Planning Permission Ireland
InvalidExtensionDecided 26 January 2026

5, Leopardstown Park, Stillorgan, Co. Dublin, A94K274

Ground and first-floor extensions and internal alterations to a house in Stillorgan.

D26B/0029/WEB · Dun Laoghaire Rathdown County Council · Lodged 14 January 2026

Reference
D26B/0029/WEB
Authority
Dun Laoghaire Rathdown County Council
Register status
Decided
Type
Permission
Received
14 January 2026

Summary

AI-generated

The development consists of a ground-floor flat-roof rear extension, an extension to the front entrance hall and office/bedroom, and a first-floor extension above the existing garage. Works also include the demolition of a chimney and a rear single-storey shed.

Extensionextensiondemolition

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
  • The construction of a ground floor flat roof extension with rooflights to the rear of the house
  • Extension of front entrance hall and proposed office/bedroom
  • The construction of a first floor extension above existing garage
  • Works to include the demolition of one chimney and rear single storey shed, internal alterations along with 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
5 Leopardstown Park, Stillorgan, DublinDec 2025€910,0007 m
13 Leopardstown Park, Blackrock, DublinMar 2025€860,00046 m
6 Leopardstown Drive, Blackrock, Co DublinDec 2025€830,00095 m
14 Leopardstown Park, Blackrock, Co DublinFeb 2026€1,041,75596 m
20 Leopardstown Drive, Blackrock, County DublinMar 2025€780,000168 m
41 Leopardstown Park, Blackrock, DublinJan 2026€1,150,000196 m
27 Leopardstown Dr, Blackrock, DublinJun 2026€941,503242 m
63 Leopardstown Park, Stillorgan, BlackrockMar 2025€905,000294 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 received14 January 2026
  2. Decision due18 March 2026
  3. Decision issued26 January 2026

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