139 Northumberland Road, North Harrow, Harrow, HA2 7RB Data via plota.co.uk
Proposal
Single storey rear extension; alterations and extension to roof to form end gable; rear dormer; window in end gable; two roof lights in front roof slope; rear patio with steps and privacy panel; external alterations Data via plota.co.uk
Application progress
Approved on 10 Aug 2026 · Delegated decision · Last checked 30 Sept 2026
Documents 11
Decision & officer reports 1
Statements & assessments 2
Plans & drawings 6
Application forms 1
Other documents 1
Site constraints 4
Checked on 6 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 3
Last sold for £660,000 in March 2016. Semi-detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in April 2021, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
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
12 Northumberland Road, North Harrow, Harrow, HA2 7RD
Single storey rear extension (Demoltion of rear conservatory and wall to rear)
8 Northumberland Road, North Harrow, Harrow, HA2 7RD
Certificate of Lawful Development (Proposed): Alterations and extension to roof ...
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Important details
- Council
- Harrow
- Application type
- Householder
- Postcode
- HA2 7RB
- Received
- 9 Apr 2026
- Validated
- 15 Jun 2026
- Ward
- Pinner South
- Case officer
- Show
- Target decision
- 10 Aug 2026
- Decision
- Grant Conditionally
- Decision date
- 10 Aug 2026
- Decision level
- Delegated decision
- Applicant
- Show
- Agent
- Construct 360 T/AS DontMoveExtend.com
How this decision compares
Decided in 56 days from validation, about the council's usual 56 days. Approved, as 78% 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
- 10 Aug 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.
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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139 Northumberland Road, North Harrow, Harrow, HA2 7RB
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