Carrickbrennan House, Monkstown Valley, Monkstown, County Dublin, A94H3V2, (A Protected Structure, RPS No 831
Alterations to a protected structure including a new basement door and a split-level external terrace.
D21A/0629 · Dun Laoghaire Rathdown County Council · Lodged 6 July 2021
- Reference
- D21A/0629
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 6 July 2021
Summary
AI-generatedPermission is sought for alterations to Carrickbrennan House, a protected structure. The works include replacing a basement window with an external door to access a proposed split-level external terrace, and lowering the level of the existing patio.
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 the following, including all associated site-works
- The provision of an external door at basement level where currently there is a centrally located window at the base of the west facing elevation, so as to provide access from the existing kitchen/dining at basement level to a proposed split-level external terrace, where there is now an existing patio
- The lowering of the level of the existing patio at the western side of the main house so as to create a split level terra
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 25 April 2022.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 11 Arundel, Monkstown Valley, Monkstown | Oct 2025 | €695,000 | 26 m |
| 1 Arundel, Monkstown Valley, Monkstown | Jan 2025 | €1,080,000 | 58 m |
| 4 The Beeches, Monkstown Valley, Monkstown | Jul 2025 | €648,000 | 77 m |
| 16 Southdene, Monkstown Valley, Monkstown | Jun 2026 | €630,000 | 96 m |
| 58 The Beeches, Monkstown Valley, Monkstown | Feb 2025 | €810,000 | 99 m |
| 35 The Alders, Monkstown Valley, Monkstown | May 2026 | €382,000 | 169 m |
| 17 Beauparc Downs, Monkstown Valley, Monkstown | Feb 2026 | €550,000 | 173 m |
| 18 Beauparc Downs, Monkstown Valley, Dublin | May 2025 | €495,000 | 173 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 received6 July 2021
- Decision issued26 August 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
Addition of a single storey glazed conservatory to the south west conservatory to the south west of…
Carrickbrennan House, Monkstown Valley, Monkstown, Co. Dublin
D08A/0005Dún Laoghaire–RathdownLodged 8 Jan 2008Alterations
- GrantedAt this site
Permission for the addition of a single storey glazed conservatory to the south west of Carrickbrennan House,…
Carrickbrennan House, Monkstown Valley, Monkstown, Co Dublin
D15A/0407Dún Laoghaire–RathdownLodged 22 Jun 2015Alterations
- Granted60 m away
(1) Formation of porch to front (2) Two storey extension to side and rear comprising kitchen at ground floor…
1, Arundel, Monkstown Valley, Monkstown, Co. Dublin
D05A/1276Dún Laoghaire–RathdownLodged 3 Oct 2005Extension
- Granted60 m away
(1) formation of porch to front (2) extension at first floor level to side of house over existing extension…
1, Arundel, Monkstown Valley, Monkstown, Co. Dublin
D05B/0087Dún Laoghaire–RathdownLodged 15 Feb 2005Extension
- Granted60 m away
Addition of three (3) new windows to the South elevation of the existing dwelling at 3 Arundel, Monkstown…
3, Arundel, Monkstown Valley, Monkstown, Blackrock, Dublin, A94Y8H2
D25B/0266/WEBDún Laoghaire–RathdownLodged 15 May 2025Alterations
- Invalid60 m away
Permission for development, the development will consist of widening to the existing front entrance, a new…
34, Southdene, Monkstown, County Dublin
D20A/0627Dún Laoghaire–RathdownLodged 7 Sept 2020Extension
- Refused60 m away
Permission for development, the development will consist of widening to the existing front entrance, a new…
34, Southdene, Monkstown, County Dublin
D20A/0779Dún Laoghaire–RathdownLodged 27 Oct 2020Extension
- Granted60 m away
The development will consist of widening to the existing front entrance, a new two storey extension with flat…
34, Southdene, Monkstown Valley, Monkstown, Dublin, A94C2V1
D25A/0772/WEBDún Laoghaire–RathdownLodged 13 Oct 2025Extension
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