55 Ashton Park, Monkstown, Co. Dublin
Construction of rear and side extensions, and a garage conversion in Monkstown.
D11A/0117 · Dun Laoghaire Rathdown County Council · Lodged 16 March 2011
- Reference
- D11A/0117
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 16 March 2011
Summary
AI-generatedThe development consists of a new single-storey rear extension, converting the existing side garage into a playroom, and building a new first-floor extension over the garage to create an en-suite bedroom.
- Floor area
- 49 m²
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
- Planning permission is sought for the construction of the following
- 1. A new single storey, pitched roof extension to the rear of the existing dwelling comprising new open plan kitchen and living areas with utility room. Floor area 34.5 sq. M
- Conversion of an existing garage to the side of the existing dwelling into a habitable playroom. Floor area 14.4 sq. M
- New first floor extension to the side of the existing dwelling, comprising 1 no. New en-suite bedroom, with pitched roof an
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 |
|---|---|---|---|
| 76 Windsor Dr, Monkstown, Dublin | Feb 2025 | €870,000 | 65 m |
| 38 Monkstown Ave, Blackrock, Dublin | Aug 2025 | €1,212,500 | 101 m |
| 29 Monkstown Ave, Monkstown, Dublin | Oct 2025 | €964,000 | 105 m |
| 71 Windsor Dr, Blackrock, Dublin | Dec 2025 | €880,000 | 108 m |
| 43 Ashton Park, Monkstown, Blackrock | Jan 2026 | €1,200,000 | 115 m |
| 25 Monkstown Avenue, Monkstown, Co Dublin | May 2025 | €1,345,000 | 133 m |
| 22 Ashton Park, Monkstown, Co Dublin | Feb 2025 | €1,620,000 | 147 m |
| 11 Brook Court, Monkstown, Dublin | Oct 2025 | €906,027 | 154 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 received16 March 2011
- Decision issued9 May 2011
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 first storey pitched roof extension to side and front, rooflights to front and back.…
56 Ashton Park, Monkstown, Co. Dublin
D20A/0414Dún Laoghaire–RathdownLodged 17 Jun 2020Extension
- GrantedAt this site
Permission for new first floor extension over existing single storey to side of house with new pitched gable…
53 Ashton Park, Monkstown, Co. Dublin, A94 H7D4
D21B/0386Dún Laoghaire–RathdownLodged 26 Jul 2021Extension
- GrantedAt this site
Planning permission for development which will consist of: The construction of a flat roofed dormer roof…
53, Ashton Park, Monkstown, Co. Dublin
D09B/0512Dún Laoghaire–RathdownLodged 9 Dec 2009Extension
- Granted30 m away
Construction of new 2 car garage building with pitched roof to the front of the house — Ancillary works to…
81, Monkstown Avenue, Monkstown, Blackrock, Dublin, A94T2X9
D23B/0322Dún Laoghaire–RathdownLodged 5 Jul 2023Extension
- Granted30 m away
Permission is sought for — Demolition of existing single-storey element to rear of house
81 Monkstown Avenue, Monkstown, Co. Dublin, A94T2X9
D22A/0549Dún Laoghaire–RathdownLodged 28 Jul 2022Extension
- Granted40 m away
(a) First floor extension to rear of existing house consisting of two bedrooms and stairway and incorporating…
79, Monkstown Avenue, Monkstown, Co. Dublin
D07A/1745Dún Laoghaire–RathdownLodged 19 Dec 2007Extension
- Granted40 m away
Demolition of existing single storey garage to side and construct a new two storey extension to side and new…
82, Monkstown Avenue, Monkstown, Co. Dublin
D06B/0430Dún Laoghaire–RathdownLodged 15 May 2006Extension
- Granted50 m away
Permission is sought for — First floor extension to side over existing single storey (with part projecting…
11 Ashton Park, Monkstown, Co. Dublin
D21A/0121Dún Laoghaire–RathdownLodged 12 Feb 2021Extension
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
Single storey extension to front (area 8.5 sq.m) and conversion of existing garage to playroom with new…
132, Sandyford Road, Dublin 16
D05A/0214Dún Laoghaire–RathdownLodged 23 Feb 2005
- GrantedExtension
Permission for development to consist of at ground floor — Conversion of garage for use as playroom with 1 no…
97, Balally Park, Dundrum, Dublin 14
D13B/0010Dún Laoghaire–RathdownLodged 15 Jan 2013
- GrantedExtension
Permission is sought for single storey extension to front & conversion of garage with first floor extension…
4 Marley Close, Rathfarnham, Dublin 16, D16 X094
D21B/0142Dún Laoghaire–RathdownLodged 23 Mar 2021
- GrantedExtension
Planning permission is sought for: a) remodelling of single storey porch to front north-east elevation,…
Bayview, 12 Mount Anville Park, Goatstown, Dublin 14
D17B/0033Dún Laoghaire–RathdownLodged 20 Jan 2017
- GrantedExtension
Permission for development consisting of the following: New entrance porch to front, first floor extension…
38 Brighton Avenue, Foxrock, Dublin 18 D18 R8H7
D19A/1019Dún Laoghaire–RathdownLodged 23 Dec 2019
- GrantedExtension
Planning permission is sought for conversion of side garage to playroom with front projecting bay window and…
107, Saint Helens Road, Booterstown, Co. Dublin.
D08B/0208Dún Laoghaire–RathdownLodged 18 Mar 2008
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