57 Dyson Road, Leytonstone, London, E11 1NA Data via plota.co.uk
Proposal
(1) Construction of a hip to gable side roof extension and rear dormer with the inclusion of three roof lights to front roof slope. (2) Alterations to internal floor to ceiling heights including an increase of height to roof ridge. (3) Construction of a two storey side extension including the relocation of the main entrance. (4) Demolition of side bay window at ground and first floors, together with construction of a bay windows at first and second floors at the principal elevation. (5) Alterations to fenestration across all elevations including alterations to the location, number and design of windows. The proposed works are in connection with extending an existing three-bedroom single dwelling house into a five-bedroom single dwelling house. Data via plota.co.uk
Application progress
Refused on 1 Oct 2026 · Delegated · Last checked 3 Oct 2026
Documents 13
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 8
Application forms 1
Other documents 1
Site constraints 10
Checked on 17 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.
Building
From the energy performance certificate lodged in July 2019, 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
- Householder Planning
- Postcode
- E11 1NA
- Received
- 6 Aug 2026
- Validated
- 6 Aug 2026
- Ward
- Forest
- Case officer
- Show
- Target decision
- 1 Oct 2026
- Decision
- Refused (with Reasons)
- Decision date
- 1 Oct 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Studioanyo Architects Limited
How this decision compares
Decided in 56 days from validation, about the council's usual 55 days. Refused, as 20% 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
- 1 Oct 2026
Historical activity at this location
21 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.
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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57 Dyson Road, Leytonstone, London, E11 1NA
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