45, Mulgrave Street, Dun Laoghaire, Co Dublin
Demolition of a rear return, raising of the roof ridge, and construction of a two-storey extension.
D07B/0618 · Dun Laoghaire Rathdown County Council · Lodged 6 July 2007
- Reference
- D07B/0618
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 6 July 2007
Summary
AI-generatedThe development consists of demolishing an existing two-storey rear return and raising the main roof ridge line by 2.1 metres. A new two-storey and single-storey extension will be constructed to the rear.
- 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
Permission is sought for the following development: a) demolition of existing two storey return to rear, b) raise the existing ridge line of main roof by 2.1m for new first floor accomodation with rooflights to rear, and c) the construction of a new two storey and single storey extension to rear.
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 |
|---|---|---|---|
| 30 Mulgrave St, Dun Laoghaire, Dublin | Nov 2025 | €1,800,000 | 33 m |
| 32 Mulgrave St, Dun Laoghaire, Dublin | Jul 2025 | €880,000 | 33 m |
| 15 Northumberland Ave, Dun Laoghaire, Dublin | May 2025 | €1,250,000 | 60 m |
| 2 Patrick Court, Patrick St, Dun Laoghaire | Apr 2026 | €572,000 | 70 m |
| 3 Patrick Court, Patrick St, Dun Laoghaire | Jun 2026 | €585,000 | 72 m |
| 34 Northumberland Avenue, Dunlaoughaira, Co Dublin | Dec 2025 | €1,900,000 | 87 m |
| 21a Mulgrave St, Dun Laoghaire, Dublin | Feb 2026 | €840,000 | 98 m |
| 21 Mulgrave Terrace, Dun Laoghaire, Dublin | Jul 2025 | €1,400,000 | 129 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 received6 July 2007
- Decision issued30 August 2007
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- RefusedAt this site
Modifications for an increase in ridge height of the roof by 2.1 metre for a new first floor attic…
46, Mulgrave Street, Dun Laoghaire, Co. Dublin.
D04B/0182Dún Laoghaire–RathdownLodged 10 Mar 2004Extension
- Granted40 m away
The development will consist of demolishing the existing two-storey rear extension; constructing a new part…
32, Mulgrave Street, Dun Laoghaire, Co. Dublin, A96R230
D26B/0014/WEBDún Laoghaire–RathdownLodged 14 Jan 2026Extension
- Granted40 m away
Planning permission for — Demolition of existing flat roof extension to rear at Basement level
18, Northumberland Avenue, Dun Laoghaire, Dublin, A96K793
D24A/0551/WEBDún Laoghaire–RathdownLodged 24 Jul 2024Extension
- Granted40 m away
Permission sought for construction of a second floor single ridge pitched roof rear extension to accomodate…
49, Mulgrave Street, Dun Laoghaire, Glenageary, Co Dublin
D07B/0093Dún Laoghaire–RathdownLodged 11 Apr 2007Extension
- Granted50 m away
The development will consist of: Alterations to the proposed development permitted under Register Reference…
18, Northumberland Avenue, Dun Laoghaire, Dublin, A96K793
D26A/0155/WEBDún Laoghaire–RathdownLodged 1 Mar 2026Extension
- Refused50 m away
Permission for a new front garden design, car entrance and modifications of existing cast iron railings and…
16 Northumberland Avenue, Dún Laoghaire, Co Dublin
D16A/0448Dún Laoghaire–RathdownLodged 21 Jun 2016Alterations
- Granted50 m away
Planning permission is sought for replacement of upvc windows with painted hw sash windows to front…
Sonas, 16 Northumberland Avenue, Dun Laoghaire, Co Dublin, A96Y625
D22A/0706Dún Laoghaire–RathdownLodged 21 Sept 2022Extension
- Granted50 m away
Permission is sought for alterations and additions to include (1) construction of a single storey extension…
15, Northumberland Avenue, Dun Laoghaire, Co. Dublin
D16A/0768Dún Laoghaire–RathdownLodged 4 Apr 2017Apartments
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