Planning Permission Ireland
GrantedExtensionDecided 15 October 2025

44, Knockcullen Lawn, Knocklyon, Dublin 16, D16 ND86

Demolition of rear extension and shed, and construction of a single-storey rear extension with a first-floor bay window.

SD25B/0504W · South Dublin County Council · Lodged 21 August 2025

Reference
SD25B/0504W
Authority
South Dublin County Council
Register status
Decided
Type
Permission
Received
21 August 2025

Summary

AI-generated

The development consists of the demolition of an existing rear extension and shed. It will be replaced by a single-storey flat-roof rear extension with a covered patio, flat rooflights, and a new first-floor bay window over the new extension.

Extensionextensiondemolitionpatio

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 existing rear extension and shed; (ii) construction of single storey flat roof extension to the rear of existing two storey dwelling with covered patio and flat roof rooflights; (iii) construction of new bay window at first floor level over new extension to the rear of existing dwelling; (iv) new windows; landscaping, suds drainage and all associated works 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
57 Knockcullen Drive, Knocklyon, RathfarnhamDec 2025€820,00036 m
60 Knockcullen Dr, Knocklyon, Dublin 16Jul 2025€740,00052 m
66 Knockcullen Dr, Knocklyon, Dublin 16Oct 2025€850,000103 m
54 Ashton Ave, Knocklyon, Dublin 16Oct 2025€850,000136 m
14 Ashton Ave, Knocklyon, Dublin 16Feb 2025€655,000144 m
No 2 The Lodge, Hersil Wood, KnocklyonJan 2025€940,000166 m
57 Elkwood, Rathfarnham, Dublin 16May 2026€740,000174 m
27 Ashton Lawn, Knockallen, TempleogueJun 2026€490,000176 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 received21 August 2025
  2. Decision due15 October 2025
  3. Decision issued15 October 2025
  4. Permission expiry24 November 2030

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