45 Downshire Hill London NW3 1NU
Erection of single storey rear extension at basement level with rooflights, extension of rear ground floor terrace, lowering of rear window sill to form new doorway, and installation of air source heat pump with acoustic enclosure to rear garden and 4 x internal air conditioning units, with associated alterations to rear terrace staircase and landscaping.
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Progress
Application details
- Reference
- 2026/3545/L
- Local authority
- Camden
- Ward
- Hampstead Town
- Application type
- Listed Building Consent
- Property type
- House
Key dates
- Submitted
- 8 Oct 2026
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.
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