30, Merrion Park, Blackrock, Co Dublin
Partial demolition of a rear conservatory to build a single-storey extension and a dormer window.
D20A/0730 · Dun Laoghaire Rathdown County Council · Lodged 2 December 2020
- Reference
- D20A/0730
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 2 December 2020
Summary
AI-generatedThe development consists of the partial demolition of an existing rear conservatory and the construction of a single-storey rear extension. It also includes a new dormer window extension, roof-lights to the front and rear pitches, and alterations to the front entrance.
- 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
Permission is sought for a development consisting of: re: (1. ) part demolition of existing rear conservetory extension, (2. ) construction of a rear single- storey extension, (3. ) a dormer window extension, 2 roof-lights to the front pitch of the house, and 3 roof-lights to the rear pitch of the house, (4. ) alterations to front entrance area, (5. ) ancillary 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.
Built — construction complete
A commencement notice records works starting on 30 November 2016.
Notified floor area: 34.86 m²
2 commencement notices are linked to this development.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 57 Merrion Park, Blackrock, Dublin | Apr 2025 | €760,000 | 46 m |
| 47 Merrion Park, Blackrock, Dublin | Nov 2025 | €790,101 | 58 m |
| 41 Booterstown Wood, South Hill Park, Booterstown | May 2026 | €565,000 | 116 m |
| Apt 45 Booterstown Wood, Booterstown Avenue, Booterstown | Jul 2026 | €360,000 | 116 m |
| 78 Merrion Park, Booterstown, Blackrock | Feb 2025 | €920,000 | 134 m |
| Apt 25 The Lapwing, Booterstown Ave, Dublin 18 | Apr 2025 | €585,000 | 143 m |
| Apartment 28, Booterstown Wood, Booterstown Avenue | Aug 2025 | €448,000 | 146 m |
| 25 Booterstown Wood, Booterstown Ave, Booterstown | Dec 2025 | €538,000 | 146 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 received2 December 2020
- Decision issued6 January 2021
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
Retention planning permission for — Changes to roof pitch including a south-west facing fan-light to rear…
30, Merrion Park, Blackrock, Dublin, A94Y670
D23B/0128Dún Laoghaire–RathdownLodged 24 Mar 2023Retention
- Granted30 m away
Permission at rear (with frontage to Booterstown Avenue to the north) for a two bedroom single storey, flat…
30, Merrion Park, Blackrock, Co. Dublin
D15A/0524Dún Laoghaire–RathdownLodged 14 Aug 2015New dwelling
- Granted30 m away
Permission is sought for the demolition of an existing single-storey side extension; Construction of a new…
1, South Hill Park, Booterstown, Blackrock, Co Dublin
D22B/0271Dún Laoghaire–RathdownLodged 30 May 2022Extension
- Awaiting decision30 m away
Compliance with Condition No.3 of Reg Ref No. ABP31431222 (D22B/0271)
1, South Hill Park, Booterstown, Blackrock, Co Dublin
D22B/0271/C1Dún Laoghaire–RathdownLodged 24 Jun 2025Alterations
- Granted30 m away
For conversion of the existing garage to a living room and constructing a study and bedroom over the existing…
126, Booterstown Avenue, Blackrock, Co. Dublin
D04B/0574Dún Laoghaire–RathdownLodged 21 Jul 2004Extension
- Granted50 m away
Permission is sought for widening the existing entrance gateway. This will involve repositioning of an…
3, South Hill Park, Booterstown, A94V568
D22A/0205Dún Laoghaire–RathdownLodged 23 Mar 2022Alterations
- Granted50 m away
Permission for widening of existing vehicle entrance and associated works
Temalore, 122, Booterstown Avenue, Blackrock, Co. Dublin
D13A/0018Dún Laoghaire–RathdownLodged 16 Jan 2013Infrastructure
- Granted50 m away
Permission for: Extension to the rear of the property at ground and first floor. Converting the attic into a…
49 Merrion Park, Blackrock, Co Dublin
D15B/0049Dún Laoghaire–RathdownLodged 27 Feb 2015Extension
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
Permission is sought for a development consisting of: (1.) Demolition of the existing rear ground floor…
9, Saint Catherines Road, Dun Laoghaire, Co Dublin, A96WV58
D21A/0017Dún Laoghaire–RathdownLodged 12 Jan 2021
- GrantedExtension
Permission is sought for development consisting of (1) Demolition of: (a) Single storey kitchen extension to…
72, Ardmore Park, Dun Laoghaire, Dublin, A96KA48
D22A/0900Dún Laoghaire–RathdownLodged 16 Feb 2023
- GrantedExtension
Permission is sought for — Demolish existing single-storey element to rear at ground floor level and demolish…
53 Woodlands Road, Glenageary, Co. Dublin, A96H6H3
D22B/0258Dún Laoghaire–RathdownLodged 24 May 2022
- Awaiting decisionExtension
Permission is sought for development consisting of the partial demolition of the back return, alterations to…
3 Evergreen Buildings , Cork
2544049Cork CityLodged 28 Jul 2025
- GrantedExtension
Permission is sought for development consisting of the demolition of (i) existing ground floor extension and…
2, Eagle Hill, Blackrock, Co. Dublin, A94N2T1
D22B/0449Dún Laoghaire–RathdownLodged 24 Oct 2022
- GrantedExtension
Permission is sought for a) partial demolition of a single-storey extension and the subsequent construction…
46, Oaklands Park, Dublin 4
WEB1884/24Dublin CityLodged 18 Jul 2024
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