Planning Permission Ireland
GrantedExtensionDecided 10 November 2025

1, Saint Fintan's Villas, Deansgrange, Blackrock, Dublin, A94HF95

Demolition of part of a rear extension and construction of a new two-storey rear extension.

D25B/0510/WEB · Dun Laoghaire Rathdown County Council · Lodged 16 September 2025

Reference
D25B/0510/WEB
Authority
Dun Laoghaire Rathdown County Council
Register status
Decided
Type
Permission
Received
16 September 2025

Summary

AI-generated

The development consists of the demolition of an 11.6 sqm portion of the existing ground floor rear extension, followed by the construction of a new two-storey extension to the rear of the existing dwelling.

Extensionextensiondemolitiontwo storey
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 demolition of an 11.6 sq/m portion of existing rear ground floor extension
  • Permission for construction of a new 2-storey extension to the rear of existing dwelling 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
3 St Fintans Villas, Deans Grange, DublinMar 2026€525,0007 m
7 St Fintans Villas, Deans Grange, BlackrockJun 2026€725,00038 m
4 St Fintans Park, Deans Grange, BlackrockFeb 2025€552,00074 m
33 St Fintans Park, Deans Grange, BlackrockDec 2025€570,00087 m
14 St Fintan'S Villas, Deansgrange, BlackrockApr 2026€480,00095 m
16 St Fintans Villas, Deans Grange, Blackrockprice excludes VATJan 2026€1,092,511105 m
17 Deansgrange Road, Blackrock, Co DublinAug 2025€1,020,000118 m
Rock View, Deans Grange Rd, BlackrockJun 2026€1,142,500148 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 received16 September 2025
  2. Decision due10 November 2025
  3. Decision issued10 November 2025

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