17 Chartley Avenue, Stanmore, Harrow, HA7 3RA Data via plota.co.uk
Proposal
Single storey rear extension: 5.62 metres deep, 3.75 metres maximum height and 2.72 metres high to the eaves Data via plota.co.uk
Application progress
Refused on 15 Oct 2026 · Last checked 19 Oct 2026
Documents 7
Decision & officer reports 2
Plans & drawings 4
Application forms 1
Site constraints 5
Checked on 17 October 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 1
Last sold for £255,000 in February 2006. 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.
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Important details
How this decision compares
Decided in 42 days from validation, 14 days faster than Harrow's median of 56 for extensions. Refused, as 21% of extensions here are.
Plota live figures for extensions decided by Harrow in the last twelve months, from validation. Harrow decision record →
Consultation & key dates
- Statutory expiry
- 15 Oct 2026
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
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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17 Chartley Avenue, Stanmore, Harrow, HA7 3RA
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