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Planning appeal decision

Dismissed19 May 20263359343

15 Upton Park, Slough, SL1 2DA

Planning appeal 3359343 at 15 Upton Park, Slough, SL1 2DA (Slough Borough Council) was dismissed on 19 May 2026 by Inspector Griffin E, by written representations. The main issue, as the Inspector framed it: Whether the Council's refusal to issue a certificate of lawful use or development was well founded, turning on whether the proposed outbuilding would constitute permitted development under Article 3, Part 1, Schedule 2, Class E of the Town and Country Planning (General Permitted Development) (England) Order 2015.

a single storey detached outbuilding to be used as swimming pool and gym

Authority
Slough Borough Council
Appeal type
ldc · Lawful Development Certificate
Procedure
Written Representations
Development
other · Householder developments
Inspector
Griffin E
Postcode
SL1 2DA

Main issues, as the Inspector framed them

  • Whether the Council's refusal to issue a certificate of lawful use or development was well founded, turning on whether the proposed outbuilding would constitute permitted development under Article 3, Part 1, Schedule 2, Class E of the Town and Country Planning (General Permitted Development) (England) Order 2015

What decided it

The appellant failed to provide sufficient evidence and detail to demonstrate that the proposed outbuilding was reasonably required for purposes incidental to the enjoyment of the dwellinghouse, particularly given its substantial size relative to the main dwelling and the lack of site-specific justification for the gym and pool facilities.

The decision letter

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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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