59 Lyonsdown Avenue Barnet EN5 1DX Data via plota.co.uk
Proposal
Single storey side extension to provide bike store. Addition of a canopy above side door. New timber gates to side. Roof extension involving 1no. new dormer window to rear elevation. Insertion of 2no. circular windows to rear elevation. Alterations to front garden including changes to existing driveway and widening of vehicular access, and new steps. New raised patio to rear with associated steps to garden. New brick garden wall to rear. Replacement of existing windows with double glazed timber windows to side and rear. Data via plota.co.uk
Application progress
Approved on 12 Oct 2026 · Delegated Decision · Last checked 13 Oct 2026
Documents 49
Decision & officer reports 2
Statements & assessments 2
Plans & drawings 42
Application forms 2
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 1
Last sold for £1,750,000 in September 2025. 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 May 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
- EN5 1DX
- Received
- 8 Jul 2026
- Validated
- 13 Jul 2026
- Ward
- Barnet Vale
- Case officer
- Show
- Target decision
- 12 Oct 2026
- Decision
- Approve subject to conditions
- Decision date
- 12 Oct 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Gresford Architects
How this decision compares
Decided in 91 days from validation, 39 days slower than Barnet's median of 52 for extensions. Approved, as 75% of extensions here are.
Plota live figures for extensions decided by Barnet in the last twelve months, from validation. Barnet decision record →
Public comments
No public comments yet.
Last counted 13 Oct 2026
Consultation & key dates
- Alt. reference
- PP-15001373
- Planning Portal ref
- PP-15001373
- Comments by
- 6 Aug 2026
- Site or press notice
- 16 Jul 2026
- Statutory expiry
- 7 Sept 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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59 Lyonsdown Avenue Barnet EN5 1DX
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