22 Rosehill, Carysfort Avenue, Blackrock, Dublin
Two-storey front and side extension, a new front porch, and a new side garage.
D20B/0352 · Dun Laoghaire Rathdown County Council · Lodged 5 November 2020
- Reference
- D20B/0352
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 5 November 2020
Summary
AI-generatedThe development includes a two-storey front and side extension to accommodate a remodelled living, kitchen, dining, utility, and gym area on the ground floor, plus a bedroom and mezzanine on the first floor. A new single-storey front porch and a single-storey side garage will also be constructed.
- 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
Permission is sought for proposed alterations and extension to existing dwelling including: erection of two storey front and side extension to include remodelled living, kitchen, dining, utility and gym to ground floor plus 1no. Bedroom and mezzanine to first floor. Erection of new single storey front porch and new single storey side garage.
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 |
|---|---|---|---|
| 85 Rosehill, Blackrock, Co Dublin | Jul 2026 | €1,225,000 | 44 m |
| Villa Rosa, Rosehill, Carysfort Ave | Sept 2025 | €965,000 | 76 m |
| 28 Fairyhill, Blackrock, Dublin | Sept 2025 | €990,000 | 87 m |
| 5 Fairyhill, Newtownpark Ave, Blackrock | May 2026 | €780,000 | 150 m |
| 35 Fairyhill, Blackrock, Dublin | Jul 2025 | €905,000 | 161 m |
| 19 Newtown Park, Blackrock, Dublin | Feb 2026 | €840,000 | 163 m |
| 6 Hawthorn Manor, Blackrock, Dublin | Jul 2025 | €705,000 | 175 m |
| 7 The Meadows, Newtownpark Ave, Blackrock | Jan 2025 | €850,000 | 180 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 received5 November 2020
- Decision issued17 December 2020
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- RefusedAt this site
For demolition of existing garage and conservatory (40 sq.m.) and alterations and extension to existing…
22, Rosehill, Carysfort Avenue, Blackrock, Co. Dublin
D05A/0274Dún Laoghaire–RathdownLodged 4 Mar 2005New dwelling
- GrantedAt this site
The development will consist and consist of: intend to apply for full planning permission and retention…
22, Rosehill, Carysfort Avenue, Blackrock, Dublin, A94W3W9
D25B/0079/WEBDún Laoghaire–RathdownLodged 14 Feb 2025Extension
- Granted30 m away
Permission is sought for development consisting of the demolition of existing porch and single storey section…
84, Rosehill, Carysfort Avenue, Blackrock, Co. Dublin
D16A/0729Dún Laoghaire–RathdownLodged 6 Oct 2016Extension
- Granted40 m away
Demolish an existing single storey kitchen extension and garden shed to the rear, provision of a single…
85, Rosehill, Carysfort Avenue, Blackrock, Co. Dublin
D09B/0070Dún Laoghaire–RathdownLodged 17 Feb 2009Extension
- Granted40 m away
Permission for an attic conversion to previously approved dwelling (Reg. Ref. D13A/0380) currently under…
Site to rear of Rosehill House, Carysfort Avenue, Blackrock, Co. Dublin
D14A/0047Dún Laoghaire–RathdownLodged 6 Feb 2014Extension
- Granted40 m away
Permission for development consisting of changes to previously approved dwelling (Reg Ref D12A/0362)…
Rosehill House, Carysfort Avenue, Blackrock, Co. Dublin
D13A/0380Dún Laoghaire–RathdownLodged 25 Jul 2013Alterations
- Granted40 m away
Permission for development which will consist of construction of a two storey 5 bed dwelling; shared access…
Rosehill House, Carysfort Avenue, Blackrock, Co. Dublin
D12A/0362Dún Laoghaire–RathdownLodged 26 Nov 2012New dwelling
- Granted60 m away
Permission for alterations to the existing hipped roof to create a gabled roof to facilitate the conversion…
20 Rosehill, Carysfort Avenue, Blackrock, Co Dublin
D17B/0490Dún Laoghaire–RathdownLodged 1 Nov 2017Extension
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 is sought for alterations and extension to dwelling house to comprise Ground Floor: new garage…
4, Stradbrook Grove, Blackrock, Co. Dublin
D22B/0497Dún Laoghaire–RathdownLodged 5 Dec 2022
- GrantedExtension
Permission to o construct a two storey and single storey extension, a new entrance porch with alterations to…
Buncoille, Castle Farm, Monkstown, Co. Cork
186454corkLodged 17 Sept 2018
- GrantedExtension
Permission for development which will consist of a two storey extension, ground floor extension to side and…
No 27 Chestnut Close , Renmore , Galway
20361Galway CityLodged 23 Dec 2020
- GrantedExtension
Permission for alterations and extensions to existing dwelling including (a) new porch to front elevation,…
The Cottage , 32 Lower Pouladuff Road , Cork
1938924Cork CityLodged 4 Dec 2019
- GrantedExtension
Permission is sought to construct a two storey extension to the side of the existing dwelling, incorporating…
1, Willow Place, Druid Valley, Dublin 18
D07B/0450Dún Laoghaire–RathdownLodged 18 May 2007
- GrantedExtension
Permission for proposed alterations and extension to house, to include porch to front with tiled roof, first…
181 Clonkeen Road, Blackrock, Co Dublin
D16A/0687Dún Laoghaire–RathdownLodged 19 Sept 2016
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