19 Devonshire Road, Walthamstow, London, E17 8QH 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, together with installation of two roof lights to front roof slope Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicts a decision around 15 Nov 2026, from Waltham Forest's recent extensions.
Documents 12
Plans & drawings 10
Application forms 1
Other documents 1
Site constraints 4
Checked on 29 September 2026. Historic England, the Environment Agency, Natural England 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 £792,000 in June 2026. Terraced house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Every application in Waltham Forest - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Waltham Forest
- Application type
- Certificate of Lawful Development - Proposed
- Postcode
- E17 8QH
- Received
- 21 Sept 2026
- Validated
- 21 Sept 2026
- Ward
- Markhouse
- Case officer
- Show
- Target decision
- 16 Nov 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- ARKSS REDESIGN STUDIO
Decision outlook
Day 13 of the 56-day target. Waltham Forest usually decides extensions by day 55.
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
- 16 Nov 2026
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.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
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19 Devonshire Road, Walthamstow, London, E17 8QH
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