Planning appeal decision
45 Cavendish Avenue, Harrow, HA1 3RD
Planning appeal 3309878 at 45 Cavendish Avenue, Harrow, HA1 3RD (London Borough of Harrow) was allowed in part (a split decision) on 21 February 2023 by Inspector Somers J, by written representations. The main issue, as the Inspector framed it: The effect of the proposed side and rear extensions upon the existing building and the character and appearance of the locality.
a single and two storey side extension; first floor rear extension; single storey rear extension; external alterations; outbuilding at rear for use as gym / office (demolition of attached garage)
- Authority
- London Borough of Harrow
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Somers J
- Postcode
- HA1 3RD
Main issues, as the Inspector framed them
- The effect of the proposed side and rear extensions upon the existing building and the character and appearance of the locality
- The effect of the proposed side and rear extensions upon the living conditions of No.47 Cavendish Avenue, with particular regard to access to light, and sense of enclosure
What decided it
The proposed side and rear extensions would erode visual gaps and create an overbearing appearance that would be detrimental to both the character and appearance of the locality and the living conditions of neighbouring residents, contrary to local design policies.
What the Inspector cited
- Development plan policies
- CS1(B)DM1DM1 ADM1 B(a)DM1 B(b)DM1 B(c)D3D3(D(1))D3(D(11))D3.D(7)
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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What an account adds to this decision


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The authority’s record since 2016 · every decision in 2023
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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.
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