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Planning appeal decision

Dismissed25 November 20256000526

80 Lyonsdown Road, Station Road To Longmore Avenue, Barnet, EN5 1JL

Planning appeal 6000526 at 80 Lyonsdown Road, Station Road To Longmore Avenue, Barnet, EN5 1JL (London Borough of Barnet) was dismissed on 25 November 2025 by Inspector Manson S, by written representations. The main issue, as the Inspector framed it: The effect of the two-storey side infill extension and changes to the fenestration and material finish on the character and appearance of the area.

a ‘two storey side infill extension, single storey rear extension. Rear dormer and hip to gable roof extension, front porch and changes to fenestration and material finish of existing house

Authority
London Borough of Barnet
Appeal type
householder · Householder (HAS)
Procedure
Written Representations
Development
residential · Householder developments
Inspector
Manson S
Postcode
EN5 1JL

Main issues, as the Inspector framed them

  • The effect of the two-storey side infill extension and changes to the fenestration and material finish on the character and appearance of the area

What decided it

The proposed changes to fenestration and external finishes would introduce a material palette wholly at odds with the established character of the host dwelling and its semi-detached counterpart, causing demonstrable harm to local distinctiveness and the visual cohesion of the street scene.

What the Inspector cited

Development plan policies
Policy D3 of The London PlanPolicy CDH01 of the Barnet Local Plan 2021-2026Policy CDH05 of the Barnet Local Plan 2021-2026

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 2025

  1. Notice varied and upheld29 September 20263359644
    35 Hillview Gardens, London, NW4 2JJ
  2. Allowed10 September 20266000405
    41 Brent Park Road, London, NW4 3HN
  3. Notice upheld28 August 20263361601
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  4. Notice varied and upheld27 August 20263361348
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  5. Notice upheld26 August 20263376088
    48 Oldberry Road, Edgware, HA8 9DB

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.