30 Sandyford Hall Rise, Dublin 18, (D18 C7F1)
Ground and first-floor side extensions with a cantilever design and new roof windows.
D21B/0340 · Dun Laoghaire Rathdown County Council · Lodged 2 July 2021
- Reference
- D21B/0340
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 2 July 2021
Summary
AI-generatedThe project involves a ground-floor side extension and a first-floor flat-roof side extension that cantilevers over the existing single-storey extension. It also includes new Velux-type windows to the existing roof hip and associated internal alterations.
- 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 sought for: ground floor extension to side (2.2sqm), first floor float roof extension(20.6sqm) to side with cantilever over existing single storey extension, new velux type windows to existing roof hip, associated internal alterations, drainage an external 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 |
|---|---|---|---|
| 7 Ferncarrig Court, Kilgobbin Rd, Sandyford Dublin 18 | Feb 2026 | €731,500 | 149 m |
| 18 Grianan Fidh, Aikens Village, Sandyford Dublin 18 | Oct 2025 | €450,001 | 153 m |
| 68 Grianan Fidh, Aikens Village, Sandyford | Mar 2025 | €525,000 | 159 m |
| 13 Ferncarrig Court, Leopardstown, Dublin 18 | Dec 2025 | €650,000 | 163 m |
| 38 Sandyford Hall Crescent, Sandyford, Dublin 18 | Dec 2025 | €657,000 | 173 m |
| 144 Grianan Fidh, Aikens Village, Sandyford Dublin 18 | Dec 2025 | €725,000 | 176 m |
| Apt 150, Grianan Fidh, Aikens Village Dublin 18 | Jan 2025 | €330,000 | 181 m |
| Apt 145, Grianan Fidh, Aikens Village Dublin 18 | May 2025 | €567,300 | 186 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 received2 July 2021
- Decision issued25 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
Permission is sought for a single storey side extension
30, Sandyford Hall Rise, Sandyford Dublin 18
D05B/0552Dún Laoghaire–RathdownLodged 18 Jul 2005Extension
- GrantedAt this site
Permission for development. The development will consist of: New dormer to rear of existing first floor roof,…
29 Ferncarrig Avenue, Sandyford, Dublin 18, D18 P3F1
D21B/0390Dún Laoghaire–RathdownLodged 26 Jul 2021Extension
- Granted40 m away
Conversion of existing attic space comprising of modification of existing roof structure, raising of existing…
25, Ferncarrig Avenue, Sandyford, Dublin 18, D18R2W6
D25B/0347/WEBDún Laoghaire–RathdownLodged 17 Jun 2025Extension
- Part granted, part refused50 m away
Conversion of existing attic space comprising of modification of existing roof structure, 2no. roof windows…
24, Ferncarrig Avenue, Ferncarrig, Kilgobbin, Dublin 18, D18E2Y1
D25A/0817/WEBDún Laoghaire–RathdownLodged 28 Oct 2025Extension
- Granted50 m away
For a single storey extension to accommodate a kitchen and utility to the rear
24, Ferncarrig Avenue, Sandyford, Dublin 18
D05B/0113Dún Laoghaire–RathdownLodged 24 Feb 2005Extension
- Granted70 m away
Single storey 29.6 metre square extension to the rear of house comprising a new living room, utility room and…
1, Ferncarrig Rise, Fernleigh, Kilgobbin Road, Sandyford, Dublin 18
D06B/0063Dún Laoghaire–RathdownLodged 2 Feb 2006Extension
- Granted90 m away
Attic conversion to include study, storage and toilet areas along with dormer window and roof light to rear,…
6, Sandyford Hall Rise,Sandyford, Dublin 18
D07B/0877Dún Laoghaire–RathdownLodged 19 Oct 2007Extension
- Granted90 m away
Permission for the conversion of the attic to a bedroom with dormer type flat roof to rear of existing…
19 Sandyford Hall Place, Sandyford, Dublin D18 V0H1
D18B/0343Dún Laoghaire–RathdownLodged 2 Aug 2018Extension
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 single storey rear extension, 2 storey side extension with extension of existing…
45, Tudor Lawns, Leopardstown Road, Foxrock, Dublin 18, D18V6K7
D25B/0430/WEBDún Laoghaire–RathdownLodged 30 Jul 2025
- GrantedExtension
Permission sought for new single storey extension to side and rear with flat roof lights and projecting…
66 Dale Road, Stillorgan, Co. Dublin, (A94 YV810
D21B/0288Dún Laoghaire–RathdownLodged 8 Jun 2021
- GrantedExtension
Permission sought for (a) Removal of existing storey rear extension (b) construction of new single storey…
18, Thornhill Road, Mount Merrion, Co. Dublin, A94 YX22
D20B/0050Dún Laoghaire–RathdownLodged 24 Jul 2020
- GrantedExtension
Permission is sought for construction of two storey extension to the side and front with attic; a single…
19, Glencairn Oaks, The Gallops, Leopardstown, Dublin 18
D17B/0043Dún Laoghaire–RathdownLodged 26 Jan 2017
- GrantedExtension
Permission for construction of two storey extension to the side and single storey extension to the front and…
2, Sweetmount Park, Dundrum, Dublin 14
D13B/0392Dún Laoghaire–RathdownLodged 10 Dec 2013
- GrantedExtension
Permission for construction of a two storey extension to side, new lean to roof over existing first floor…
Lissadell, Ulverton Close, Dalkey, Co Dublin
D18A/0362Dún Laoghaire–RathdownLodged 23 Apr 2018
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