6 Longley Road, Harrow, HA1 4TH Data via plota.co.uk
Proposal
Certificate of Lawful Development (Proposed): Alterations to roof; side dormer; rooflight in side roof slope Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicts a decision around 10 Nov 2026, from Harrow's recent extensions.
Documents 9
Plans & drawings 8
Application forms 1
Site constraints 2
Checked on 29 September 2026. Historic England, the Environment Agency, Natural England 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 £455,000 in August 2026. 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
- Council
- Harrow
- Application type
- Certificate of Lawful Development Proposed
- Postcode
- HA1 4TH
- Received
- 15 Sept 2026
- Validated
- 15 Sept 2026
- Ward
- Headstone
- Case officer
- Show
- Target decision
- 10 Nov 2026
- Decision level
- Delegated by Committee
- Applicant
- Show
- Agent
- Seabrook Architects Partnership Ltd
- Freehold owner
- Show
Decision outlook
Day 19 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
- 10 Nov 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.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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6 Longley Road, Harrow, HA1 4TH
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Freehold owner, on paid plans
The company that owns the freehold, from HM Land Registry's register of company-owned property, with its status, business and the companies that control it from Companies House, is shown to Plota subscribers. Plans start at £49 a month.
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