11, Sydney Terrace, Blackrock, Co Dublin
Change of use of a first-floor office unit into residential accommodation.
D21A/0262 · Dun Laoghaire Rathdown County Council · Lodged 31 March 2021
- Reference
- D21A/0262
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 31 March 2021
Summary
AI-generatedThe application seeks a part change of use of an existing first-floor office unit within a three-storey building into residential accommodation. The change of use will return the unit to its original granted residential condition.
- Floor area
- 55 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 is sought for part change of use of the existing 1st floor office unit of the 3-storey flat roof building (height 8.7m) at 11 sydney terrace, blackrock (site area 101.95 sqm), into residential accommodation (floor area 55.4 sqm). The change of use does not include any alterations to the existing ground floor retail or 2nd floor apartment unit. The application seeks to return the 1st floor unit to its original granted condition, prior to the previously granted permission (pr 665/90)...
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 |
|---|---|---|---|
| 9 Avoca Place, Blackrock, Dublin | Jul 2025 | €1,250,000 | 15 m |
| 16 Avoca Place, Blackrock, Dublinnot full market price | Sept 2025 | €500,000 | 40 m |
| 3 Avoca Place, Blackrock, Dublin | Dec 2025 | €671,000 | 40 m |
| 23 Convent Rd, Dalkey, Dublin | Jun 2026 | €650,000 | 69 m |
| 7 Richmond View, South Richmond St, Dublin 2 | Dec 2025 | €387,000 | 84 m |
| 10 Green Rd, Blackrock, Dublin | Oct 2025 | €820,000 | 101 m |
| 9 Anglesea Ave, Blackrock, Dublin | Nov 2025 | €1,510,000 | 166 m |
| 4 Anglesea Ave, Blackrock, Dublin | Dec 2025 | €1,360,000 | 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 received31 March 2021
- Decision issued21 May 2021
- Appeal submitted27 May 2021
- Appeal decided15 June 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 demolition of single storey extension to rear. Construction of single storey…
9, Avoca Place, Blackrock, Co.Dublin
D16B/0520Dún Laoghaire–RathdownLodged 19 Dec 2016Extension
- GrantedAt this site
Permission for development. Permission is sought for the part removal of the existing single storey rear…
1, Selva, Avoca Avenue, Blackrock, Co Dublin, A94Y5W4
D21B/0565Dún Laoghaire–RathdownLodged 15 Oct 2021Extension
- Granted30 m away
Permission is sought for retention and completion of existing one storey extension to the rear / North- West…
5, Avoca Place, Blackrock, Co. Dublin
D11B/0298Dún Laoghaire–RathdownLodged 8 Sept 2011Retention
- Invalid30 m away
Retention planning permission is sought for; increase of 525mm in roof height of existing shed, retention of…
5, Avoca Place, Blackrock, Co. Dublin
D11B/0230Dún Laoghaire–RathdownLodged 7 Jul 2011Retention
- Granted40 m away
Permission is sought for the demolition of a 20sq.m single storey part of dwelling and for construction of…
8, Sydney Terrace, Blackrock, Co. Dublin
D09B/0471Dún Laoghaire–RathdownLodged 9 Mar 2010Extension
- Granted40 m away
Demolition of single storey extension to side — Proposed two-storey extension to side with projecting…
16, Avoca Place, Blackrock, Dublin, A94C9W9
D24A/0082Dún Laoghaire–RathdownLodged 13 Feb 2024Extension
- Granted40 m away
Construction of a 15sqm two storey extension to the side and a single storey extension to the rear of 18sqm,…
27, Convent Road, Blackrock, Dublin, A94P6D8
D23A/0112Dún Laoghaire–RathdownLodged 21 Feb 2023Extension
- Granted50 m away
Amendments to the previously granted D24B/0080, to include A) An air-source heat pump located in the front…
7, Sydney Terrace, Blackrock, Dublin, A94R2H4
D25B/0352Dún Laoghaire–RathdownLodged 15 Aug 2025Alterations
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