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Planning appeal decision

Allowed3 December 20253352973

75 Pinner Park Avenue, Harrow , HA2 6JY

Authority
London Borough of Harrow
Appeal type
ldc · Lawful Development Certificate
Procedure
Written Representations
Development
residential · Householder developments
Inspector
Braithwaite J

Main issues, as the Inspector framed them

  • Whether the cubic content of the proposed roof space would exceed the cubic content of the original roof space by more than 50 cubic metres, and whether roof overhangs should be included in that calculation

What decided it

The cubic content of the proposed roof space increase, excluding roof overhangs as required by the GPDO interpretation clause, is 48.7 cubic metres, which does not exceed the 50 cubic metre threshold for Class B permitted development.

The main issues and the deciding factor are read from the published letter by Town Planner Pro; the letter itself is the record. Contains public sector information licensed under the Open Government Licence v3.0. Research, not advice.

In the app this decision sits on the map beside every other appeal around it, with the full reasoning summary, the letter held on file, and the case law it applies.