GrantedAlterationsDecided 17 November 2015

17, Hersil Wood, Knocklyon, Dublin 16

Amendments to an approved house design to add a single-storey side extension.

SD15A/0287 · South Dublin County Council · Lodged 24 September 2015

Reference: SD15A/0287
Authority: South Dublin County Council
Register status: Decided
Type: Permission
Received: 24 September 2015
Residential units: 1
Floor area: 196 m²

Summary

AI-generated

The applicant seeks amendments to a previously approved 5-bedroom, 2.5-storey semi-detached house. The changes include adding a 24 square metre single-storey side extension to the building prior to its construction.

Alterationsamendmentextension

Storeys: 3

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

Amendments to previously approved five bedroom, two and a half storey semi detached house, reg ref sd13a/0240, to include the construction of a single storey side extension (24sq. M) and all associated site works. The proposal is seeking an extension to a building not built. This house is commencing construction 1st october 2015.

Land-use zoning

What this land is zoned for

RESRS

“To protect and/or improve residential amenity”

National zoning type: Existing residential

Objective set by the South Dublin 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 February 2016. A completion certificate was lodged on 4 May 2016.

Recent sales nearby

within 500 m

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
No 2 The Lodge, Hersil Wood, Knocklyon	Jan 2025	€940,000	91 m
30 Ballyroan Park, Templeogue, Dublin 16	Dec 2025	€675,000	137 m
57 Knockcullen Drive, Knocklyon, Rathfarnham	Dec 2025	€820,000	159 m
60 Knockcullen Dr, Knocklyon, Dublin 16	Jul 2025	€740,000	168 m
8 Knocklyon Dr, Templeogue, Dublin 16	Sept 2025	€755,000	190 m
11 Ballyroan Park, Templeogue, Dublin 16	Sept 2025	€710,000	196 m
66 Knockcullen Dr, Knocklyon, Dublin 16	Oct 2025	€850,000	198 m
57 Elkwood, Rathfarnham, Dublin 16	May 2026	€740,000	214 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 received24 September 2015
Decision due18 November 2015
Decision issued17 November 2015
Grant issued12 January 2016

In the area

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