21 Monkstown Avenue, Monkstown, Co Dublin
Extensions to the front, side, and rear of the house, including a new carport and demolition of sheds.
D16A/0112 · Dun Laoghaire Rathdown County Council · Lodged 24 February 2016
- Reference
- D16A/0112
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 24 February 2016
Summary
AI-generatedThe development includes a single-storey front extension, a first-floor extension over a previously converted garage, and a single-storey rear extension. It also involves demolishing existing sheds to build a new carport, removing a chimney and glasshouse, and relocating the vehicular access.
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 for single storey extension to front of previously converted garage and porch to front elevation. First floor extension above previously converted garage with alterations to main roof to accommodate extension. Demolition of sheds to side and provision of new carport. Demolition of existing chimney and glass house with alterations to windows and doors on ground and first floor to rear elevation. Single storey extension to rear. Re-location and set back of vehicular access and provis...
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 9 August 2016.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 25 Monkstown Avenue, Monkstown, Co Dublin | May 2025 | €1,345,000 | 49 m |
| 29 Monkstown Ave, Monkstown, Dublin | Oct 2025 | €964,000 | 89 m |
| 67 Monkstown Ave, Blackrock, Dublin | Apr 2026 | €470,000 | 106 m |
| 22 Ashton Park, Monkstown, Co Dublin | Feb 2025 | €1,620,000 | 111 m |
| 31 Park House, Palmerston Rd, Ranelagh Dublin 6 | Mar 2025 | €360,000 | 129 m |
| 28 Richmond Grove, Monkstown, Dublin | Nov 2025 | €1,120,000 | 190 m |
| 3 The Mews, Monkstown Castle, Monkstown Ave | Aug 2025 | €865,000 | 210 m |
| 35 Richmond Grove, Monkstown, Co Dublinnot full market price | Apr 2026 | €600,000 | 219 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 received24 February 2016
- Decision issued19 April 2016
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
40sqm extension (on south-west side), as follows: (a) new 11.5sqm single storey addition to rear. (b) new…
22, Monkstown Avenue, Monkstown, Blackrock, Dublin, A94X3N1
D23B/0529Dún Laoghaire–RathdownLodged 17 Nov 2023Extension
- GrantedAt this site
Retention of single storey, kitchen, bedroom and bathroom extension
Dunedin, 20, Monkstown Avenue, Monkstown, Co. Dublin
D07B/0880Dún Laoghaire–RathdownLodged 22 Oct 2007Retention
- Granted40 m away
Permission is sought for works to existing 2-storey semi-detached dwelling - consisting of demolition of…
24 Monkstown Avenue, Monkstown, Co. Dublin, A94 K4K3
D20A/0676Dún Laoghaire–RathdownLodged 22 Sept 2020Extension
- Withdrawn50 m away
Permission for development. The development will consist of alterations to existing vehicular entrance gate,…
25 Monkstown Avenue, Monkstown, Co. Dublin, A94 X0H1
D22A/0105Dún Laoghaire–RathdownLodged 14 Feb 2022Alterations
- Granted50 m away
Permission for development. The development will consist of alterations to existing vehicular entrance gate,…
25 Monkstown Avenue, Monkstown, Co. Dublin
D22A/0158Dún Laoghaire–RathdownLodged 7 Mar 2022Alterations
- Granted50 m away
Planning permission for a development which will consist of a new two bedroom, two storey over basement,…
70, Monkstown Avenue, Monkstown, Co. Dublin
D09A/0787Dún Laoghaire–RathdownLodged 16 Feb 2010New dwelling
- Granted50 m away
Permission is sought for development which consists of a new three bedroom two storey over basement, detached…
70, Monkstown Avenue, Monkstown, Co. Dublin
D12A/0009Dún Laoghaire–RathdownLodged 12 Jan 2012New dwelling
- Granted50 m away
Permission is sought for a two bedroom two storey over basement, detached house of approx. 210.5 sq.m, to the…
70, Monkstown Avenue, Monkstown, Co. Dublin
D11A/0006Dún Laoghaire–RathdownLodged 6 Jan 2011New dwelling
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 for the demolition of existing single storey extension to side and rear, demolition of existing…
22 Meadow Park, Churchtown, Dublin 14, D14TY27
D22B/0436Dún Laoghaire–RathdownLodged 4 Oct 2022
- GrantedExtension
Permission for Demolition of existing single storey garage / boiler house on side boundary; Demolition of…
2 Haddington Lawn, Glenageary, Co. Dublin A96 Y5D8
D20A/0666Dún Laoghaire–RathdownLodged 18 Sept 2020
- GrantedExtension
Permission for demolition of existing chimney, carport and garage, construction of single story extension to…
31, Friarsland Road, Goatstown, Dublin 14
D16A/0567Dún Laoghaire–RathdownLodged 3 Aug 2016
- GrantedExtension
Permission for a new single storey extension to rear with 2 no. roof light, first floor extension to side…
12 Bellevue Park, Booterstown, Co Dublin
D19A/0072Dún Laoghaire–RathdownLodged 1 Feb 2019
- GrantedExtension
Permission for alterations and extension to the dwelling, consisting of: (1) Demolition of the chimney and…
73, Ballinclea Heights, Killiney, Co. Dublin
D13B/0370Dún Laoghaire–RathdownLodged 21 Nov 2013
- RefusedExtension
Permission for: Demolition of existing single storey extension to rear and garage to side with partial…
51 The Rise, Mount Merrion, Blackrock, Co Dublin
D16A/0265Dún Laoghaire–RathdownLodged 19 Apr 2016
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