Planning appeal decision
1 Arch Cottage, Amerden Lane, Taplow, Buckinghamshire, SL6 0EA
Planning appeal 3285524 at 1 Arch Cottage, Amerden Lane, Taplow, Buckinghamshire, SL6 0EA (Buckinghamshire Council - South Bucks Area *) was allowed on 13 May 2022 by Inspector Satheesan R, by written representations. The main issue, as the Inspector framed it: Whether the Council's refusal to grant the certificate of lawful use or development was well-founded, in particular whether the proposal should be assessed against Class A and/or Class B of the Town and Country Planning (General Permitted Development) (England) Order 2015, and whether the proposed extension would be granted planning permission by Article 3, Schedule 2, Part 1, Class A and/or B of the GPDO.
described as an ‘end of terrace house loft conversion’
- Appeal type
- ldc · Lawful Development Certificate
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Satheesan R
- Postcode
- SL6 0EA
Main issues, as the Inspector framed them
- Whether the Council's refusal to grant the certificate of lawful use or development was well-founded, in particular whether the proposal should be assessed against Class A and/or Class B of the Town and Country Planning (General Permitted Development) (England) Order 2015, and whether the proposed extension would be granted planning permission by Article 3, Schedule 2, Part 1, Class A and/or B of the GPDO
What decided it
The Government's Technical Guidance for condition B.2(b) explicitly describes L-shaped dormers joining original roofs to rear extension roofs as permitted, which directly applied to the facts of this case and required the proposal to be assessed under Class B rather than Class A.
The 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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