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Planning appeal decision

Dismissed6 May 20266004143

15 Norbury Grove,, London, NW7 4LS

Planning appeal 6004143 at 15 Norbury Grove,, London, NW7 4LS (London Borough of Barnet) was dismissed on 6 May 2026 by Inspector Davis T, by written representations. The main issue, as the Inspector framed it: whether the annexe would be ancillary or incidental to the main dwelling or a separate independent dwelling unit.

the erection of 2no. outbuildings to rear garden (1no. Granny Annexe - 28m2 and 1no. Gym, Shed, Storage - 27.5m2)

Authority
London Borough of Barnet
Appeal type
minor · Planning Appeal
Procedure
Written Representations
Development
residential · Other minor developments
Inspector
Davis T
Postcode
NW7 4LS

Main issues, as the Inspector framed them

  • whether the annexe would be ancillary or incidental to the main dwelling or a separate independent dwelling unit
  • the effects of the proposed development in relation to the character and appearance of the host property and wider area
  • the effects of the proposed development in relation to the living conditions of surrounding occupiers in terms of noise, disturbance and general activity

What decided it

The proposed annexe would function as a separate independent dwelling unit rather than ancillary accommodation due to its complete facilities, detached siting, and potential for independent access, combined with the incongruous and congested built form created by the layout of the two outbuildings.

What the Inspector cited

Development plan policies
Barnet Local Plan 2025 Policy CDH01Barnet Local Plan 2025 Policy CDH05Barnet Local Plan 2025 Policy ECC02London Plan 2021 Policy D3London Plan 2021 Policy D14
National Planning Policy Framework
Paragraph 57

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 Barnet

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

  1. Notice varied and upheld29 September 20263359644
    35 Hillview Gardens, London, NW4 2JJ
  2. Notice upheld26 August 20263376088
    48 Oldberry Road, Edgware, HA8 9DB
  3. Planning permission granted4 August 20263355588
    4 & 5 Accommodation Road, London, NW11 8ED
  4. Notice varied and upheld28 July 20263356822
    1 Stockton Gardens, London, NW7 3AB
  5. Notice varied and upheld16 June 20263359265
    644 High Road, London, N12 0NL

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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