29, Monkstown Avenue, Monkstown, Dublin, A94H599
Extensive alterations and extensions to the front, side, and rear of the house.
D25A/0777/WEB · Dun Laoghaire Rathdown County Council · Lodged 14 October 2025
- Reference
- D25A/0777/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 14 October 2025
Summary
AI-generatedThe project includes a new two-storey front extension, a first-floor side extension, and both single-storey and first-floor rear extensions. It also features a new front porch, bike store, rooflights, and a widened vehicular entrance.
- Storeys
- 2
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
A) alterations to front, side and rear facades; b) new two-storey pitched roof extension to front; c) new first floor extension to side with hipped roof; d) new flat roof single storey extension to rear; e) new flat roof first floor extension to rear; f) new single storey flat roof porch to front ; g) two new rooflights to front and one new rooflight to rear; h) new bike store to front; i) widening of existing vehicular entrance and new pedestrian entrance; and all associated 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 |
|---|---|---|---|
| 29 Monkstown Ave, Monkstown, Dublin | Oct 2025 | €964,000 | 2 m |
| 25 Monkstown Avenue, Monkstown, Co Dublin | May 2025 | €1,345,000 | 39 m |
| 18 Lanesville, Glenageary, Dublin | May 2026 | €690,000 | 142 m |
| 38 Monkstown Ave, Blackrock, Dublin | Aug 2025 | €1,212,500 | 142 m |
| 22 Ashton Park, Monkstown, Co Dublin | Feb 2025 | €1,620,000 | 146 m |
| 76 Windsor Dr, Monkstown, Dublin | Feb 2025 | €870,000 | 165 m |
| 19 Monkstown Farm, Dun Laoghaire, Dublin | Jan 2025 | €312,500 | 179 m |
| 67 Monkstown Ave, Blackrock, Dublin | Apr 2026 | €470,000 | 190 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 received14 October 2025
- Decision due8 December 2025
- Decision issued5 December 2025
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Awaiting decisionAt this site
The proposed development will consist of: Modifications to the permitted development Reg. Ref. D25A/0777/WEB…
29, Monkstown Avenue, Monkstown, Dublin, A94H599
D26A/0450/WEBDún Laoghaire–RathdownLodged 16 Jun 2026Alterations
- GrantedAt this site
For demolition of garage and kitchen to side and construction of a single-storey living room and kitchen…
28, Monkstown Avenue, Monkstown, Co. Dublin
D05A/0137Dún Laoghaire–RathdownLodged 2 Feb 2005Extension
- GrantedAt this site
Single Storey Ground Floor Front Extension with alterations to existing First Floor Extension to replace the…
30, Monkstown Avenue, Monkstown, Blackrock, Co Dublin, A94RX37
D25B/0168/WEBDún Laoghaire–RathdownLodged 1 Apr 2025Extension
- GrantedAt this site
Second floor bedroom extension to rear of previously permitted two storey family flat to side and single -…
28, Monkstown Avenue, Dun Laoghaire, Co. Dublin.
D05B/0403Dún Laoghaire–RathdownLodged 1 Jun 2005Extension
- GrantedAt this site
Permission sought for demolition of sun room to the rear, new single storey extension to the rear for dining…
30, Monkstown Avenue, Monkstown, Co Dublin
D07A/0176Dún Laoghaire–RathdownLodged 9 Feb 2007Extension
- GrantedAt this site
Widening existing entrance gate. [LOCATION] 31 Monkstown Avenue, Monkstown, Co. Dublin. [LOCATION]
31 Monkstown Avenue, Monkstown, Co. Dublin.
D02A/0504Dún Laoghaire–RathdownLodged 4 Jun 2002Alterations
- GrantedAt this site
Permission for a development. The development will consist of the conversion of an attached single storey…
31, Monkstown Avenue, Monkstown, Dun Laoghaire, County Dublin, A94A9P6
D21B/0479Dún Laoghaire–RathdownLodged 10 Sept 2021Extension
- Granted30 m away
Permission is sought for the demolition of a 5sqm single storey extension to the rear and the subsequent…
26, Monkstown Avenue, Monkstown, Co Dublin
D07B/0392Dún Laoghaire–RathdownLodged 1 May 2007Extension
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
The development will consist of: (a) Alterations to front boundary wall to include widened vehicular…
5, Wellington Lane, Dublin 4
3477/21Dublin CityLodged 9 Sept 2021
- GrantedExtension
Construction of proposed extension to rear - including proposed extension at second floor level and at ground…
54, Derrynane Gardens, Dublin 4
WEB1353/21Dublin CityLodged 7 Apr 2021
- GrantedExtension
Single storey extension to front with new roof overhang to front entrance; alterations to existing two storey…
11, Fortfield Drive, Terenure, Dublin 6W
SD18B/0376South DublinLodged 28 Nov 2018
- GrantedExtension
2 Storey flat roof extension to rear and side — Single storey flat roof extension to rear and front
16, Trimleston Avenue, Booterstown, Blackrock, Dublin, A94C588
D24B/0121Dún Laoghaire–RathdownLodged 22 Mar 2024
- GrantedExtension
(a) new two storey extensions to rear, (b) new parapet to side, (c) new single storey extentions to rear, (d)…
10 Ardlui Park, Blackrock, Co. Dublin.
D07B/0752Dún Laoghaire–RathdownLodged 20 Aug 2007
- GrantedExtension
Demolition of existing rear single storey extensions — Construction of new single storey flat roof rear…
Doonbeg, Silchester Road, Glenageary, Dublin, A96T3H2
D25A/0495Dún Laoghaire–RathdownLodged 20 Jun 2025
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