Planning appeal decision
11 Sweethill Lane, Portland, Dorset, DT5 2DT
Planning appeal 3370052 at 11 Sweethill Lane, Portland, Dorset, DT5 2DT (Dorset) was allowed on 31 October 2025 by Inspector Rose C, by written representations. The main issue, as the Inspector framed it: The effect of the proposal on the integrity of the Protected Sites (Chesil Beach and the Fleet RAMSAR and Special Protection Area and Chesil and the Fleet Special Area of Conservation).
erection of new dwelling and alterations to garage to facilitate vehicular access to rear
- Authority
- Dorset
- Appeal type
- minor · Planning Appeal
- Procedure
- Written Representations
- Development
- residential · Minor Dwellings
- Inspector
- Rose C
- Postcode
- DT5 2DT
Main issues, as the Inspector framed them
- The effect of the proposal on the integrity of the Protected Sites (Chesil Beach and the Fleet RAMSAR and Special Protection Area and Chesil and the Fleet Special Area of Conservation)
What decided it
The securing of mitigation measures through CIL payments agreed in writing with Natural England ensures that adverse effects on the integrity of the Protected Sites would be avoided, allowing the appeal to be allowed.
What the Inspector cited
- Development plan policies
- Policy ENV2 of the West Dorset, Weymouth & Portland Local Plan 2015
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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