80 Lyonsdown Road Barnet EN5 1JL Data via plota.co.uk
Proposal
Single storey rear extension. Two storey side infill extension. New front porch. Roof extension involving hip to gable, rear dormer window with juliette balcony and 3no. front facing rooflights. Changes to fenestration Data via plota.co.uk
Application progress
Approved on 8 Oct 2025 · Delegated Decision · Last checked 1 Nov 2026
Documents 14
Decision & officer reports 2
Statements & assessments 2
Plans & drawings 8
Site constraints 4
Checked on 2 November 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.
Building
From the energy performance certificate lodged in June 2024, the latest held for this property. The building may have changed since. View the certificate
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Important details
How this decision compares
Decided in 56 days from validation, 4 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.
6 neighbours consulted · Last counted 1 Nov 2026
Consultation & key dates
- Alt. reference
- PP-14251931
- Planning Portal ref
- PP-14251931
- Neighbours
- 15 Aug 2025
- Consultation
- 15 Aug 2025
- Comments by
- 12 Sept 2025
- Statutory expiry
- 8 Oct 2025
Historical activity at this location
34 previous applications on record - archival context, not part of the live application.
Previous applications at this address
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.
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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80 Lyonsdown Road Barnet EN5 1JL
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