21 Sydney Lodge, Sydney Avenue, Blackrock, Dublin, A94EW74 (A Protected Structure)
Two-storey rear extension and widening of the vehicular entrance at a protected structure.
D25A/0144/WEB · Dun Laoghaire Rathdown County Council · Lodged 24 February 2025
- Reference
- D25A/0144/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 24 February 2025
Summary
AI-generatedThe development consists of a two-storey rear extension to include an extended master bedroom, utility room, glazed orangerie, and extended rear porch. It also includes widening the existing vehicular entrance to 4.5m at a Protected Structure.
- Storeys
- 2
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
- A two storey rear extension to include an extended master bedroom and utility room on the lower ground floor, a glazed orangerie and extended rear porch with steps to the rear garden on the upper ground floor level and
- Widening of the existing vehicle entrance from 3.16m to 4.5m along with all associated site works to an existing house which is a protected structure in the sydney avenue architectural conservation area
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 |
|---|---|---|---|
| 46 Frascati Park, Blackrock, Dublin | Sept 2025 | €1,584,000 | 61 m |
| 10 Green Rd, Blackrock, Dublin | Oct 2025 | €820,000 | 111 m |
| 3 Avoca Place, Blackrock, Dublin | Dec 2025 | €671,000 | 159 m |
| 9 Anglesea Ave, Blackrock, Dublin | Nov 2025 | €1,510,000 | 168 m |
| 9 Avoca Place, Blackrock, Dublin | Jul 2025 | €1,250,000 | 177 m |
| 16 Avoca Place, Blackrock, Dublinnot full market price | Sept 2025 | €500,000 | 188 m |
| 23 Convent Rd, Dalkey, Dublin | Jun 2026 | €650,000 | 201 m |
| 4 Anglesea Ave, Blackrock, Dublin | Dec 2025 | €1,360,000 | 212 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 received24 February 2025
- Decision due17 April 2025
- Decision issued15 April 2025
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- InvalidAt this site
The development will consist of — A two storey rear extension to include an extended master bedroom and…
Sydney Lodge, 21 Sydney Avenue, Blackrock, Dublin, A94EW74
D25A/0104/WEBDún Laoghaire–RathdownLodged 11 Feb 2025Extension
- Awaiting decisionAt this site
Compliance with Condition No.2a of Reg Ref No. D25A/0144/WEB
21 Sydney Lodge, Sydney Avenue, Blackrock, Dublin, A94EW74 (A Protected Structure)
D25A/0144/WEB/C1Dún Laoghaire–RathdownLodged 7 Jan 2026Other
- Awaiting decisionAt this site
Compliance with Condition No.2b of Reg Ref No. D25A/0144/WEB
21 Sydney Lodge, Sydney Avenue, Blackrock, Dublin, A94EW74 (A Protected Structure)
D25A/0144/WEB/C2Dún Laoghaire–RathdownLodged 7 Jan 2026Other
- Awaiting decisionAt this site
Compliance with Condition No.2c of Reg Ref No. D25A/0144/WEB
21 Sydney Lodge, Sydney Avenue, Blackrock, Dublin, A94EW74 (A Protected Structure)
D25A/0144/WEB/C3Dún Laoghaire–RathdownLodged 7 Jan 2026Other
- GrantedAt this site
Permission is sought for the demolition of a single storey bay window and replacement with an enlarged single…
19A, Sydney Avenue, Blackrock,Co Dublin
D18A/0716Dún Laoghaire–RathdownLodged 23 Jul 2018Extension
- Granted30 m away
Permission is sought for internal alterations, repair and refurbishment of the existing dwelling, enlarging…
15, Sydney Avenue, Blackrock, Co. Dublin
D12A/0259Dún Laoghaire–RathdownLodged 23 Oct 2012Alterations
- Granted40 m away
Permission is sought for general restoration and decoration works; the demolition of an existing single…
25, Sydney Avenue, Blackrock, Co. Dublin
D17A/0810Dún Laoghaire–RathdownLodged 8 Sept 2017Extension
- Granted50 m away
Demolish existing two storey bathroom extension to rear and lean-to shed to party wall and re-building…
11, Sydney Avenue, Blackrock, Dublin
D07A/1727Dún Laoghaire–RathdownLodged 1 Apr 2008Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- InvalidExtension
The development will consist of — A two storey rear extension to include an extended master bedroom and…
Sydney Lodge, 21 Sydney Avenue, Blackrock, Dublin, A94EW74
D25A/0104/WEBDún Laoghaire–RathdownLodged 11 Feb 2025
- GrantedExtension
Construction of a 2 storey extension to the rear (north), a single storey extension to the side (west),…
No. 21 Rossa Avenue, Rosscarbery, Co. Cork,
20706corkLodged 3 Dec 2020
- GrantedExtension
The development will consist of: (A) The demolition of: (i) 11.8 sqm single-storey rear extension and sun…
18, Trafalgar Lane, Blackrock, Co. Dublin, A94X299
D24A/0846/WEBDún Laoghaire–RathdownLodged 21 Oct 2024
- RefusedExtension
A ground & first floor extension to the side and rear. The proposed development is located in an…
Rathbarry, Silchester Road, Glenageary, Dublin, A96C8C0
D25A/0479/WEBDún Laoghaire–RathdownLodged 16 Jun 2025
- Awaiting decisionExtension
The development will consist of the demolition of the existing single-storey rear extension and small…
St Judes, 33, Shandon Drive, Phibsborough, Dublin 7, D07X3P4
WEB2617/26Dublin CityLodged 30 Jun 2026
- GrantedExtension
Construction of a single storey extension on the north side to comprise two ensuites and a walk in wardrobe,…
Mannford, Seafield Avenue, Monkstown, Blackrock, Dublin, A94D9K6
D24A/0357Dún Laoghaire–RathdownLodged 23 May 2024
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