12 Glenart Avenue, Blackrock, Co. Dublin, A94 A5V9
Amendments to a previously permitted extension to increase its length by 1.2 metres.
D20A/0799 · Dun Laoghaire Rathdown County Council · Lodged 3 November 2020
- Reference
- D20A/0799
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 3 November 2020
Summary
AI-generatedThe applicant seeks permission for an amendment to previously granted planning permission D20A/0074. The amendment consists of a 1.2m increase in the length of the permitted single-storey rear extension, adding 12 sq.m to result in a total extension of 145 sq.m.
- Storey
- 1
- Floor area
- 145 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 an amendment to the previously granted planning permission d20a/0074. The amendment will consist of a 1.2m increase in the length of the permitted single storey rear extension (additional 12 sq. M, resulting in a total extension of 145 sq. M).
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.
Built — construction complete
A commencement notice records works starting on 10 May 2021. A completion certificate was lodged on 27 October 2022.
Notified floor area: 306 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 19 Ascall Gleannart, An Charraig Dhubh, Baile Ath Cliath | Jan 2026 | €1,380,000 | 56 m |
| 3 Avoca Grove, Grove Avenue, Blackrockprice excludes VAT | Jun 2025 | €1,277,533 | 73 m |
| 7 Avoca Grove, Blackrock, Dublinprice excludes VAT | May 2025 | €1,255,500 | 106 m |
| 5 Glenart Avenue, Blackrock, Co Dublin | Aug 2025 | €1,900,000 | 106 m |
| 5 Avoca Grove, Blackrockprice excludes VAT | Jul 2025 | €1,277,533 | 108 m |
| 6 Avoca Grove, Blackrockprice excludes VAT | May 2025 | €1,255,507 | 108 m |
| 4 Avoca Grove, Blackrockprice excludes VAT | Mar 2025 | €1,277,534 | 114 m |
| 2 Avoca Grove, Blackrock, Co. Dublinprice excludes VAT | Apr 2025 | €1,277,533 | 123 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 received3 November 2020
- Decision issued16 December 2020
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: A) The removal of the existing garage, b) The construction of a single storey extension to…
12 Glenart Avenue, Carrysfort, Blackrock, Co. Dublin A94 A5V9
D20A/0074Dún Laoghaire–RathdownLodged 31 Jan 2020Extension
- GrantedAt this site
Permission for the demolition of an existing garage and the construction of a part single storey, part two…
10 Glenart Avenue, Blackrock, Co Dublin
D16A/0591Dún Laoghaire–RathdownLodged 9 Aug 2016Extension
- Granted50 m away
Refurbishment and extension to existing single-storey outbuilding on the eastern boundary, to provide a new…
Altadore, Avoca Avenue, Blackrock, Co. Dublin
D08A/1158Dún Laoghaire–RathdownLodged 22 Dec 2008Extension
- Granted50 m away
Permission for the partial demolition of a garage and demolition of a coal shed and the construction of a…
6 Glenart Avenue, Blackrock, Co. Dublin A94 A3H3
D20B/0007Dún Laoghaire–RathdownLodged 20 Jan 2020Extension
- Granted50 m away
Permission for construction of new single storey bicycle/bin store in the front garden and associated…
Altadore, Avoca Avenue, Blackrock, Co Dublin A94 V0V1 (A Protected Structure)
D18A/1216Dún Laoghaire–RathdownLodged 21 Mar 2019Alterations
- Granted50 m away
(1) The development will consist of (1) Rear and side external elevation changes as well as internal…
Altadore, Avoca Avenue, Blackrock, Co. Dublin
D08A/1021Dún Laoghaire–RathdownLodged 5 Sept 2008Extension
- Granted50 m away
(1) Removal of existing gate and related painted rendered block work piers, including painted concrete…
Altadore, Avoca Avenue, Blackrock, Co. Dublin.
D09A/0233Dún Laoghaire–RathdownLodged 30 Mar 2009Alterations
- Granted50 m away
Internal and external alterations comprising (a) relocation of kitchen from lower ground floor level to…
Avondale, Avoca Avenue, Blackrock, Co. Dublin, A94T6N1 (A Protected Structure)
D25A/0889/WEBDún Laoghaire–RathdownLodged 20 Nov 2025Alterations
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