74 Mount Merrion Avenue, Blackrock, Co Dublin
Demolition of non-original extensions and construction of a part-single, part-two-storey rear extension.
D19A/0875 · Dun Laoghaire Rathdown County Council · Lodged 14 November 2019
- Reference
- D19A/0875
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 14 November 2019
Summary
AI-generatedThe project involves the demolition of a front porch, rear sunroom, chimney, and external sheds. It will be replaced with a part-single, part-two-storey rear extension, a single-storey front/side extension, and a widened vehicle entrance with motorized gates.
- 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
Permission for the following: (1) demolition of the following non original front porch and extension, sun room to rear, rear and side chimney and external sheds, (2) construction of a new part single part two storey extension to rear, single storey extension to front and side including 2 new bay windows, relocation of front entrance, new velux roof light to existing main roof, (3) widening of existing vehicle entrance and provision of new motorised gates, landscaping and all associated site w...
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 5 May 2020.
Notified floor area: 243 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 17 Hyde Park Avenue, Blackrock, Co Dublin | Dec 2025 | €1,600,000 | 135 m |
| Apt 11, Dawson Court, Cross Ave | Jan 2025 | €480,000 | 137 m |
| Apt 4, Dawson Court, Cross Ave | Mar 2026 | €510,000 | 137 m |
| 10 Dawson Court, Cross Ave, Blackrock | May 2026 | €527,000 | 137 m |
| Kali House, Mount Merrion Ave, Blackrock | Sept 2025 | €1,000,000 | 157 m |
| 7 Waltham Hse, Clonfadda, Blackrock | May 2026 | €625,000 | 165 m |
| 54 Waltham Terrace, Blackrock, Co. Dublin | May 2025 | €2,200,000 | 179 m |
| 4 Cross Avenue, Blackrock, Co Dublin | Apr 2025 | €1,890,000 | 187 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 received14 November 2019
- Decision issued16 January 2020
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted40 m away
Conversion of attic space to incorporate bedroom and bathroom with balcony to rear and new Velux windows.…
Kylemore,, Hyde Park Avenue, Blackrock, Co. Dublin.
D02B/0058Dún Laoghaire–RathdownLodged 7 Jun 2002Extension
- Granted50 m away
Permission to construct the folowing (1) A single storey ground floor extension (45sq.m) to the side (south)…
1, Hyde Park Avenue, Blackrock, Co Dublin
D16A/0199Dún Laoghaire–RathdownLodged 24 Mar 2016Extension
- Granted70 m away
A single storey extension to the rere of the existing dwelling, single storey extension to the front of the…
3, Hyde Park Avenue, Blackrock, Co Dublin
D07B/1016Dún Laoghaire–RathdownLodged 19 Dec 2007Extension
- Refused70 m away
Demolition of existing rear extension and construction of new part-single, part-2-storey extension to rear,…
3, Hyde Park Avenue, Blackrock, Co. Dublin.
D07B/0775Dún Laoghaire–RathdownLodged 29 Aug 2007Extension
- Granted70 m away
Permission for development consisting of demolition of existing single storey extension to rear and proposed…
Glenside, 63, Mount Merrion Avenue, Blackrock, Co Dublin, A94Y6W3
D20A/0922Dún Laoghaire–RathdownLodged 9 Dec 2020Extension
- Granted70 m away
Permission for development consisting of: (1) Alterations to existing garage to include extension to front…
Glenside, 63, Mount Merrion Avenue, Blackrock, Co Dublin, A94Y6W3
D22A/0396Dún Laoghaire–RathdownLodged 10 Jun 2022Extension
- Refused70 m away
Detached one and half storey house and driveway
1 Glenvar Park, Blackrock, Co. Dublin.
D02A/0962Dún Laoghaire–RathdownLodged 23 Sept 2002New dwelling
- Granted70 m away
Permission is sought for development consists of the demolition of the garden wall with 2 No. vehicular…
40, Mount Merrion Avenue, Blackrock, Co. Dublin
D12B/0356Dún Laoghaire–RathdownLodged 8 Nov 2012Demolition
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 for demolition of the existing porch extension, garage conversion, side and rear extensions and…
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D14A/0813Dún Laoghaire–RathdownLodged 12 Dec 2014
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PERMISSION: Sought for — Demolition of existing later porch and formation of new porch to side of house
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3955/23Dublin CityLodged 14 Jun 2023
- GrantedExtension
Permission to demolish single storey front, side & rear extensions, extensive internal & external…
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3825/20Dublin CityLodged 27 Nov 2020
- GrantedExtension
Permission is sought for demolition of single storey and two storey extensions to side along boundary and…
75, The Rise, Mount Merrion, Co. Dublin
D14A/0846Dún Laoghaire–RathdownLodged 6 Mar 2015
- GrantedExtension
Permission for the following: a) demolition of the existing garage/single-storey extension to the rear & side…
118 Tree's Road Upper, Mount Merrion, Co. Dublin, A94 PR80
D23A/0524Dún Laoghaire–RathdownLodged 8 Aug 2023
- GrantedExtension
Permission for demolition of existing single storey extension to the side and rear; Demolition of existing…
41, Rathmore Avenue, Kilmacud, Co Dublin, A94H2Y5
D21A/0259Dún Laoghaire–RathdownLodged 30 Mar 2021
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