54 Coppermill Lane, Walthamstow, London, E17 7HB Data via plota.co.uk
Proposal
Lawful Development Certificate (Proposed) - Construction of dormer roof extension to main rear roof, and roof extension above two storey outrigger, with installation of two roof lights to front roof slope. Data via plota.co.uk
Application progress
Approved on 23 Sept 2025 · Delegated · Last checked 18 Oct 2026
Documents 11
Decision & officer reports 2
Plans & drawings 7
Site constraints 9
Checked on 18 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 2
Last sold for £767,500 in August 2020. Terraced 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 January 2015, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
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Important details
- Council
- Waltham Forest
- Application type
- Certificate of Lawful Development - Proposed
- Postcode
- E17 7HB
- Received
- 30 Jul 2025
- Validated
- 30 Jul 2025
- Ward
- St James
- Case officer
- Show
- Target decision
- 24 Sept 2025
- Decision
- Approved (With Informatives)
- Decision date
- 23 Sept 2025
- Decision level
- Delegated
- Appeal
- Allowed · 29 Jun 2026 · Written Representations · Inspectorate case 6007441 ↗
- Applicant
- Show
- Agent
- Concept Lofts
How this decision compares
Decided in 55 days from validation, about the council's usual 55 days. Approved, as 80% of extensions here are.
Plota live figures for extensions decided by Waltham Forest in the last twelve months, from validation. Waltham Forest decision record →
Consultation & key dates
- Statutory expiry
- 24 Sept 2025
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Waltham Forest is faster than most councils at deciding householder applications, ranking #80 out of 296. Only 22% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Waltham Forest is also one of the strictest councils - it refuses more householder applications than almost any other, with only 79% 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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54 Coppermill Lane, Walthamstow, London, E17 7HB
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