35 The Heights, Northolt, Harrow, UB5 4BW Data via plota.co.uk
Proposal
Single storey rear extension: 6.00 metres deep, 3.60 metres maximum height and 3.00 metres high to the eaves Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 6 Dec 2026, from Harrow's recent extensions.
Documents 7
Plans & drawings 6
Application forms 1
Site constraints 3
Checked on 1 November 2026. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 2
Last sold for £277,500 in May 2008. Semi-detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Every application in Harrow - and every UK council - as a live feed, an API, or a bulk CSV export.
Other new applications on this street
199 The Heights, Northolt, Harrow, UB5 4BU
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3...
64 The Heights, Northolt, Harrow, UB5 4BP
Certificate of Lawful Development (Existing): Alterations and extension to roof ...
86 The Heights, Northolt, Harrow, UB5 4BS
Single storey rear extension: 4.00 metres deep, 3.00 metres maximum height and 3...
206 The Heights, Northolt, Harrow, UB5 4BU
Change of use from HMO (C4) to Seven bed large HMO (Sui Generis)
Nearby new applications
28 Balmoral Road, South Harrow, Harrow, HA2 8TD
Single storey rear extension: 6.00 metres deep, 3.40 metres maximum height and 2...
199 The Heights, Northolt, Harrow, UB5 4BU
Single storey rear extension: 6.00 metres deep, 3.00 metres maximum height and 3...
199 The Heights, Northolt, Harrow, UB5 4BU
Certificate of Lawful Proposed Development: Alterations to roof to form end gabl...
2 Mildred Avenue Northolt UB5 4LG
Application for Permission in Principle under Part 2A of the Town and Country Pl...
38 Carlyon Avenue, South Harrow, Harrow, HA2 8SX
Single storey front extension incorporating porch; single storey side extension;...
86 The Heights, Northolt, Harrow, UB5 4BS
Single storey rear extension: 4.00 metres deep, 3.00 metres maximum height and 3...
Important details
Decision outlook
Day 31 of the 56-day target. Harrow usually decides extensions by day 56.
Plota live figures for extensions decided by Harrow in the last twelve months, from validation. Harrow decision record →
Consultation & key dates
- Statutory expiry
- 27 Nov 2026
Historical activity at this location
18 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Harrow ranks #115 out of 296 councils for householder decision speed. Harrow is also one of the strictest councils - it refuses more householder applications than almost any other, with only 83% approved vs 90% nationally.
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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35 The Heights, Northolt, Harrow, UB5 4BW
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