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Planning appeal decision

Dismissed16 December 20253352175

19 Sloane Avenue, London, SW3 3JD

Planning appeal 3352175 at 19 Sloane Avenue, London, SW3 3JD (Royal Borough of Kensington and Chelsea) was dismissed on 16 December 2025 by Inspector Harwood A, by written representations. The main issue, as the Inspector framed it: The effect of the development on the character and appearance of the area.

Construction of steel pergola structure, with retractable cover, over roof terrace area. Installation of replacement glazing, framing and fascia to rooftop box, to match pergola's finish

Authority
Royal Borough of Kensington and Chelsea
Appeal type
householder · Planning Appeal
Procedure
Written Representations
Development
other · Householder developments
Inspector
Harwood A
Postcode
SW3 3JD

Main issues, as the Inspector framed them

  • The effect of the development on the character and appearance of the area.

What decided it

The pergola's prominent and jarring appearance above the mansard roof, particularly when viewed from the Conservation Area, causes harmful effects on the character and appearance of the area that cannot be outweighed by other material considerations.

What the Inspector cited

Development plan policies
Policy CD1Policy CD2Policy CD3Policy CD4

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 Royal Borough of Kensington and Chelsea

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

  1. Planning permission granted23 July 20263328929
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  5. Dismissed19 May 20266003102
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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.