1 Greenway Close London NW9 5AZ Data via plota.co.uk
Proposal
Two storey side extension following the demolition of existing garage. Roof extension involving hip to gable to main roof. Single storey rear extension with 1no. rooflight, new decking and patio area. New front porch Data via plota.co.uk
Application progress
Refused on 18 May 2026 · Delegated Decision · Last checked 7 Jul 2026
Documents 10
Decision & officer reports 2
Plans & drawings 6
Site constraints 4
Checked on 13 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 £450,000 in December 2025. 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 September 2025, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Barnet
- Application type
- Householder Application
- Postcode
- NW9 5AZ
- Received
- 25 Mar 2026
- Validated
- 26 Mar 2026
- Ward
- Burnt Oak
- Case officer
- Show
- Target decision
- 21 May 2026
- Decision
- Refuse
- Decision date
- 18 May 2026
- Decision level
- Delegated Decision
- Appeal
- Dismissed · 24 Sept 2026 · Written Representations · Inspectorate case 6010582 ↗
- Applicant
- Show
- Agent
- Show
How this decision compares
Decided in 53 days from validation, about the council's usual 52 days. Refused, as 25% of extensions here are.
Plota live figures for extensions decided by Barnet in the last twelve months, from validation. Barnet decision record →
Consultation & key dates
- Alt. reference
- PP-14807757
- Planning Portal ref
- PP-14807757
- Comments by
- 30 Apr 2026
- Site or press notice
- 9 Apr 2026
- Statutory expiry
- 21 May 2026
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Barnet is faster than most councils at deciding householder applications, ranking #42 out of 296. Only 25% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Barnet is also one of the strictest councils - it refuses more householder applications than almost any other, with only 82% 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
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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1 Greenway Close London NW9 5AZ
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