Lewisham
Prior approval for the construction of a single storey rear extension extending 5 metres (including the existing rear extension) beyond the rear wall of the original dwelling and measuring a maximum height of 3 metres with an eaves height of 2.85 metres at 18 KNAP MILL ROAD, LONDON, SE6
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Progress
Application details
- Reference
- DC/21/121851
- Local authority
- Lewisham
- Ward
- Bellingham
- Application type
- Prior Approval
- Property type
- House
Key dates
- Submitted
- 18 May 2021
- Validated
- 18 May 2021
- Decided
- 29 Jun 2021
Estimated project value
£30k–£55k
Typical UK cost for this job type, at UK average rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².
Planning constraints
No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.
Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.