21, The Maples, Monkstown Valley, Monkstown, Co Dublin
Conversion of an attic space above a second-floor apartment to create a new duplex apartment.
D07B/0175 · Dun Laoghaire Rathdown County Council · Lodged 1 March 2007
- Reference
- D07B/0175
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 1 March 2007
Summary
AI-generatedThe development involves converting the attic space above an existing second-floor apartment to create a new duplex apartment. The works include adding two bedrooms, an en-suite, and installing multiple replacement and additional roof lights.
- Residential unit
- 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 sought for development consisting of conversion of attic above existing 2nd floor apartment to create new duplex apartment. Proposed accomodation to attic to consist of 2no. Bedrooms, an en-suite bathroom and associated circulation space. Works to roofs to include provision of 1no. Replacement and 3no. Additional roof lights at 2nd floor level and 2no. Replacement and 10no. Additional roof lights at attic level. Works also to include for sundry internal alterations.
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 20 December 2017. A completion certificate was lodged on 21 January 2022.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 2 Carraiglea, Queens Park, Monkstown | Apr 2026 | €858,555 | 43 m |
| 35 The Alders, Monkstown Valley, Monkstown | May 2026 | €382,000 | 88 m |
| 20 Riversdale Court, Queens Park, Monkstown | Aug 2025 | €425,000 | 103 m |
| 12 Queen's Park, Monkstown, Blackrock | Dec 2025 | €2,500,000 | 107 m |
| 13 Riverdale Court, Queens Park, Monkstown | Sept 2025 | €470,000 | 117 m |
| 7 Riversdale Court, Queen's Park, Monkstown | Jan 2025 | €470,000 | 125 m |
| 1beauparc Downs, Monkstown Valley, Monkstown | Dec 2025 | €400,000 | 128 m |
| 27 Belgrave Sq East, Monkstown, Dublin | Mar 2025 | €2,460,000 | 131 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 received1 March 2007
- Decision issued25 April 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 is sought for the conversion of the attic space above the existing second floor apartment to…
21, The Maples, Monkstown Valley, Monkstown, Co. Dublin
D17B/0002Dún Laoghaire–RathdownLodged 29 Mar 2017Apartments
- GrantedAt this site
Permission for Retention of existing 2 bedroom single storey apartment (area 98 sqm) with 4 additional roof…
The Maples, Monkstown Valley, Monkstown, Co Dublin
D14A/0095Dún Laoghaire–RathdownLodged 27 Feb 2014Retention
- Part granted, part refusedAt this site
Permission is sought for a development consisting of the demolition of a bin store (area 32sqm) and…
The Maples, Monkstown Valley, Monkstown, Co Dublin
D07A/0553Dún Laoghaire–RathdownLodged 27 Apr 2007Apartments
- Granted30 m away
Retention permission is being sought for 2 small and 3 large roof-light arrangement on the north roof slope
27, The Maples, Monkstown Valley, Monkstown, Co. Dublin
D11B/0108Dún Laoghaire–RathdownLodged 31 Mar 2011Retention
- Granted30 m away
Permission is sought for a change of use of attic to study/ bedroom above second floor apartment with a new 6…
27, The Maples, Monkstown Valley, Monkstown, Co. Dublin.
D07B/0389Dún Laoghaire–RathdownLodged 23 Apr 2007Extension
- Granted50 m away
Planning permission for development consisting of the provision of a new private vehicular access and…
9, Queen's Park, Monkstown, Co. Dublin
D12A/0099Dún Laoghaire–RathdownLodged 22 Mar 2012Infrastructure
- Granted60 m away
Permission for the erection of a single storey extension to the rear of two storey house
3 Saint Grellans Court, Monkstown Road, Monkstown, Co Dublin
D15B/0480Dún Laoghaire–RathdownLodged 31 Dec 2015Extension
- Granted70 m away
Permission for development. Permission has been granted under reg. ref. D17A/0673 for 3 no. new window…
57, Monkstown Road, Monkstown, Co. Dublin
D17A/1027Dún Laoghaire–RathdownLodged 22 Nov 2017Alterations
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedApartments
Permission is sought for the conversion of the attic space above the existing second floor apartment to…
21, The Maples, Monkstown Valley, Monkstown, Co. Dublin
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Permission is sought for an attic extension to a first floor apartment unit. The development will consist of…
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D08B/0736Dún Laoghaire–RathdownLodged 23 Oct 2008
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D22B/0471Dún Laoghaire–RathdownLodged 17 Nov 2022
- GrantedExtension
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- GrantedRetention
A. retention of conversion of attic space of first floor duplex apartment to 2 no. bedrooms & shower room and…
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