Planning appeal decision
Ashburn, The Green, Horsted Keynes, Haywards Heath, RH17 7AW
Planning appeal 3329979 at Ashburn, The Green, Horsted Keynes, Haywards Heath, RH17 7AW (Mid Sussex District Council) was dismissed on 7 February 2024 by Inspector Reid J, by written representations. The main issue, as the Inspector framed it: Whether the proposed development would preserve or enhance the character or appearance of the Horsted Keynes Conservation Area.
1 1/2 Storey rear extension, single storey side extension and dormer windows
- Authority
- Mid Sussex District Council
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Reid J
- Postcode
- RH17 7AW
Main issues, as the Inspector framed them
- Whether the proposed development would preserve or enhance the character or appearance of the Horsted Keynes Conservation Area
What decided it
The substantial scale, bulk and detailed design of the proposed extensions would harmfully diminish the dwelling's positive contribution to the Conservation Area's character and appearance, and would fail to preserve the settings of adjacent listed buildings.
What the Inspector cited
- Development plan policies
- Policy DP26Policy DP34Policy DP35Policy HK4Policy HK5Policy HK6
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 2024
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- Dismissed9 October 20266010262Development Site At Former Tower Car Sales, Tower Close, East Grinstead, RH19 3BY
- Dismissed9 October 20266005209Lullings Cottage, West Hill, Ardingly, RH17 6QY
- Dismissed9 October 20266005206Lullings Cottage, West Hill, Ardingly, RH17 6QY
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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