InvalidExtensionDecided 30 May 2023

31, St. Mary's Road, Ballsbridge, Dublin, D04E9E8

Demolition of a conservatory and lean-to, and construction of a new garden room and side extension at a protected house.

3767/23 · Dublin City Council · Lodged 16 May 2023

Reference: 3767/23
Authority: Dublin City Council
Register status: Decided
Type: Permission
Received: 16 May 2023

Summary

AI-generated

The project at a protected structure involves removing a non-original conservatory and a single-storey lean-to extension. It includes constructing a new single-storey garden room, a raised roof on the side infill extension, internal layout modifications, and window restoration.

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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

Protected structure: permission: for
The removal of the roof and internal walls to side infill
The removal of a non-original conservatory (9.2m2)
The demolition of a single-storey lean-to extension to the rear (16m2)
New raised roof and roof lights to side infill extension
New single storey garden room (52m2), with new courtyard
New opening and double doors between kitchen and living room and new opening and double doors to rear of the return into the garden room, both at ground floor level
Modifications to ground floor including raising the floor level in the kitchen and installing a new insulated floor with under floor heating throughout this level, as well as required treatment of damp
Minor alterations to internal layouts
New layouts to bathrooms throughout
New bathroom at first floor level
The restoration of original windows throughout, including the installation of new heritage slimline glazing, and to the front door and side gates
Repair and replacement as required of rainwater goods
Repointing to existing brick and masonry facades and to brick chimneys
Minor repairs to roof of main house and the installation of 2 no rooflights
Pv panels proposed to the inner slopes of double pile roof and associated works
New window at first floor level
Relocation of 2 no windows at attic floor level
Upgrading of services
Landscaping to front and rear gardens including the installation of a new natural-water lap pool to rear garden
All associated site works. To the mews dwelling
Internal alterations at ground and first floors including the relocation of the stairs, new bathroom at ground floor and new layout to bathroom at first floor, 22 )construction of a new 23.7m2 single storey side extension
Replacement of all non-original windows for timber sash type with acoustic double glazing
Installation of new windows and doors and infill of existing, including garage door
Removal of roof finishes including asbestos tiles and reinstatement with natural slate to match original
Installation of pv panels on south-facing pitch and associated works
Replacement of pvc and corroded rainwater goods
Repointing to existing stone and brick facades as required and treatment of damp
Upgrading of services including installation of uf heating at ground floor level
Replacement of existing access gates
Installation of electric car port
Landscaping and all associated site works

Land-use zoning

What this land is zoned for

Z2: Residential Neighbourhoods (Conservation Areas)RS

“To protect and/or improve the amenities of residential conservation areas.”

National zoning type: Existing residential

Objective set by the 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 2 January 2024.

Notified floor area: 458 m²

2 commencement notices are linked to this development.

Recent sales nearby

within 500 m

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
Apt 8, Arranmore, 13 17 Pembroke Rd Dublin 4	Aug 2025	€390,000	58 m
1 The Moorings, St Marys Rd, Ballsbridge Dublin 4	Dec 2025	€485,000	77 m
7 The Moorings, St Marys Rd, Ballsbridge Dublin 4	May 2025	€320,000	77 m
35 Pembroke Gardens, Ballsbridge, Dublin 4	Jan 2025	€875,000	79 m
54a Baggot Lane, Ballsbridge, Dublin 4	Oct 2025	€530,000	111 m
14 Haddington Place, Ballsbridge, Dublin	Jul 2025	€1,550,000	134 m
91 St Mary's Lane, Dublin 4not full market price	Jan 2026	€210,000	136 m
9 70 To 72 Pembroke Road, Dublin 2, Dublin	Jun 2025	€560,000	145 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 received16 May 2023
Decision due10 July 2023
Decision issued30 May 2023

In the area

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Related developments

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