Planning appeal decision
21 Colbrook Avenue, Hayes, UB3 1TG
Planning appeal 3309453 at 21 Colbrook Avenue, Hayes, UB3 1TG (London Borough of Hillingdon) was allowed on 10 May 2023 by Inspector Scott A, by written representations. The main issue, as the Inspector framed it: Whether or not the development is permitted development under Schedule 2, Part 1, Class A of the GPDO.
Single Storey Ground Floor Rear Extension
- Authority
- London Borough of Hillingdon
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Scott A
- Postcode
- UB3 1TG
Main issues, as the Inspector framed them
- Whether or not the development is permitted development under Schedule 2, Part 1, Class A of the GPDO
What decided it
The Inspector's assessment that the bay window projection does not constitute a wall forming a side elevation of the original dwellinghouse, and therefore the extension complies with the size and dimensional limitations of Class A permitted development.
The decision letter
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With an account
What an account adds to this decision


More decisions in London Borough of Hillingdon
The authority’s record since 2016 · every decision in 2023
- Dismissed27 October 202660153104 Albany Close, Ickenham, UB10 8QW
- Dismissed27 October 2026600985618-20 Wilmar Close, Hayes, UB4 8ET
- Dismissed21 October 2026601178225 Stirling Road, Hayes, UB3 3AH
- Dismissed19 October 20266011268364 Victoria Road, Ruislip, HA4 0ET
- Allowed6 October 2026601385888 Stormount Drive, Hayes, UB3 1RH
The main issues, what decided it, the planning balance and the policies and judgments listed as cited are read from the published letter by Town Planner Pro and are our summary, not the Inspector’s words; the letter itself is the record. Contains public sector information licensed under the Open Government Licence v3.0. Research, not advice.
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