GrantedExtensionDecided 23 November 2012

3, Martello Terrace, Williamstown, Blackrock, Co. Dublin

Demolition of a rear extension to build a new single-storey extension with a first-floor roof terrace, plus roof lights and a solar panel.

D12B/0308 · Dun Laoghaire Rathdown County Council · Lodged 1 October 2012

Reference: D12B/0308
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 1 October 2012

Summary

AI-generated

The project involves the demolition of an existing rear extension to construct a new single-storey extension featuring a first-floor roof terrace. It also includes installing two rear roof lights, one rear solar panel, and a new first-floor window on the front facade.

Extensionextensiondemolitionroof terracesolar

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 is sought for development which will consist of; a) demolition of existing extension to rear and construction of a new single storey extension with a roof terrace at first floor level. B) two velux type roof lights to rear of house. C) one solar panel to rear of house. D) a new first floor window in the front facade.

Land-use zoning

What this land is zoned for

Objective ARS

“A To provide residential development and improve residential amenity while protecting the existing residential amenities”

Objective set by the COUNTY DEVELOPMENT PLAN 2022-2028 (2022–2028). The planning authority decides each application on its own merits — this is the zoning context, not a compliance assessment.

Read the zoning objectives in the development plan

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
Address	Date	Price	Distance
67 Rock Rd, Blackrock, Dublin	Mar 2026	€525,000	63 m
11 Marine View, Rock Rd, Blackrocknot full market price	Jun 2025	€52,203	204 m
2 Phoenix Terrace, Blackrock, Dublin	Mar 2025	€1,300,000	228 m
85 Castledawson, Rock Rd, Sion Hill	Jul 2025	€530,000	280 m
77 Castledawson, Rock Rd, Sion Hill	May 2025	€883,100	288 m
97 Castledawson, Sion Hill Rock Rd, Blackrock	Jun 2026	€980,000	308 m
50 Castledawson, Rock Rd, Sion Hill	Jul 2025	€523,000	336 m
4 Castledawson, Rock Rd, Sion Hill	Jan 2026	€498,000	363 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 received1 October 2012
Decision issued23 November 2012
Appeal submitted19 December 2012
Appeal decided10 May 2013

In the area

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Related developments

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