27 Derwent Avenue, Hatch End, Pinner, Harrow, HA5 4QH
Front porch, Bay window to ground floor front elevation, Relocation of entrance to front elevation; Single and two storey side extension; Installation of windows in both side elevations; Alterations to roof to raise height and create habitable floor; End gables; Front dormers; Rear dormer with Juliette balconies; Installation of roof lights in front roof slope; Installation of solar panels and roof light to roof; Alterations to roof of rear extension; External alterations
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Progress
Application details
- Reference
- PL/2318/26
- Local authority
- Harrow
- Property type
- House
Key dates
- Submitted
- 2 Sept 2026
Estimated project value
£28k–£75k
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: Checkatrade 2026 loft conversion cost guide.
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.