Planning Permission Ireland
GrantedExtensionDecided 12 March 2026

2, Knocklyon Avenue, Knocklyon, Dublin 16, D16 H3K8

Demolition of a shed and construction of a two-storey extension to the front, side, and rear of a house.

SD26B/0032W · South Dublin County Council · Lodged 26 January 2026

Reference
SD26B/0032W
Authority
South Dublin County Council
Register status
Decided
Type
Permission
Received
26 January 2026

Summary

AI-generated

The development consists of the demolition of an existing lean-to shed and the construction of a two-storey extension to the front, side, and rear of the existing dwelling. The project also includes internal reconfigurations, solar panels, and new boundary walls.

Extensionextensiondemolitionsolar
Storeys
2

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

(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.

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
AddressDatePriceDistance
2 Knocklyon Ave, Knocklyon Woods, Dublin 16Dec 2025€881,0003 m
4 Knocklyon Avenue, Templeogue, Dublin 16May 2025€670,00012 m
18 Delaford Dr, Knocklyon, Dublin 16Jul 2026€655,000110 m
19 Knocklyon Green, Templeogue, Dublin 16May 2025€830,000170 m
35 Mount Alton, Knocklyon, Dublin 16Feb 2025€595,000171 m
12 Delaford Park, Dublin 16, DublinNov 2025€720,000194 m
60 Knocklyon Green, Templeogue, Dublin 16Apr 2026€650,000213 m
5 Idrone Park, Knocklyon Wood, Templeogue Dublin 16Jun 2025€680,000267 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

  1. Application received26 January 2026
  2. Decision due23 March 2026
  3. Decision issued12 March 2026
  4. Permission expiry21 April 2031

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