Thorncliffe, Slate Cabin Lane, Sandyford, Dublin 18
Partial demolition of rear walls and roof to construct a new pergola, extend dormers, and add a balcony.
D26B/0223 · Dun Laoghaire Rathdown County Council · Lodged 16 April 2026
- Reference
- D26B/0223
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 16 April 2026
Summary
AI-generatedThe project at Thorncliffe, Slate Cabin Lane, Sandyford, involves the demolition of some external rear walls, parts of the roof, and dormers. Proposed works include a new masonry-framed pergola and flat roof, extended and reclad dormers, timber cladding on the western facade, and a first-floor balcony on the eastern facade.
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
The development will consist of the demolition of some external walls to the rear of the property and parts of the existing roof and dormers. We intend to construct: (a) a new masonry framed pergola and flat roof over the front and side of the property; (b) extend and reclad the existing dormers; (c) apply timber cladding to the western facade; and (d) add a balcony to the first floor on the eastern facade.
Land-use zoning
What this land is zoned for
“B To protect and improve rural amenity and to provide for the development of agriculture.”
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 |
|---|---|---|---|
| Woodside, Sandyford, Dublin 18 | Nov 2025 | €642,000 | 104 m |
| Mountainview, Blackglen Rd, Sandyford Dublin 18 | Jul 2025 | €710,000 | 447 m |
| 2 Lamb Doyles, Blackglen Roadprice excludes VAT | Apr 2026 | €1,101,322 | 453 m |
| 1 Lamb Doyles, Blackglen Roadprice excludes VAT | Apr 2026 | €1,145,374 | 462 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 April 2026
- Decision due10 June 2026
- Decision issued3 June 2026
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
The construction of one no. part single and part two storey 2 bedroom detached dwelling house (187sq.m) plus…
Thorncliffe, Slate Cabin Lane, Sandyford, Dublin 18
D08A/0756Dún Laoghaire–RathdownLodged 30 Jun 2008New dwelling
- Granted40 m away
Retention Permission is sought for the retention of existing dwelling including basement (Total floor area:…
Thorncliffe, Slate Cabin Lane, Sandyford, Dublin 18
D12A/0503Dún Laoghaire–RathdownLodged 18 Dec 2012Retention
- Refused40 m away
Construction of a new single storey house together with a new biocycle unit to lands. The development will…
Thorncliffe, Slate Cabin Lane, Sandyford, Dublin 18
D06A/1031Dún Laoghaire–RathdownLodged 17 Jul 2006New dwelling
- Withdrawn40 m away
Permission is sought for the retention of a basement (floor area 117 sq.m, height 3.2 metres) and all…
Thorncliffe, Slate Cabin Lane, Sandyford, Dublin 18
D12A/0109Dún Laoghaire–RathdownLodged 27 Mar 2012Retention
- Granted40 m away
Single storey house together with a new effluent treatment system to lands at Thorncliffe. The development…
Thorncliffe, Slate Cabin Lane, Sandyford, Dublin 18
D06A/1512Dún Laoghaire–RathdownLodged 20 Oct 2006New dwelling
- Granted60 m away
Permission is sought for a single storey domestic extension to the side of a bungalow, with new biocycle…
Cnoic Glas, Slate Cabin Lane, Dublin 18
D20A/0846Dún Laoghaire–RathdownLodged 19 Mar 2021Extension
- Granted70 m away
Demolish the existing single storey extension attached to the side of the existing detached dwelling, and…
Barnaculla, Woodside Road, Sandyford, Dublin 18
D04B/0651Dún Laoghaire–RathdownLodged 30 Aug 2004Extension
- Granted70 m away
For the demolition of the existing kitchen extension to the rear of the house the inclusion of a dormer…
Boolavogue, Slate Cabin Lane, Sandyford, Dublin 18
D06B/0291Dún Laoghaire–RathdownLodged 3 Apr 2006Alterations
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