20, Waltham Terrace, Blackrock, (A Protected Structure)
Demolition of a rear conservatory and bay window for a new extension and internal modifications to a protected structure.
D20A/0914 · Dun Laoghaire Rathdown County Council · Lodged 8 December 2020
- Reference
- D20A/0914
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 8 December 2020
Summary
AI-generatedThe project involves the demolition of a non-original conservatory and two-storey bay window at the rear of a protected structure. It will be replaced with a new single-storey extension and two-storey bay window, alongside internal staircase modifications and wall removals.
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 the following works. Demolition of non-original single-storey conservatory and non-original two-storey bay window at rear; construction of new single-storey extension and two-storey bay window at rear; internal works to include modifications to staircase, demolition of original and non-original walls and partitions, construction of new stud partitions, together with associated works; external works to include removal of non-original dormers to rear, modifications to ...
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 26 April 2021. A completion certificate was lodged on 21 February 2024.
Notified floor area: 354.6 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 54 Waltham Terrace, Blackrock, Co. Dublin | May 2025 | €2,200,000 | 78 m |
| 33 Waltham Terrace, Blackrock, Co. Dublin | Mar 2026 | €1,130,000 | 98 m |
| 45 Green Road, Blackrock, Co Dublin | Mar 2026 | €1,350,000 | 120 m |
| 7 Waltham Hse, Clonfadda, Blackrock | May 2026 | €625,000 | 139 m |
| 26 Woodview, Mount Merrion Ave, Blackrock | Mar 2026 | €600,000 | 140 m |
| 15 Woodview, Mount Merrion Ave, Blackrock | Aug 2025 | €230,000 | 153 m |
| 11 Woodview, Mount Merrion Ave, Blackrock | Jan 2026 | €550,000 | 162 m |
| 35 Woodview, Mount Merrion Ave, Blackrock | Sept 2025 | €580,000 | 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 received8 December 2020
- Decision issued3 February 2021
In the area
Applications near this site
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