Trianon and No. 9 Knocksinna Crescent, off Granville Road, Blackrock, Co. Dublin
Demolition of an existing house and outbuildings to build 10 new three-storey, four-bedroom detached houses with a new access road.
D14A/0440 · Dun Laoghaire Rathdown County Council · Lodged 10 July 2014
- Reference
- D14A/0440
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 10 July 2014
Summary
AI-generatedThe development involves the demolition of an existing 326.5 sqm house and outbuildings. In its place, 10 new three-storey, four-bedroom detached houses of approximately 200 sqm each will be constructed. Access will be provided via a new entrance from Knocksinna Crescent, requiring modifications to the side garden and driveway of No. 9.
- Residential units
- 10
- Storeys
- 3
- Floor area
- 2,000 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 for proposed development will comprise demolition of the existing house and outbuildings (c. 326.5sq. M) and construction of a new residential development comprising 10 no. 3-storey, 4 bed, detached houses (each c. 200 sq. M) with off-street parking. The development to be served via a new access from knocksinna crescent with associated works to the side garden of no. 9 knocksinna crescent and relocation/redesign of its existing entrance/driveway. All associated site development, land...
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 |
|---|---|---|---|
| 3 Knocksinna Wood, Blackrock, County Dublin | Mar 2026 | €1,130,000 | 22 m |
| 5 Knocksinna Wood, Blackrock, Co. Dublin | Jul 2025 | €1,010,000 | 32 m |
| Reendonegan, Granvillle Rd, Blackrock | Apr 2026 | €2,397,500 | 86 m |
| 10 Granville Rd, Blackrock, Dublin | May 2025 | €1,320,000 | 93 m |
| 17 Granville Rd, Blackrock, Dublin | Aug 2025 | €2,030,000 | 143 m |
| Amberly, 17a Granville Rd, Blackrock | Jan 2025 | €1,255,000 | 145 m |
| 59 Granville Park, Blackrock, Dublin | May 2026 | €1,140,000 | 204 m |
| 66 Granville Park, Blackrock, Co Dublin | Jul 2025 | €995,000 | 275 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 received10 July 2014
- Decision issued3 September 2014
- Appeal submitted29 September 2014
- Appeal decided11 February 2015
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 for demolition of the existing house and outbuildings (c. 326.5 sqm) and construction of a new…
Site comprising part of the Trianon residential property & no. 9 Knocksinna Crescent, off Granville Road, Blackrock, Co Dublin
D15A/0431Dún Laoghaire–RathdownLodged 27 Oct 2015Housing estate
- Granted30 m away
Planning permission is sought for the retention of — porch to front of house
Trianon, Granville Road, Blackrock, Co. Dublin
D11B/0173Dún Laoghaire–RathdownLodged 19 May 2011Retention
- Granted40 m away
For alterations to the front facade
9, Knocksinna Crescent, Foxrock, Dublin 18
D06B/0205Dún Laoghaire–RathdownLodged 13 Mar 2006Alterations
- Granted40 m away
Permission for relocation of vehicular entrance including provisions of 2 no. new entrance piers and dishing…
9, Knocksinna Crescent, off Granville Park, Blackrock, Co. Dublin
D15A/0487Dún Laoghaire–RathdownLodged 31 Jul 2015Infrastructure
- Granted40 m away
Alterations and extensions to existing single storey four bedroom detached dwelling resulting in an increase…
11, Knocksinna Crescent, Foxrock, Dublin 18
D07B/0915Dún Laoghaire–RathdownLodged 8 Nov 2007Extension
- Granted50 m away
Alterations and extensions to existing single storey four bedroom detached dwelling comprising, a) Demolition…
11, Knocksinna Crescent, Foxrock, Dublin 18
D08B/0797Dún Laoghaire–RathdownLodged 28 Nov 2008Extension
- Granted60 m away
Permission for proposed single storey extensions to front, side and rear of the existing detached bungalow.…
13, Knocksinna Crescent, Foxrock, Dublin 18
D13A/0642Dún Laoghaire–RathdownLodged 5 Dec 2013Extension
- Granted60 m away
The construction of a two-storey extension to the rear including rooflights and associated landscaping works
13, Knocksinna Crescent, Foxrock, Dublin 18, D18C3C5
D24B/0499/WEBDún Laoghaire–RathdownLodged 19 Nov 2024Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedHousing estate
Permission for demolition of the existing house and outbuildings (c. 326.5 sqm) and construction of a new…
Site comprising part of the Trianon residential property & no. 9 Knocksinna Crescent, off Granville Road, Blackrock, Co Dublin
D15A/0431Dún Laoghaire–RathdownLodged 27 Oct 2015
- RefusedHousing estate
Permission for development consisting of the demolition of the existing structures on site and the…
Site of c.0.437 hectares at Killart, Clonkeen Road, off the Old Bray Road and bounded by the N11 to the North, Cornelscourt, Dublin 18
D14A/0286Dún Laoghaire–RathdownLodged 10 Sept 2014
- RefusedHousing estate
(i) Demolition of existing house and removal of trees and hedging to northern boundary; (ii) erection of 4…
Cherbury Mews, Knocklyon Road, Dublin 16
SD07A/0155South DublinLodged 12 Jun 2007
- GrantedHousing estate
Permission for — Demolition of three-storey detached dwelling (297 sqm) and associated outbuildings
Lands at Old Meadow, Priory Avenue/Grove Avenue, Blackrock, Co Dublin
D19A/0201Dún Laoghaire–RathdownLodged 15 Jul 2019
- GrantedNew dwelling
Permission is sought for the demolition of existing two storey detached dwelling and single-storey garage;…
2, Ard Mhuire Park, Killiney, Co Dublin
D17A/0525Dún Laoghaire–RathdownLodged 9 Jun 2017
- WithdrawnHousing estate
Permission is sought for the demolition of 1 no. dwelling house and the construction of a residential…
Fernhill Cottage, Kilgobbin Lane, Stepaside, Dublin 18
D10A/0220Dún Laoghaire–RathdownLodged 23 Apr 2010
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