Planning Permission Ireland
GrantedExtensionDecided 19 February 2026

53, Stillorgan Park, Stillorgan, Co. Dublin, A94E170

Extension and renovation of a house in Stillorgan, including a new roof profile, dormer, and garage conversion.

D25A/0977/WEB · Dun Laoghaire Rathdown County Council · Lodged 18 December 2025

Reference
D25A/0977/WEB
Authority
Dun Laoghaire Rathdown County Council
Register status
Decided
Type
Permission
Received
18 December 2025

Summary

AI-generated

The development consists of demolishing a rear shed and chimney, altering the roof profile to add a dormer and rooflights, and adding a single-storey rear extension. It also includes converting the garage to habitable space, applying external insulation, and modifying the driveway entrance.

Extensionextensionrenovationdormergarage conversion

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

The development will consist of - demolishing the rear shed; demolishing the chimney; full re-roof, including altering the roof profile to align more closely with neighbouring properties, adding a dormer roof and adding rooflights; providing non-habitable space in the attic; adding external insulation to the existing house, altering the external finishes; adding a single storey extension to the rear; altering, blocking-up, and making new openings on all elevations; making the garage habitable space; adjusting the front driveway entrance, including adding new piers and a gate; landscaping works to the front and rear; 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
Residential Property Price Register sales within 500 metres of this site
AddressDatePriceDistance
53 Stillorgan Park, Blackrock, DublinOct 2025€1,325,0003 m
50 Stillorgan Park, Blackrock, Co DublinApr 2025€1,630,00053 m
El Jadida, Stillorgan Park, BlackrockMay 2026€1,730,000106 m
41 Cloister Ave, Blackrock, DublinFeb 2025€853,000116 m
43 Cloister Ave, Blackrock, DublinFeb 2026€826,500127 m
18 Cloister Ave, Blackrock, DublinOct 2025€700,000136 m
14 Coppinger Wood, Stillorgan Park, BlackrockSept 2025€1,050,000152 m
41 Stillorgan Park, Blackrock, DublinJul 2025€2,806,000163 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

  1. Application received18 December 2025
  2. Decision due20 February 2026
  3. Decision issued19 February 2026

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