27 DERWENT AVENUE 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
Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.
Progress
Application details
- Reference
- PL/2318/26
- Local authority
- Harrow
- Postcode
- HA5 4QH
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 3 Sept 2026
- Validated
- 3 Sept 2026
- Comments close
- 25 Sept 2026
- Target decision
- 29 Oct 2026
Estimated project value
£160k–£340k
Based on the 108m² of floor area stated in the application, at outer London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 108m² · 3 additional bedrooms
Recently sold nearby
Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.
- 17 DERWENT AVENUE, PINNER, HA5 4QHSemi-detached · £530,0002 years ago10 May 2024
- 39 DERWENT AVENUE, PINNER, HA5 4QHSemi-detached · £560,0004 years ago5 Apr 2022
- 41 DERWENT AVENUE, PINNER, HA5 4QHSemi-detached · £560,0004 years ago24 Mar 2022
- 15 DERWENT AVENUE, PINNER, HA5 4QHDetached · £611,0005 years ago18 Jan 2021
- 31 DERWENT AVENUE, PINNER, HA5 4QHDetached · £865,0006 years ago11 Oct 2019
- 33 DERWENT AVENUE, PINNER, HA5 4QHDetached · £650,0008 years ago10 May 2018
- 31 DERWENT AVENUE, PINNER, HA5 4QHDetached · £550,0008 years ago28 Mar 2018
- 35 DERWENT AVENUE, PINNER, HA5 4QHDetached · £625,0009 years ago8 Sept 2017
Homes here go for about £585,500 — the median of the last 8 market sales in HA5 4QH, £530,000 to £865,000.
Contains HM Land Registry data © Crown copyright and database right 2024. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.
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.
Recorded changes
- 11 Sept 2026: Back under consideration
- 11 Sept 2026: The proposal was amended
Nearby applications
- 27 DERWENT AVENUE Harrow HA5 4QHPermittedNext door
- 27 Derwent Avenue Harrow HA5 4QHUnknownNext door
- 33 Derwent Avenue Harrow HA5 4QHRefusedAdjoining
- 33 Derwent Avenue Harrow HA5 4QHPermittedAdjoining
- 15 DERWENT AVENUE Harrow HA5 4QHPermitted64 yd
- 15 DERWENT AVENUE Harrow HA5 4QHPermitted64 yd