Planning appeal decision
24 Porcupine Close, London, SE9 3AE
Planning appeal 3330054 at 24 Porcupine Close, London, SE9 3AE (Royal Borough of Greenwich) was dismissed on 1 March 2024 by Inspector Davies N, by written representations. The main issue, as the Inspector framed it: The effect of the proposed development on the character and appearance of the host property and the street scene.
a side extension (addition of an additional storey over existing converted garage) to create a new bedroom and bathroom on first floor and conversion of existing ground floor wet room and store into a study, utility space and wet room. Rear single-storey extension to create open plan kitchen/dining space
- Authority
- Royal Borough of Greenwich
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Davies N
- Postcode
- SE9 3AE
Main issues, as the Inspector framed them
- The effect of the proposed development on the character and appearance of the host property and the street scene
What decided it
The proposed side extension would be visually harmful to the character and appearance of the host property and street scene due to its height exceeding the existing eaves, bulky design, and uncharacteristic roof form that conflicts with the established hipped roof character of the street.
What the Inspector cited
- Development plan policies
- Policy D3 of the London PlanPolicy DH1 of the Royal Greenwich Local Plan: Core Strategy with Detailed PoliciesPolicy DH(a) of the Royal Greenwich Local Plan: Core Strategy with Detailed Policies
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


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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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