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Allowed26 September 20256000274

434 Main Road, Biggin Hill, Bromley, TN162HW

Planning appeal 6000274 at 434 Main Road, Biggin Hill, Bromley, TN162HW (London Borough of Bromley) was allowed on 26 September 2025 by Inspector Fish A, by written representations. The main issue, as the Inspector framed it: Whether the development comprises a use which is part and parcel of the main dwelling or a new self-contained dwelling.

Retrospective planning application for conversion of existing garage and gym into granny annex to be occupied as part of the main dwelling

Authority
London Borough of Bromley
Appeal type
householder · Householder (HAS)
Procedure
Written Representations
Development
residential · Householder developments
Inspector
Fish A
Postcode
TN16 2HW

Main issues, as the Inspector framed them

  • Whether the development comprises a use which is part and parcel of the main dwelling or a new self-contained dwelling

What decided it

The annex has a physical, functional and visual relationship with the host dwelling which establishes it as part and parcel of the main house rather than a separate self-contained dwelling.

What the Inspector cited

Development plan policies
Policy 7Policy 37
National Planning Policy Framework
Paragraph 154

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.

See how each was applied

The decision letter

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More decisions in London Borough of Bromley

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

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  4. Notice varied and upheld31 March 20263343405
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  5. Dismissed18 March 20263375346
    Downe Court, Cudham Road, Downe, Orpington, Bromley, BR6 7LF

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.