GrantedExtensionDecided 2 May 2023

12 Monkstown Crescent, Monsktown, Co. Dublin.

Demolition of a rear return and construction of a new split-level courtyard extension and garden room at a protected house in Monkstown.

D22A/1017 · Dun Laoghaire Rathdown County Council · Lodged 5 April 2023

Reference: D22A/1017
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 5 April 2023

Summary

AI-generated

The project involves demolishing an existing two-storey rear return and replacing it with a part two-storey, part single-storey split-level courtyard extension. It also includes extensive internal refurbishments, window repairs, and the construction of a new detached single-storey garden room to the rear. The property is a protected structure.

Extensionprotected structureextensionrefurbishment

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 demolition of existing 2 storey rear return and replacement with a new part 2 storey, part single storey split level courtyard extension, internal modifications and refurbishment works including the removal of existing floor and formation of new slab at lower level, wall insulation at lower level, internal modifications including removal of non original partitions and ceiling lining at lower level, amendment of 2 no. Lower level rear windows to form door openings to access the courtyards, new access door below existing front entrance steps, enlargement of internal door opening at upper level to form an archway and sub division of room at upper level to form wc and cloak room and all associated rewiring, replumbing, insulation, crack repair, plaster moulding repair and re-decoration throughout and the addition of maintainance hatch and roof light to rear pitch and repair and reinstatement of all existing timber sash windows. Construction of new detached single storey garden room to the rear and all ancillary works necessary to complete the development including landscaping and boundary repair to the front and rear. A protected structure (rps 743)

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.

Built — construction complete

A commencement notice records works starting on 10 November 2023.

Notified floor area: 324 m²

Recent sales nearby

within 500 m

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
15a The Mews, Longford Terrace, Monkstown	Dec 2025	€800,000	82 m
10 Longford Terrace, Monkstown, Dublin	Aug 2025	€4,025,000	122 m
29 Carrig House, Carrickbrennan Rd, Monkstown	Jan 2026	€380,000	134 m
30 Carrig House, Carrickbrennan Rd, Monkstown	Jul 2025	€565,000	134 m
Pakenham Lodge, Pakenham Road, Monkstown	Jul 2026	€2,150,000	143 m
Longford Lodge, 25 Monkstown Crescent, Monkstown Blackrock	Mar 2026	€1,350,000	151 m
1 Alma Park, Monkstown, Dublin	Jan 2025	€800,000	180 m
Apt 12, Richmond House, Richmond Hill	Jun 2026	€550,000	189 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 received5 April 2023
Decision due2 May 2023
Decision issued2 May 2023

In the area

Applications near this site

Other planning applications within about 500 m — what else is being proposed or built nearby.

Related developments

Similar applications

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