Exempt — no permission neededExtensionDecided 16 December 2025

Lisfannon, Carrickbrennan Road, Monkstown, Co. Dublin

Demolition of a single-storey rear extension and construction of a new single-storey extension in its place.

REF18525 · Dun Laoghaire Rathdown County Council · Lodged 27 November 2025

Reference: REF18525
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Section 5
Received: 27 November 2025

Summary

AI-generated

This Section 5 application is for the demolition of an existing single-storey ground floor extension that abuts a neighbour's extension. A new single-storey ground floor extension will be constructed in the same location, along with associated site works and landscaping.

Extensionextensiondemolitionsection 5

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

Demolition of existing single-storey ground floor extension which abuts a neighbours (no
Extension construction of new single-storey, ground floor extension in same location as existing associated site works & landscaping

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
1 Uplands, The Hill, Monkstown	Apr 2025	€2,750,000	50 m
Apt 12, Richmond House, Richmond Hill	Jun 2026	€550,000	124 m
30 Carrig House, Carrickbrennan Rd, Monkstown	Jul 2025	€565,000	127 m
29 Carrig House, Carrickbrennan Rd, Monkstown	Jan 2026	€380,000	127 m
1 Alma Park, Monkstown, Dublin	Jan 2025	€800,000	175 m
Pakenham Lodge, Pakenham Road, Monkstown	Jul 2026	€2,150,000	180 m
15 Carrickbrennan Lawn, Monkstown, Dublin	Apr 2025	€1,430,000	218 m
17 Alma Park, Monkstown, Dublin	Aug 2025	€750,000	246 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 received27 November 2025
Decision due2 January 2026
Decision issued16 December 2025

In the area

Applications near this site

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Related developments

Similar applications

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Community

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