and construction of new front and rear extensions with a new pitched roof.
D14B/0339 · Dun Laoghaire Rathdown County Council · Lodged 10 October 2014
- Reference
- D14B/0339
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 10 October 2014
Summary
AI-generatedThe development involves the demolition of a single-storey front porch. It will be replaced with a new front extension, a two-storey rear extension, a new pitched roof over the entire house, and various window and door alterations.
- Storeys
- 2
- Floor area
- 44 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 (a) demolition of single storey porch to front, (b) new 3.90 sqm single storey pitched roof extension to front, (c) new 39.60 sqm two storey pitched roof extension to rear, (d) removal of existing first floor flat roof to rear, (e) new pitched roof to entire house maintaining existing ridge height, (f) alterations to existing window opes to front and rear elevations, including new windows and external doors throughout, (g) blocking up of ground and first floor window ...
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 16 March 2015.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| Ardagh Lodge, Newtownpark Ave, Blackrock | Oct 2025 | €475,000 | 79 m |
| Majella, Newtownpark Ave, Blackrock | Oct 2025 | €1,037,000 | 147 m |
| 10 Granville Rd, Blackrock, Dublin | May 2025 | €1,320,000 | 173 m |
| 5 Knocksinna Wood, Blackrock, Co. Dublin | Jul 2025 | €1,010,000 | 209 m |
| 3 Knocksinna Wood, Blackrock, County Dublin | Mar 2026 | €1,130,000 | 214 m |
| Reendonegan, Granvillle Rd, Blackrock | Apr 2026 | €2,397,500 | 237 m |
| 415 Galloping Green, Stillorgan Rd, Blackrock Dublin 18not full market price | Sept 2025 | €44,000 | 247 m |
| 14 New Park, Whitecross, Blackrock | Dec 2025 | €590,000 | 257 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 received10 October 2014
- Decision issued4 December 2014
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