6, Iris Grove, Mount Merrion, Blackrock, Co. Dublin, A94RH56
Demolition of a conservatory, boiler house, and shed to build a single-storey side and rear extension and a garden room.
D25A/0411/WEB · Dun Laoghaire Rathdown County Council · Lodged 23 May 2025
- Reference
- D25A/0411/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 23 May 2025
Summary
AI-generatedThe project involves the demolition of an existing single-storey conservatory, boiler house, and garden shed. In their place, a new single-storey extension will be built to the side and rear of the house, along with a garden room at the rear and a widened front entrance with new gates.
- 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
Demolition of a single-storey conservatory and a boiler house to the rear and side of the existing single-storey dwelling; demolition of a garden shed within the property boundary; construction of new single storey extension to the side and rear of the existing house and a garden room to the rear of the site; new widened entrance and gates to the front of the property; all associated landscaping, drainage and site development 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 |
|---|---|---|---|
| 32 St Thomas Rd, Mount Merrion, Dublin | Mar 2025 | €1,900,000 | 132 m |
| 14 St Thomas Road, Mount Merrion, Blackrock | Jul 2025 | €1,750,000 | 136 m |
| 33 North Avenue, Mount Merrion, Blackrock | Sept 2025 | €2,365,000 | 157 m |
| 45 Greenfield Rd, Mount Merrion, Dublin | Nov 2025 | €1,390,000 | 197 m |
| 49 The Rise, Mount Merrion, Blackrock | Sept 2025 | €1,305,000 | 253 m |
| 9 Cypress Road, Mount Merrion, Co Dublin | Jun 2026 | €1,230,000 | 253 m |
| 19 Cypress Road, Mount Merrion, Dublin | Jun 2026 | €1,210,000 | 256 m |
| 5 Greygates, Stillorgan Road, Mount Merrion | Jun 2025 | €1,690,000 | 263 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 received23 May 2025
- Decision due17 July 2025
- Decision issued11 July 2025
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 is sought to construct a single storey extension at front and widening of entrance
5, Iris Grove, Mount Merrion, Co Dublin
D07B/0628Dún Laoghaire–RathdownLodged 6 Jul 2007Extension
- GrantedAt this site
Retention of existing office/suite at side. [LOCATION] 5 Iris Grove, Mount Merrion, Blackrock, Co. Dublin.…
5 Iris Grove, Mount Merrion, Blackrock, Co. Dublin.
D02A/0004Dún Laoghaire–RathdownLodged 4 Jan 2002Retention
- Granted40 m away
Permission is sought for single storey extension to side of house; bay window extension to rear of house,…
8, Iris Grove, Mount Merrion, Co. Dublin
D12A/0097Dún Laoghaire–RathdownLodged 16 Mar 2012Extension
- Granted50 m away
The development will consist of (a) Demolition works to include (i) the 5.4sqm existing single-storey side…
12, The Close, Mount Merrion, Blackrock, Co. Dublin, A94DH57
D26B/0172/WEBDún Laoghaire–RathdownLodged 25 Mar 2026Extension
- Granted50 m away
Permission for demolition of existing detached single storey dwelling and construction of new detached dormer…
9, Iris Grove, Mount Merrion, Co. Dublin
D14A/0056Dún Laoghaire–RathdownLodged 1 May 2014New dwelling
- Refused60 m away
For the sub-division of existing site, with new boundary wall and construction of 2 no. two storey…
8, Iris Grove, Mount Merrion, Co. Dublin
D06A/0636Dún Laoghaire–RathdownLodged 19 May 2006New dwelling
- Granted60 m away
Demolition of existing single-storey extension to side, construction of 2-storey extension to side and rear,…
4 The Close, Mount Merrion, Co. Dublin
D07B/0771Dún Laoghaire–RathdownLodged 27 Aug 2007Extension
- Exempt — no permission needed60 m away
Single story extension to rear of existing dwelling with 'PRE 63' garage conversion with a first floor…
2 The Close, Mount Merrion, Blackrock, Dublin, A94 NX27
REF15924Dún Laoghaire–RathdownLodged 22 Jan 2025Extension
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
Demolition of single storey conservatory to the south elevation; demolition of single storey study/toilet…
2, Woodbrook Park, Dublin 16
SD12B/0167South DublinLodged 29 Jun 2012
- InvalidExtension
1/ Demolition of an existing garage and boiler house to front and side and construction of a new part single…
34, Claremont Park, Sandymount, Dublin 4 D04 WR44
WEB1675/22Dublin CityLodged 21 Jul 2022
- RefusedExtension
Demolition of existing rear toilet, store and shed, removal of the existing side conservatory, removal of the…
1, Mountainview Road, Killiney, Co. Dublin(Kelsha Cottage)
D06A/1026Dún Laoghaire–RathdownLodged 17 Jul 2006
- GrantedExtension
Demolition of existing garden shed & part of single storey extension to side/ rear of existing house; new…
27, Ludford Park, Ballinteer, Dublin 16
D06A/1269Dún Laoghaire–RathdownLodged 4 Sept 2006
- GrantedExtension
Demolition of the existing conservatory and construction of a new one storey extension to the rear to provide…
37, Ashton Lawn, Knocklyon Road, Dublin 16
SD04B/0187South DublinLodged 21 Apr 2004
- GrantedExtension
Demolition of an existing partially converted garage and boiler house to side/rear of property, widening of…
68, Marian Crescent, Dublin 14
SD16B/0360South DublinLodged 7 Nov 2016
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