Planning appeal decision
Hawthorndale, Knockholt Road, Halstead, Sevenoaks, TN14 7ET
Planning appeal 3309951 at Hawthorndale, Knockholt Road, Halstead, Sevenoaks, TN14 7ET (Sevenoaks District Council) was dismissed on 25 April 2023 by Inspector Thomas M, by written representations. The main issue, as the Inspector framed it: The effect of the rear dormer development on the character and appearance of the host dwelling.
Demolition of side and rear extensions and conservatory to construct a single storey rear infill extension, hip to gable roof alteration with ridge height increase of 970mm to incorporate a rear dormer extension
- Authority
- Sevenoaks District Council
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Thomas M
- Postcode
- TN14 7ET
Main issues, as the Inspector framed them
- The effect of the rear dormer development on the character and appearance of the host dwelling
- The effect on the living conditions of the occupants of Rivendell with regard to light and outlook
What decided it
The rear dormer and roof raising as built resulted in material harm to the character and appearance of the host dwelling and unacceptable living conditions for neighbours through loss of light and outlook, exceeding the impacts of the lawful 2019 fallback permission.
What the Inspector cited
- Development plan policies
- Policy EN1 of the Sevenoaks Allocations and Development Management Plan (adopted 2015)Policy EN2 of the Sevenoaks Allocations and Development Management Plan (adopted 2015)Sevenoaks Residential Extensions Supplementary Planning Document (2009)
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 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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