Without planning permission, the erection of an outbuilding in rear garden of the premises for residential purposes as a self-contained flat ("the unauthorised development")
📊
Borough Success Rate
In London Borough of Brent, approx 41.3% of Householder developments appeals are successful. (Sample: 635 cases).
Planzo Professional Representation
Don't leave your appeal to chance.
Inspectors are inconsistent. We build a technical defense using precedents from our 182,000 archive.
Fixed-fee Householder representation for £750.
Technical Issues Heatmap
Instant scan of technical battlegrounds available with a Day Pass.
Inspector Profile: Thompson F
Archive Data: 69 Decisions
Allowance Rate (Householder developments)
27.5%
↓ Strict
National Average (Householder developments)
35.3%
Inspector's Analysis
https://www.gov.uk/planning-inspectorate
Appeal Decision
Site visit made on 28 January 2026
by Felicity Thompson BA(Hons) MCD MRTPI
an Inspector appointed by the Secretary of State
Decision date: 11 March 2026
Appeal Ref: APP/T5150/C/23/3334317
40 Elm Way, London NW10 0NE
• The appeal is made under section 174 of the Town and Country Planning Act 1990 (as amended).
• The app…