Planning Permission Ireland
RefusedExtensionDecided 20 February 2026

40, Sweetbriar Lane, Kilmacud, Dublin 14, D14WN56

Demolition of rear roof and construction of a 31 sqm rear dormer extension for an attic conversion.

D25B/0730/WEB · Dun Laoghaire Rathdown County Council · Lodged 22 December 2025

Reference
D25B/0730/WEB
Authority
Dun Laoghaire Rathdown County Council
Register status
Decided
Type
Permission
Received
22 December 2025

Summary

AI-generated

The development consists of the partial demolition of the rear roof, chimney, and walls. It will construct a 31 sqm dormer extension to the rear pitch to facilitate an attic conversion containing a bedroom, bathroom, and walk-in wardrobe, alongside raising the rear external walls.

Extensiondormerattic conversionextension
Floor area
31 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

The development will consist of (a) demolition to include (i) removal of rear pitch of existing roof and chimney, (ii) partial removal of external and internal walls to accommodate proposed works. (b) construction of (i) alterations to the existing roof to facilitate conversion of the roofspace, including the construction of 31 sqm dormer extension to the rear pitch. The attic will compromise a bedroom, bathroom and walk in wardrobe; (ii) raised external walls to the rear (east) elevation to match the eaves of the front elevation; (iii) reconfiguration of the gable wall to accommodate the new roof; (iv) two new windows to east elevation. (c) 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
61 Woodley Park, Kilmacud, Dublin 14Mar 2025€770,00066 m
21 Sweetbriar Lane, Kilmacud, Dublin 14Oct 2025€782,50079 m
191 Kilmacud Road Upper, Stillorgan, DublinJun 2025€735,00090 m
52 Woodley Park, Kilmacud, Dublin 14Sept 2025€865,000138 m
183 Kilmacud Road Upper, Stilorgan, County DublinJan 2025€948,000148 m
3 Sweetbriar Lane, Kilmacud, Dublin 14Mar 2026€765,000159 m
2 Stillorgan Gate, Upper Kilmacud Road, StillorganNov 2025€1,205,000170 m
Woodley Park House, Kilmacud Road Upper, Dublin 14Jan 2026€1,925,000185 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 received22 December 2025
  2. Decision due24 February 2026
  3. Decision issued20 February 2026

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