Planning appeal decision
12, Wilberforce Road, Southsea, PO5 3DR
Planning appeal 6007527 at 12, Wilberforce Road, Southsea, PO5 3DR (Portsmouth City Council) was dismissed on 25 June 2026 by Inspector JJ Packman, by written representations. The main issue, as the Inspector framed it: The effect of the revised roof form on the living conditions of the occupiers of the upper floor room at No.14 Wilberforce Road, with particular regard to outlook and light.
construction of a 3 storey front extension; addition of a second floor including the remodelling of the rear elevation (with Juliet balconies at first and second floor); new natural slate roof, a raised ridge and a rear dormer with Juliet balcony (with solar panels on top); single storey rear extension; and air source heat pump in rear garden
- Authority
- Portsmouth City Council
- Appeal type
- householder · Householder
- Procedure
- Written
- Development
- residential
- Inspector
- JJ Packman
- Postcode
- PO5 3DR
Main issues, as the Inspector framed them
- The effect of the revised roof form on the living conditions of the occupiers of the upper floor room at No.14 Wilberforce Road, with particular regard to outlook and light
What decided it
The major adverse reduction in sunlight and loss of outlook from the principal window of the neighbouring property would result in unacceptable harm to living conditions, conflicting with Policy PCS23 and NPPF paragraph 135.
What the Inspector cited
- Development plan policies
- Policy PCS23 of The Portsmouth Plan (2012)Emerging Policy PLP1 of the Portsmouth Local Plan (2024)
- National Planning Policy Framework
- Paragraph 135
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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