GrantedExtensionDecided 2 September 2020

Ashleigh Cottage, 24 Stillorgan Park, Blackrock, Co. Dublin.

Demolition of a rear extension and construction of a new single and double-storey rear extension with attic conversion.

D20A/0483 · Dun Laoghaire Rathdown County Council · Lodged 10 July 2020

Reference: D20A/0483
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 10 July 2020

Summary

AI-generated

The project involves demolishing an existing two-storey rear extension and removing the main roof. A new roof with an increased ridge height will be built to accommodate attic living space with two front dormers, alongside a new single and double-storey rear extension.

Extensionextensionattic conversiondormer

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 for development. The development will consist of: demolition of existing double storey rear extension. Removal of existing main roof. Construction of proposed main roof including increasing ridge height to accommodate habitable space within attic with 2no. Proposed dormer windows to front. Construction of single storey and double storey extension to rear with flat roof & 4no. Rooflights. Alterations to glazing on ground floor on north facade. Internal modifications and all ancillar...

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

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
Ashleigh Cottage, Stillorgan Park, Blackrock	Jul 2025	€1,225,500	2 m
Rhus Lodge, 17 Stillorgan Park, Blackrock	Jun 2025	€1,460,000	79 m
6 Fleurville, Carysfort Avenue, Blackrock	Feb 2025	€655,000	112 m
13 Fleurville, Blackrock, Carysfort Ave	Jan 2026	€632,000	139 m
6 Hawthorn Manor, Blackrock, Dublin	Jul 2025	€705,000	163 m
2 Obelisk Walk, St Augustines Park, Carysfort Ave	Feb 2025	€555,000	177 m
1 Obelisk Ave, Blackrock, Dublin	Dec 2025	€625,000	180 m
6 Carysfort, Ard Na Glaise, Stillorgan Park Stillorganprice excludes VAT	Apr 2025	€303,965	183 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 July 2020
Decision issued2 September 2020

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