GrantedExtensionDecided 22 January 2021

49 Mapas Road, Dalkey, Co. Dublin

Attic conversion to a study room, demolition of a side chimney, and installation of a rear dormer window.

D20B/0377 · Dun Laoghaire Rathdown County Council · Lodged 23 November 2020

Reference: D20B/0377
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 23 November 2020

Summary

AI-generated

The development in Dalkey includes converting the attic into a study room and demolishing the existing side chimney. The side gable wall will be built up to form a dutch hip roof, featuring a rear dormer window, rear rooflight, and two front rooflights.

Extensionattic conversiondormer

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 the conversion of attic to a study room including the demolition of the existing side chimney, the building up of the side gable wall to form a dutch hip roof, a dormer window to the rear, a rooflight window to the rear, two rooflight windows to the front, removal of the existing side window and two new side windows. All of the above together with all associated site works.

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.

Built — construction complete

A commencement notice records works starting on 21 August 2023.

Notified floor area: 32 m²

Recent sales nearby

within 500 m

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
33 Dalkey Park, Dalkey, Dublin	Feb 2025	€875,000	121 m
5 Saval Grove, Dalkey, Dublin	Jul 2025	€980,000	127 m
47 Dalkey Park, Dalkey, Co Dublin	Apr 2026	€1,000,000	144 m
32 Barnhill Place, Barnhill Road, Dalkeyprice excludes VAT	Dec 2025	€917,431	183 m
28 Barnhill Place, Barnhill Road, Dalkeyprice excludes VAT	Dec 2025	€837,004	183 m
26 Barnhill Place, Barnhill Road, Dalkeyprice excludes VAT	Dec 2025	€1,277,533	190 m
39 Barnhill Ave, Dalkey, Dublin	Mar 2026	€1,410,000	201 m
35 Barnill Place, Barnhill Road, Dalkeyprice excludes VAT	Apr 2026	€1,376,147	214 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 received23 November 2020
Decision issued22 January 2021

In the area

Applications near this site

Other planning applications within about 500 m — what else is being proposed or built nearby.

Related developments

Similar applications

Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.

Community

Discussion

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