Planning Permission Ireland
GrantedExtensionDecided 18 February 2022

Brandon, 31 Trees Road Lower, Mount Merrion, Blackrock, Co. Dublin, A94 X6Y7

Demolition of a garage and construction of a single-storey side extension at a house in Mount Merrion.

D21A/1148 · Dun Laoghaire Rathdown County Council · Lodged 22 December 2021

Reference
D21A/1148
Authority
Dun Laoghaire Rathdown County Council
Register status
Decided
Type
Permission
Received
22 December 2021

Summary

AI-generated

The project involves removing an existing detached garage to build a new single-storey side extension. It also includes a new flat-roof front projection, window alterations, widening the vehicular entrance, and retaining the removal of a chimney.

Extensiongarage demolitionextensionentrance
Storey
1

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 proposed development will consist of a) removal of existing detached garage to side, and b) the construction of a new single-storey extension to side of existing dwelling, c) new flat-roof projection to front to tie in with existing, d) 2no new windows to front elevation, e) widening of existing vehicular entrance piers to 3.5m, and all associated site works. Also, retention permission is sought for removal of existing chimney to side of dwelling.

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
31 Trees Rd, Mount Merrion, BlackrockNov 2025€1,740,0008 m
56 Trees Rd, Mount Merrion, BlackrockApr 2025€1,285,00052 m
117 The Rise, Mount Merrion, DublinMar 2025€1,701,00177 m
43 Trees Road, Mount Merrion, Co DublinNov 2025€1,300,000110 m
56 Thornhill Oaks, Mount Merrionprice excludes VATMar 2025€775,330113 m
2 Cherrygarth, Mount Merrionprice excludes VATOct 2025€881,057125 m
63 Thornhill Oaks, Blackrock, Co. DublinMay 2026€870,000161 m
4 Cherry Garth, Mount Merrion, BlackrockAug 2025€1,650,000164 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 2021
  2. Decision issued18 February 2022

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