30, Sefton Green, Dun Laoghaire, Co. Dublin
Single-storey rear and side extension to a semi-detached house in Dun Laoghaire.
D08B/0455 · Dun Laoghaire Rathdown County Council · Lodged 13 June 2008
- Reference
- D08B/0455
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 13 June 2008
Summary
AI-generatedThe project involves the demolition of an existing rear kitchen lean-to and the construction of a 37 sq.m single-storey rear and side extension. The new structure will feature a pitched roof with four roof-lights and a glazed gable.
- Storey
- 1
- Floor area
- 37 m²
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 single storey rear / side extension 37 sq. M total, to semi-detached four bedroomed house. The proposal consists of a pitched roof structure with four velux roof-lights and glazed gable, incorporating kitchen and dining area, demolishing existing rear kitchen/lean-to, internal alterations and associated site works.
Land-use zoning
What this land is zoned for
“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 planBuilt & 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| Address | Date | Price | Distance |
|---|---|---|---|
| 22 Sefton Green, Rochestown Ave, Dun Laoghaire | Mar 2025 | €722,000 | 53 m |
| 69 Rochestown Ave, Dun Laoghaire, Dublin | Jun 2025 | €850,000 | 59 m |
| 18 Sefton, Rochestown Ave, Dun Laoghaire | Jul 2025 | €850,000 | 125 m |
| 17 Sefton, Rochestown Ave, Dun Laoghaire | Oct 2025 | €805,000 | 126 m |
| 17 Whitethorn Walk, Carriglea Downs, Dun Laoghaire | Oct 2025 | €700,000 | 149 m |
| 46 Sefton, Rochestown Ave, Dun Laoghaire | Feb 2026 | €790,000 | 172 m |
| 7 Sefton, Rochestown Ave, Dun Laoghaire | Oct 2025 | €1,008,000 | 204 m |
| 8 Whitethorn Walk, Carriglea Downs, Dun Laoghaire | May 2026 | €700,000 | 223 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 received13 June 2008
- Decision issued7 August 2008
- Appeal submitted29 August 2008
- Appeal decided3 March 2009
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- GrantedAt this site
Permission for development. Permission is sought for a rear single storey lean to extension with roof light…
29, Sefton Green, Dun Laoghaire, Co. Dublin
D17B/0572Dún Laoghaire–RathdownLodged 13 Dec 2017Extension
- Granted40 m away
Front porch to 2-storey house
25, Sefton Green, Kill O'The Grange, Dun Laoghaire, Co. Dublin.
D04B/0095Dún Laoghaire–RathdownLodged 11 Feb 2004Extension
- Granted50 m away
Full planning permission for — Demolition of existing single storey rear extensions and sheds
69, Rochestown Avenue, Dun Laoghaire, Dublin, A96X082
D26B/0066/WEBDún Laoghaire–RathdownLodged 5 Feb 2026Extension
- Granted50 m away
A single storey dining room extension including a first floor bedroom bay window to the rear
77, Rochestown Avenue, Dun Laoghaire, Co. Dublin
D08B/0748Dún Laoghaire–RathdownLodged 30 Oct 2008Extension
- Granted50 m away
Permission is sought for development. The development will consist of the demolition of an existing single…
37 Sefton Green, Dun Laoghaire, Co. Dublin
D22B/0315Dún Laoghaire–RathdownLodged 1 Jul 2022Extension
- Granted70 m away
Permission for elevational alterations to house nos. 5-9 Kensington Manor, previously granted permission…
Kensington Manor, Kensington Lodge, Rochestown Avenue, Dún Laoghaire, Co Dublin
D14A/0834Dún Laoghaire–RathdownLodged 18 Dec 2014Alterations
- Granted70 m away
Permission for alterations to previously granted permission under planning register reference nos. D13A/0468,…
Unit no. 9 Kensington Manor, Kensington Lodge, Rochestown Avenue, Dun Laoghaire, Co Dublin
D15A/0186Dún Laoghaire–RathdownLodged 20 Mar 2015Extension
- Granted70 m away
Permission for the addition of 2 no. windows and alteration of 1 no. window to basement side elevations,…
Nos. 10, 11 & 12 Kensington Manor, Kensington Lodge, Rochestown Avenue, Dún Laoghaire, Co Dublin
D15A/0473Dún Laoghaire–RathdownLodged 23 Jul 2015Alterations
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedExtension
Planning permission sought for partial demolition of existing single storey rear kitchen extension and…
5, Connawood Lawns, Bray, Co. Dublin
D10B/0088Dún Laoghaire–RathdownLodged 2 Mar 2010
- GrantedExtension
Permission is sought for alterations to an existing semi-detached two storey dwelling including — The…
72, Saint Fintan's Villas, Deansgrange, Co. Dublin
D17B/0287Dún Laoghaire–RathdownLodged 13 Jun 2017
- GrantedExtension
Permission sought for development works consisting of: Partial demolition of existing pitched single storey…
4, Pembroke Cottages, Booterstown, Co. Dublin, A94 H0V2
D19A/0003Dún Laoghaire–RathdownLodged 3 Jan 2019
- GrantedExtension
Permission is sought to demolish existing single strorey extension to the rear of the semi-detached house and…
14, Rosmeen Park, Dun Laoghaire, Co Dublin
D07B/0363Dún Laoghaire–RathdownLodged 24 Apr 2007
- GrantedExtension
Permission is sought for alteration/extension of the existing two storey semi-detached house, comprising…
517, South Circular Road, Dublin 8
2749/18Dublin CityLodged 17 Apr 2018
- GrantedExtension
Permission for development consisting of: (1) Demolition of existing single storey side garage and kitchen…
18, Abbey Park, Monkstown, Co. Dublin
D14B/0113Dún Laoghaire–RathdownLodged 28 Mar 2014
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