Mostyn, 67, Mount Merrion Avenue, Blackrock, Dublin
Widening of the front vehicular entrance and construction of two-storey extensions to the sides and rear.
D07A/0725 · Dun Laoghaire Rathdown County Council · Lodged 29 May 2007
- Reference
- D07A/0725
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 29 May 2007
Summary
AI-generatedThe project involves widening the existing vehicular entrance and adding bay windows to the front. It also includes building two-storey extensions to the sides and rear to accommodate new living areas, bedrooms, and bathrooms.
- 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
Widening of existing vehicular entrance, bay windows to front and two storey extensions incorporating living areas, bedrooms and bathrooms to sides and 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 |
|---|---|---|---|
| 17 Southwood Park, Mount Merrion, Blackrock | Mar 2025 | €1,580,000 | 127 m |
| 14 The Elms, Mount Merrion Ave, Blackrock | Apr 2025 | €470,000 | 147 m |
| 15 The Elms, Mount Merrion Ave, Blackrock | Mar 2026 | €490,000 | 147 m |
| 17 Hyde Park Avenue, Blackrock, Co Dublin | Dec 2025 | €1,600,000 | 170 m |
| 4 The Elms, Mount Merrion Ave, Blackrock | Sept 2025 | €500,000 | 173 m |
| Apt 4, Dawson Court, Cross Ave | Mar 2026 | €510,000 | 186 m |
| Apt 11, Dawson Court, Cross Ave | Jan 2025 | €480,000 | 186 m |
| 10 Dawson Court, Cross Ave, Blackrock | May 2026 | €527,000 | 186 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 received29 May 2007
- Decision issued23 July 2007
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 Retention of breakfast room extension at rear ground floor level and a two storey bay window…
Mostyn, 67 Mount Merrion Avenue, Blackrock, Co Dublin
D19B/0189Dún Laoghaire–RathdownLodged 10 Apr 2019Retention
- Granted40 m away
Permission for development consisting of: (1) Alterations to existing garage to include extension to front…
Glenside, 63, Mount Merrion Avenue, Blackrock, Co Dublin, A94Y6W3
D22A/0396Dún Laoghaire–RathdownLodged 10 Jun 2022Extension
- Granted40 m away
Permission for development consisting of demolition of existing single storey extension to rear and proposed…
Glenside, 63, Mount Merrion Avenue, Blackrock, Co Dublin, A94Y6W3
D20A/0922Dún Laoghaire–RathdownLodged 9 Dec 2020Extension
- Refused40 m away
Demolition of existing two-storey house and outbuildings and construction of new-detached dwelling house. New…
2, Glenvar Park, Blackrock, Dublin
D07A/1624Dún Laoghaire–RathdownLodged 15 Feb 2008New dwelling
- Granted40 m away
Planning permission is sought for demolition of existing two-storey extension to front, single storey garages…
2, Glenvar Park, Blackrock, Co. Dublin
D08B/0675Dún Laoghaire–RathdownLodged 12 Sept 2008Extension
- Granted40 m away
Permission is sought for demolition of existing single storey extension to rear, one no. chimney and garage…
4, Glenvar Park, Blackrock, Co Dublin
D21A/0610Dún Laoghaire–RathdownLodged 30 Jun 2021Extension
- Granted70 m away
Permission for development consisting of Garage conversion, two-storey & single storey extension to rear and…
Abberley, 75, Mount Merrion Avenue, Blackrock, Co Dublin
D13A/0102Dún Laoghaire–RathdownLodged 8 Mar 2013Extension
- Granted70 m away
Railings to front garden to be contained within the existing curtilage and located on the inside of the…
82, Mount Merrion Avenue, Blackrock, Co. Dublin
D06A/0173Dún Laoghaire–RathdownLodged 9 Feb 2006Alterations
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
Two storey side extension and single storey front and rear extensions, internal alteration and a widening of…
55, Butterfield Close, Rathfarnham, Dublin 14
SD18B/0169South DublinLodged 23 Apr 2018
- GrantedExtension
Two storey extension to front/side/rear of dwelling and widening of existing vehicular entrance
122, Beaufort Downs, Dublin 14
SD08B/0575South DublinLodged 8 Aug 2008
- GrantedExtension
Two storey extension to the side and single extension to the rear and the widening of vehicular entrance
47, O'Hogan Road, Ballyfermot, Dublin 10
WEB1602/26Dublin CityLodged 13 Mar 2026
- GrantedExtension
Single storey extension at front, side and rear, 2 storey extension at side and rear, widening of existing…
51, Saint Malachy's Drive, Walkinstown, Dublin 12
SD03B/0408South DublinLodged 4 Feb 2004
- GrantedExtension
Single storey domestic extension to front, two storey domestic extension to side, elevational alterations and…
73 New Road, Clondalkin, Dublin 22.
S99B/0407South DublinLodged 24 Jun 1999
- GrantedExtension
Extensions to existing house comprising first floor extension to side, single and two-storey extension to…
8, Oakley Park, Clontarf, Dublin 3
2153/18Dublin CityLodged 26 Jan 2018
Community
Discussion
What local people think about this application.
Community sentiment
No votes yetNobody has voted on this application yet.
Community sentiment — a straw poll of people who visited this page, not a statutory submission. To make a valid observation you must submit it to the planning authority.
Sign in to have your say on this application.
No comments yet. Be the first to say what you think about this application.
Sign in to join the discussion on this application.
Comments are moderated and are the opinions of the people who wrote them. They form no part of the statutory planning process — to make a valid observation you must submit it to the planning authority.