Planning appeal decision
12 Newton Avenue, Muswell Hill, Barnet, London, N10 2NB
Planning appeal 3315744 at 12 Newton Avenue, Muswell Hill, Barnet, London, N10 2NB (London Borough of Barnet) was allowed on 18 April 2023 by Inspector Greenwood L, by written representations. The main issue, as the Inspector framed it: The effect of the proposal on living conditions at neighbouring properties.
a single storey rear extension, conversion of a garage to a habitable room and a porch
- Authority
- London Borough of Barnet
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Greenwood L
- Postcode
- N10 2NB
Main issues, as the Inspector framed them
- The effect of the proposal on living conditions at neighbouring properties
What decided it
The proposed extension complies with the Council's own Residential Design Guidance for 3.5m deep single storey rear extensions to semi-detached properties and would not cause significant or unacceptable effects on neighbouring living conditions when assessed against the specific site circumstances.
What the Inspector cited
- Development plan policies
- CS5DM01
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 appliedThe decision letter
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With an account
What an account adds to this decision


More decisions in London Borough of Barnet
The authority’s record since 2016 · every decision in 2023
- Notice varied and upheld29 September 2026335964435 Hillview Gardens, London, NW4 2JJ
- Allowed10 September 2026600040541 Brent Park Road, London, NW4 3HN
- Notice upheld28 August 2026336160153 Essex Park, London, N3 1ND
- Notice varied and upheld27 August 2026336134827 Dale Grove, London, N12 8EE
- Notice upheld26 August 2026337608848 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.
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