Part granted, part refusedAlterationsDecided 3 February 2023

18, Leeson Park, Dublin 6, D06 H7T2

Alterations to a previously approved extension and restoration works at a protected house on Leeson Park.

5360/22 · Dublin City Council · Lodged 2 December 2022

Reference: 5360/22
Authority: Dublin City Council
Register status: Decided
Type: Permission
Received: 2 December 2022

Summary

AI-generated

The application seeks to alter a previously approved four-level side extension, increasing its depth to form a single-storey glazed extension across the garden. Works also include brickwork cleaning, repointing, replacing window glazing with slim-line double glazing, and installing an insulated limecrete floor slab.

Alterationsprotected structurerestorationglazing

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 following works: a) alteration of the previously approved (but not built) four level extension to the side (register reference 4006/21, by the extension towards the rear of the garden level of said extension by 845mm, and; (b) the extension of the garden level return by 610mm and; c) the increase in depth by 845mm of the approved extension at the north-west side of the site (register reference 4006/21). All the foregoing to form single-storey glazed extension over the full width of the garden and located 320mm from the existing three storey return. D) the cleaning and repointing in lime mortar of the brickwork to the front of the house; e) the replacement of late twentieth-century plate glass with slim-line double glazed units to original timber sash windows; f) the replacement of the existing concrete floor slab with an insulated limecrete floor slab to the entire garden level.

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.

Recent sales nearby

within 500 m

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
St Patricks Missionary Society, 21 Leeson Park, Dublin 6	Apr 2025	€6,000,000	19 m
45 Northbrook Ave, Ranelagh, Dublin 6	Oct 2025	€1,087,000	89 m
51 Northbrook Ave, Ranelagh, Dublin 6	Dec 2025	€1,025,000	117 m
37 Fitzwilliam Court, Winton Rd, Dublin 6	Aug 2025	€415,000	120 m
32 Fitzwilliam Court, Winton Rd, Ranelagh	Jan 2025	€415,000	120 m
13 Fitzwilliam Court, Winton Rd, Ranelagh Dublin 6	Apr 2025	€410,000	120 m
39 Fitzwilliam Court, Winton Rd, Dublin 6	Mar 2025	€373,500	120 m
9a Fitzwilliam Court, Winton Rd, Ranelagh Dublin 6	Dec 2025	€610,000	120 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 received2 December 2022
Decision due3 February 2023
Decision issued3 February 2023
Grant issued21 March 2023

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