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Planning appeal decision

Dismissed17 March 20266002100

Mercury House, Brickhill Street, Willen Lake, Milton Keynes, MK15 0DS

Planning appeal 6002100 at Mercury House, Brickhill Street, Willen Lake, Milton Keynes, MK15 0DS (Milton Keynes Council) was dismissed on 17 March 2026 by Inspector Astley-Serougi B, by written representations. The main issue, as the Inspector framed it: Whether the proposed Class AA permitted development right could be exercised given the prior existence of a Class MA prior approval for change of use to residential.

prior approval for a two storey roof extension to form 36 apartments

Authority
Milton Keynes Council
Appeal type
major · Planning Appeal
Procedure
Written Representations
Development
residential · Major dwellings
Inspector
Astley-Serougi B
Postcode
MK15 0DJ

Main issues, as the Inspector framed them

  • Whether the proposed Class AA permitted development right could be exercised given the prior existence of a Class MA prior approval for change of use to residential

What decided it

The prior existence of an unimplemented Class MA prior approval for residential use triggered the statutory prohibition in paragraph AA.1(za) of the GPDO, which prevents the exercise of the Class AA permitted development right.

The decision letter

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The authority’s record since 2016 · every decision in 2026

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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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