31, Ashton Park, Monkstown, Co. Dublin, A94P9K3
Demolition of a side conservatory and construction of a single-storey side extension.
D21B/0578 · Dun Laoghaire Rathdown County Council · Lodged 21 October 2021
- Reference
- D21B/0578
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 21 October 2021
Summary
AI-generatedThe project involves the demolition of an existing single-storey side conservatory, a chimney, and a rear boiler-shed. It will be replaced by a new single-storey side extension with a glazed clerestory and stepped flat roof, alongside internal alterations.
- Storey
- 1
- Floor area
- 23 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
- Permission is sought for
- The demolition of the existing 1-storey conservatory to the side, a chimney and boiler-shed to the rear of the dwelling
- The construction of a 1-storey extension (23.4m2) to the side of the dwelling with a glazed, high-level clerestory and stepped flat roof
- All associated internal alterations and the alteration of the existing fenestration to the side and rear of the dwelling
- A stepped parapet to the extant 1-storey flat roof to the front of the dwelli
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 15 August 2022.
Notified floor area: 163.8 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 43 Ashton Park, Monkstown, Blackrock | Jan 2026 | €1,200,000 | 60 m |
| 11 Brook Court, Monkstown, Dublin | Oct 2025 | €906,027 | 89 m |
| 22 Ashton Park, Monkstown, Co Dublin | Feb 2025 | €1,620,000 | 101 m |
| 76 Windsor Dr, Monkstown, Dublin | Feb 2025 | €870,000 | 111 m |
| 25 Windsor Park, Monkstown, Dublin | Oct 2025 | €845,000 | 127 m |
| 28 Richmond Grove, Monkstown, Dublin | Nov 2025 | €1,120,000 | 145 m |
| 71 Windsor Dr, Blackrock, Dublin | Dec 2025 | €880,000 | 149 m |
| 29 Monkstown Ave, Monkstown, Dublin | Oct 2025 | €964,000 | 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 received21 October 2021
- Decision issued10 December 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
The development for retention consists of minor alterations to development granted under permission D21B/0578…
31, Ashton Park, Monkstown, Dublin, A94P9K3
D23A/0307Dún Laoghaire–RathdownLodged 10 May 2023Retention
- GrantedAt this site
Permission for the construction of the following — 1. Increasing the height of the existing single storey…
32 Ashton Park, Monkstown, Blackrock, Co. Dublin A94 A2C9
D19A/0592Dún Laoghaire–RathdownLodged 14 Aug 2019Extension
- GrantedAt this site
Permission is sought for conversion of the attic including — Part build up of side gable wall of house and…
32, Ashton Park, Monkstown, Blackrock, Co Dublin, A94A2C9
D21B/0068Dún Laoghaire–RathdownLodged 22 Feb 2021Extension
- GrantedAt this site
Planning permission is sought for construction of extensions totalling 110.08 sq.m to existing house of…
30, Ashton Park, Monkstown, Co. Dublin
D11A/0045Dún Laoghaire–RathdownLodged 2 Feb 2011Extension
- Awaiting decision30 m away
The proposed development shall consist of: _Construction of a new two storey detached dwelling house…
34, Ashton Park, Blackrock, Dublin, A94E4X8
D26A/0264/WEBDún Laoghaire–RathdownLodged 2 Apr 2026New dwelling
- Awaiting decision30 m away
The proposed development shall consist of: _ Construction of a new three storey detached dwelling house, with…
34, Ashton Park, Blackrock, Dublin, A94E4X8
D26A/0265/WEBDún Laoghaire–RathdownLodged 2 Apr 2026New dwelling
- Awaiting decision30 m away
1 Unit
34, Ashton Park, Monkstown, DUBLIN, A94E4X8
V/025/26Dún Laoghaire–RathdownLodged 2 Apr 2026
- Awaiting decision30 m away
1 Unit
34, Ashton Park, Monkstown, DUBLIN, A94E4X8
V/026/26Dún Laoghaire–RathdownLodged 2 Apr 2026
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- Part granted, part refusedExtension
Permission is sought for the demolition of the existing single storey flat roofed extension to front, removal…
20, Killiney Avenue, Killiney, Co Dublin
D07B/0261Dún Laoghaire–RathdownLodged 23 Mar 2007
- GrantedExtension
Permission is sought for the following: (a). Demolition and removal of the existing conservatory and boiler…
No. 35 Wyvern, Killiney, Co. Dublin, A96 T4A
D21B/0718Dún Laoghaire–RathdownLodged 23 Dec 2021
- GrantedExtension
Permission is sought for works consisting of: Demolition of the existing single storey rear conservatory;…
3, Waltersland Road, Stillorgan, Co. Dublin
D16B/0370Dún Laoghaire–RathdownLodged 1 Sept 2016
- GrantedExtension
Permission sought for demolition of existing 13.5sqm conservatory & boiler room and construction of a 55.5sqm…
4, Glen Grove, The Park, Cabinteely, Dublin 18
D07B/0076Dún Laoghaire–RathdownLodged 29 Jan 2007
- GrantedExtension
Permission is sought for — demolition of conservatory to side and rear of dwelling
46, Callary Road, Mount Merrion, Co. Dublin
D09B/0474Dún Laoghaire–RathdownLodged 19 Nov 2009
- GrantedExtension
Permission for the following alterations to existing dwelling: (1) To demolish existing conservatory and…
79 Waterfall Road , Bishopstown , Cork
2140011Cork CityLodged 18 Mar 2021
Community
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