123A Central Avenue, Hayes, UB3 2BS

Planning appeal 3373647 at 123A Central Avenue, Hayes, UB3 2BS (London Borough of Hillingdon) was dismissed on 11 February 2026 by Inspector Barnes S, by written representations. The main issue, as the Inspector framed it: whether the principle of development is acceptable in this location having regard to the effect of the proposal on the character and appearance of the area and on the significance of the ASLC, a non-designated heritage asset.

alterations and extension to existing part single/part two storey side extension to create new end of terrace dwelling with associated amenity, parking and bin storage

Authority: London Borough of Hillingdon
Appeal type: minor · Planning Appeal
Procedure: Written Representations
Development: residential · Minor Dwellings
Inspector: Barnes S
Postcode: UB3 2BS

Main issues, as the Inspector framed them

whether the principle of development is acceptable in this location having regard to the effect of the proposal on the character and appearance of the area and on the significance of the ASLC, a non-designated heritage asset
whether adequate living conditions would be provided for future occupiers with particular regard to provision for outdoor amenity space

What decided it

The proposal would harm the character and appearance of the area and the significance of the ASLC through erosion of spacious building gaps and inconsistent plot layouts, and this harm carries significant weight that outweighs the limited benefits of providing one additional dwelling.

What the Inspector cited

Development plan policies: Policy BE1Policy DMH 6Policy DMHB 5Policy DMHB 11Policy DMHB 12Policy DMHB 14Policy DMHB 18Policy D3Policy D4Policy D6Policy D8
National Planning Policy Framework: Paragraph 216

How the Inspector dealt with each one is set out in the app, in order: the development plan, national policy, housing land supply, other considerations and the planning balance, beside the letter.

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The decision letter

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More decisions in London Borough of Hillingdon

The authority’s record since 2016 · every decision in 2026

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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.