RefusedExtensionDecided 28 July 2025

40, Wilson Road, Mount Merrion, County Dublin, A94 H2Y9

Double-storey rear extension, attic conversion with side dormers, and partial demolition.

D25B/0314 · Dun Laoghaire Rathdown County Council · Lodged 3 June 2025

Reference: D25B/0314
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 3 June 2025

Summary

AI-generated

The project involves the partial demolition of rear external walls and the existing rear hipped roof. It consists of erecting a double-storey rear extension, reroofing part of the house, adding dormers to both sides of the roof, and internal reorganization.

Extensionextensiondemolitionattic conversiondormer

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

We intend to apply for planning permission for an extension, refurbishment and and attic conversion. The development will consist of the partial demolition of external walls to the rear and the partial demolition of the existing hipped roof to the rear of the property. We intend to erect (a) a double storey extension to the rear of the property (b) reroof part of the existing house, (c) add dormers to both sides of the roof, and (d) internal reorganisation.

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
19 Cypress Road, Mount Merrion, Dublin	Jun 2026	€1,210,000	109 m
55 Wilson Road, Mount Merrion, Blackrockprice excludes VAT	Nov 2025	€1,585,903	109 m
56 Wilson Road, Mount Merrion, Blackrockprice excludes VAT	Apr 2026	€1,475,771	116 m
19 Wilson Rd, Mount Merrion, Dublin	Mar 2026	€1,116,111	118 m
44 Deerpark Rd, Mount Merrion, Dublin	Dec 2025	€1,250,000	123 m
58 Wilson Road, Mount Merrion, Blackrockprice excludes VAT	Mar 2026	€1,550,660	127 m
47 Deerpark Rd, Mount Merrion, Blackrock	Mar 2025	€800,000	141 m
9 Cypress Road, Mount Merrion, Co Dublin	Jun 2026	€1,230,000	163 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 received3 June 2025
Decision due28 July 2025
Decision issued28 July 2025

In the area

Applications near this site

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Related developments

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