GrantedExtensionDecided 27 January 2021

4 Martello Terrace, Blackrock, Co. Dublin

Demolition of a rear extension to build a new single-storey rear extension and enlarge a first-floor window.

D20B/0391 · Dun Laoghaire Rathdown County Council · Lodged 3 December 2020

Reference: D20B/0391
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 3 December 2020

Summary

AI-generated

The development consists of the demolition of an existing rear extension. A new single-storey extension will be constructed in its place, alongside alterations to increase the size of an existing first-floor window on the rear elevation.

Extensionextensiondemolitionrear extension

Storey: 1

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

Full permission is being sought for development. The development will consist of (a) demolition of the existing extension to rear, (b) construction of a new single storey extension to the rear of the dwelling house and (c) construct an alteration to increase the size of an existing first floor window on the rear elevation along with all associated services at the above address.

Land-use zoning

What this land is zoned for

Objective ARS

“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 plan

Built & 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

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
67 Rock Rd, Blackrock, Dublin	Mar 2026	€525,000	57 m
11 Marine View, Rock Rd, Blackrocknot full market price	Jun 2025	€52,203	208 m
2 Phoenix Terrace, Blackrock, Dublin	Mar 2025	€1,300,000	233 m
85 Castledawson, Rock Rd, Sion Hill	Jul 2025	€530,000	285 m
77 Castledawson, Rock Rd, Sion Hill	May 2025	€883,100	293 m
97 Castledawson, Sion Hill Rock Rd, Blackrock	Jun 2026	€980,000	313 m
50 Castledawson, Rock Rd, Sion Hill	Jul 2025	€523,000	340 m
4 Castledawson, Rock Rd, Sion Hill	Jan 2026	€498,000	368 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 December 2020
Decision issued27 January 2021

In the area

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Related developments

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