GrantedRetentionDecided 6 August 2020

25 St Helen's Road, Booterstown, Co Dublin A94 FR59

Retention of modifications made to an approved single-storey rear extension, including increased width and height.

D20B/0044 · Dun Laoghaire Rathdown County Council · Lodged 17 July 2020

Reference: D20B/0044
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission for Retention
Received: 17 July 2020

Summary

AI-generated

This application seeks retention permission for deviations from a previously approved single-storey rear extension. The changes include a 140mm increase in width, a 175mm increase in ridge height, new parapet walls, and an increased eaves height.

Retentionretentionextension

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

Retention permission and permission for development. The development consists of the following retention works to a rear single storey extension approved under register reference d19b/0268 including: the increase in width of the extension by 140mm (70mm on both sides); an increase in the ridge height by 175mm; the introduction of parapet walls on both ends of the extension which are 570mm above the previous permitted eaves heights; and increase in the height of the eaves by 284mm. The develop...

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.

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Built & sold

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Recent sales nearby

within 500 m

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
43 St Helens Rd, Booterstown, Dublin	Aug 2025	€2,060,000	99 m
49 Castlecourt, Booterstown, Dublin	Dec 2025	€1,360,000	138 m
35 Castlecourt, Booterstown, Blackrock	Nov 2025	€875,000	145 m
6 Grotto Place, Booterstown, Dublin	Nov 2025	€950,000	150 m
13 Castle Court, Booterstown Ave, Blackrocknot full market price	Jul 2025	€600,000	163 m
2 Grotto Place, Booterstown, Dublin	Aug 2025	€1,100,000	168 m
11 Grotto Place, Booterstown, Dublin	Apr 2026	€500,000	177 m
50 Castle Court, Booterstown, Co Dublin	Dec 2025	€1,150,000	180 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 received17 July 2020
Decision issued6 August 2020

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