GrantedNew dwellingDecided 24 March 2016

Saint Penryst, 6 Saint Thomas Road, Mount Merrion, Blackrock, Co Dublin

Demolition of a two-storey house and garage to build a new replacement two-storey house with a dormer roof level in Mount Merrion.

D15A/0855 · Dun Laoghaire Rathdown County Council · Lodged 8 March 2016

Reference: D15A/0855
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 8 March 2016

Summary

AI-generated

The development involves the demolition of the existing two-storey dwelling and attached garage. In its place, a new replacement two-storey house with a dormer roof level, plant room, and garden store will be constructed. The project also includes a new vehicular entrance and boundary wall upgrades.

New dwellingdemolitionreplacement dwellingsuburban

Storeys: 3

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 existing 2 storey dwelling house and attached garage and construction of new replacement two storey with dormer roof level house, plant room and garden store. Alterations to existing front boundary with new vehicular entrance, upgrading all perimeter site boundary walls, all associated site works and services including landscaping to front, side and rear gardens.

Built & sold

What happened next

Beyond the decision: whether this development was built, and what property here has sold for.

Built — construction complete

A commencement notice records works starting on 20 October 2016. A completion certificate was lodged on 18 October 2017.

Recent sales nearby

within 500 m

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
14 St Thomas Road, Mount Merrion, Blackrock	Jul 2025	€1,750,000	63 m
Apartments 1-11, Fitzwilliam Court, The Rise Mount Merrion	Dec 2025	€4,400,000	129 m
Apartment 4 Greygates, Roebuck Ave, Mount Merrionprice excludes VAT	Jan 2026	€190,000	163 m
5 Greygates, Stillorgan Road, Mount Merrion	Jun 2025	€1,690,000	178 m
12 Foster Ave, Mt Merrion, Dublin	Oct 2025	€1,410,000	189 m
32 St Thomas Rd, Mount Merrion, Dublin	Mar 2025	€1,900,000	198 m
Apartment No. 7, Greysgate Hall, Mount Merrion	Jan 2025	€640,000	267 m
Apartment 9 Greygates, Roebuck Ave, Mount Merrionprice excludes VAT	Jan 2026	€190,000	274 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

Application received8 March 2016
Decision issued24 March 2016

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