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Planning appeal decision

Dismissed22 April 20253348344

29 Knox Street, City of Westminster, London, W1H 1FS

Planning appeal 3348344 at 29 Knox Street, City of Westminster, London, W1H 1FS (City of Westminster Council) was dismissed on 22 April 2025 by Inspector Heywood S, by written representations. The main issue, as the Inspector framed it: The impact on the living conditions of nearby occupiers having regard to overlooking and privacy.

the demolition of an existing single storey extension, and the erection of a single storey rear extension and a roof terrace with associated access

Authority
City of Westminster Council
Appeal type
other · Listed Building Consent & Conservation Area Consent Appeal
Procedure
Written Representations
Development
residential · Householder developments
Inspector
Heywood S
Postcode
W1H 1FS

Main issues, as the Inspector framed them

  • The impact on the living conditions of nearby occupiers having regard to overlooking and privacy
  • The effect of the proposal on the special interest of the Grade II listed building 29-31, Knox Street W1 and the character and appearance of the Portman Estate Conservation Area

What decided it

The harm to the special interest of the listed building and the character and appearance of the conservation area, combined with the overlooking and privacy harm to neighbouring occupiers, could not be justified by the identified public benefits.

What the Inspector cited

Development plan policies
City Plan Policy 7Policy 38CPolicy 38BPolicy 39Policy 40BPolicy 40E
National Planning Policy Framework
Paragraph 212Paragraph 215

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 City of Westminster Council

The authority’s record since 2016 · every decision in 2025

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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.

In the app this decision sits on the map beside every appeal around it, with its letter to read and the main issues, policies and judgments cited picked out.