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South Dublin County Council · SD26B/0032W

2 Knocklyon Avenue, Knocklyon, Dublin 16, D16 H3K8

Approved in Apr 2026. Building started in 2026.

  1. 26 Jan 2026Received
  2. 12 Mar 2026Approved
  3. 22 Apr 2026Final approval
  4. 7 Sept 2026Building started
Status
Building startedi
Decision
Approved · 12 Mar 2026
Council
South Dublin County Council
Type
Permission
Site
472 m²

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What’s proposed

In plain English

Two-storey extension to the front, side and rear of the house

The applicant wants to build a two-storey extension to the front, side and rear of the existing house. This includes internal changes and removing an existing shed and front wall.

  • Demolish a single storey lean-to shed
  • Install one rooflight and two solar panels
  • Build new 1.2m boundary walls to the front
Written by AI from the council’s description

An AI model rewrote the council’s description below in everyday words on 9 Oct 2026. It was told to use only that text, and every number it wrote was checked against it. It says nothing about whether the application will be approved. The council’s wording and planning file are the record.

The council’s description

(i) Demolition of single storey lean-to shed and removal of existing boundary wall to the front; (ii) Construction of a two-storey extension to the front/north, side/west and rear/south of the existing two-storey dwelling with associated internal reconfigurations; (iii) provision of 1 no. rooflight and 2 no. solar panels; (iv) Provision of new boundary walls (1.2m) to the front; and, (v) All ancillary works, inclusive of landscaping, boundary treatments and SuDS drainage, necessary to facilitate the development

Planning details

Reference
SD26B/0032W
Local authority
South Dublin County Council
Status
Commenced · register status “Final Grant”
Received
26 Jan 2026
Observations close
2 Mar 2026 (closed 254 days ago)
Decision due
23 Mar 2026 · decided 12 Mar 2026
Decision
Grant permission on 12 Mar 2026
Site area
472 m² from the mapped boundary, not the council's figure

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Nearby 16 · 500 m · 12 months

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Homes nearby

Development land nearby

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Building started

  • 7 Sept 2026 · Builder told the council work was starting (opted out of the finish sign-off) CN0147042SD

Zoning

R2 — Existing residential

An established residential area. The objective is to protect existing residential amenity as well as to provide housing — which is the objective a neighbour's objection to an overbearing extension is usually argued under.

Where this comes from

National planning feed (NPAD), fetched 11 Sept 2026, 18:51.

Source: National Planning Application Database · fetched 11 Sept 2026, 18:51
SourceLicenceFetchedLink
National Planning Application DatabaseCC BY 4.011 Sept 2026, 18:51open
Summary

SD26B/0032W is a planning application to South Dublin County Council for (i) Demolition of single storey lean-to shed and removal of existing boundary wall to, received on 26 Jan 2026; permission was granted on 12 Mar 2026.