← Back to Archive

Unauthorised development: the upward extension of the building, resulting in the creation of a new storey. Unauthorised Development: the formation of an additional residential unit

📊

Borough Success Rate

In London Borough of Southwark, approx 29.5% of Householder developments appeals are successful. (Sample: 183 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.

Book Free Review How it works →

Technical Issues Heatmap

Green Belt Character and Appearance Privacy
Keyword Heatmap Locked

Instant scan of technical battlegrounds available with a Day Pass.

Inspector Profile: Bale M

Archive Data: 62 Decisions
Allowance Rate (Householder developments)
46.8% ↑ High
National Average (Householder developments)
35.3%

Inspector's Analysis

https://www.gov.uk/planning-inspectorate Appeal Decision Site visit made on 12 March 2026 by M Bale BA (Hons) MA MRTPI an Inspector appointed by the Secretary of State Decision date: 17 March 2026 Appeal Ref: APP/A5840/C/25/3358411 230 Old Kent Road, London SE1 5UB • The appeal is made under section 174 of the Town and Country Planning Act 1990 (as amended). • The appeal is …

Full Analysis Locked

Unlock full text, site maps, and the evidence-ready PDF.

Unlock Case (£10)