Planning appeal decision
Castleton, Days Lane, Doddinghurst, CM15 9SL
Planning appeal 6010567 at Castleton, Days Lane, Doddinghurst, CM15 9SL (Brentwood) was dismissed on 24 August 2026 by Inspector P B Jarvis, by written representations. The main issue, as the Inspector framed it: Whether the proposal is inappropriate development in the Green Belt having regard to the Framework and relevant development plan policies.
Erection of detached outbuilding to provide a home gym and shower facilities incidental to the main dwelling house
- Authority
- Brentwood
- Appeal type
- householder · Householder
- Procedure
- Written
- Development
- residential
- Inspector
- P B Jarvis
- Postcode
- CM15 9SL
Main issues, as the Inspector framed them
- Whether the proposal is inappropriate development in the Green Belt having regard to the Framework and relevant development plan policies
- Effect on Green Belt openness
- The effect on the setting of the Grade II listed Days Farmhouse
- Whether any harm by reason of inappropriateness and any other harm would be outweighed by other considerations as to amount to the very special circumstances necessary to justify the development
What decided it
The proposal would result in a disproportionate increase in the size of the dwelling compared to the original building, constituting inappropriate development in the Green Belt for which no very special circumstances were demonstrated.
The harm by reason of inappropriateness, to which substantial weight must be given, was not clearly outweighed by other considerations; the limited impact on openness and heritage setting were neutral factors insufficient to justify the development.
What the Inspector cited
- Development plan policies
- Policy MG02Policy BE16
- National Planning Policy Framework
- Policy GB7Policy GB6Policy HE4Policy HE6
- Judgments
- Warwick DC v SSLUHC, Mr J Storer Y Mrs A Lowe [2022] EWHC 2145 (Admin); Sevenoaks DC v SSE & Dawe [1997]
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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