Planning appeal decision
90 Janson Road, Southampton, SO15 5GU
Planning appeal 3282424 at 90 Janson Road, Southampton, SO15 5GU (Southampton City Council) was allowed on 31 December 2021 by Inspector Roberts G, by written representations. The main issue, as the Inspector framed it: whether the appeal building would constitute a separate dwelling and if so, whether it would be acceptable having regard to local and national planning policies.
extension and conversion of detached garage following removal of conservatory to provide self-contained annex accommodation ancillary to main dwelling
- Authority
- Southampton City Council
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Roberts G
- Postcode
- SO15 5GU
Main issues, as the Inspector framed them
- whether the appeal building would constitute a separate dwelling and if so, whether it would be acceptable having regard to local and national planning policies
- whether the proposed building provides a satisfactory living environment for existing and future occupiers
What decided it
The proposal would not create a separate dwelling but rather a residential annex ancillary to the host property, with sufficient physical and functional links to justify its acceptability in the location.
What the Inspector cited
- Development plan policies
- CS13CS16CS19SDP1SDP5SDP7SDP9H7
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
Town Planner Pro holds this letter. The Appeals plan opens it and every other letter we hold, all of them searchable, with the main issues and what decided each case picked out. We do not show letters on the free site because they carry people’s names and addresses.
With an account
What an account adds to this decision


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The authority’s record since 2016 · every decision in 2021
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- Dismissed22 October 20253352051171-172 High Street, Southampton, SO14 2BY
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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