ALTHAM HOUSE, 1 Blackhorse Lane, Walthamstow, London, E17 6DS Data via plota.co.uk
Proposal
Submission of details pursuant to Condition 34b (Verification Report) of S73 planning permission reference , granted 06/08/2024 (amended by NMA reference , granted 06/08/2024). Data via plota.co.uk
Application progress
Approved on 16 Sept 2026 · Delegated · Last checked 1 Oct 2026
Documents 10
Decision & officer reports 1
Other documents 9
Associated applications 13
Part of
Conditions variation sought for
- Variationarchive
Conditions details submitted for 4, 7, 8, 9, 11, 21, 25, 26, 27, 28, 34b, 36, 38
- ConditionsSubmission of details pursuant to Condition 34b (Verification Report) of S73 planning…This application260659
Show 9 more · 8 approved, 1 pending
Show 6 earlier · 6 approved
Show 1 more · 1 approved
- Amendmentarchive
Site constraints 10
Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, 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 £19,500,000 in December 2021. Other property, 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 February 2026, 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
- Approval of Details Reserved by Condition
- Postcode
- E17 6DS
- Received
- 12 Mar 2026
- Validated
- 12 Mar 2026
- Ward
- St James
- Case officer
- Show
- Target decision
- 7 May 2026
- Decision
- Approved (With Informatives)
- Decision date
- 16 Sept 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- CMA Planning
- Freehold owner
- Show
Consultation & key dates
- Statutory expiry
- 7 May 2026
Historical activity at this location
50 previous applications on record - archival context, not part of the live application.
Previous applications at this address
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.
Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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ALTHAM HOUSE, 1 Blackhorse Lane, Walthamstow, London, E17 6DS
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Freehold owner, on paid plans
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Council archive
Altham House, 1 Blackhorse Lane, Walthamstow, London, E17 6DS
Variation of Condition 2 (Approved Plans) of planning permission reference 222417, dated 12/04/2023, involving minor material amendments to the approved development, comprising an uplift in co-living accommodation numbers and alterations to the massing, together with minor changes to the layout and landscaped public realm. For information only: The MMA would deliver an additional 49 purpose built shared living (co-living) units within two additional floor levels for accommodation together with a new commercial…
- Received
- 12 Feb 2024
- Outcome
- Approved
- Type
- Conditions
Altham House, 1 Blackhorse Lane, Walthamstow, London, E17 6DS
Non-Material Amendment to planning permission reference 222417 granted 12th April 2023 to allow for an amendment to the description of the development as set out in the 12th April 2023 decision notice to read as follows: “Redevelopment of the site involving the demolition of existing structures/building and the construction of a mixed-use building (over basement) to provide a new music/cultural venue (sui generis ), bar (sui generis), commercial unit (Use Class E) and shared co-living accommodation with…
- Received
- 10 May 2024
- Outcome
- Approved
Altham House, 1 Blackhorse Lane, Walthamstow, London, E17 6DS
Redevelopment of the site involving the demolition of existing structures/building and the construction of a mixed-use two to nine storey building (over basement) to provide a new music/cultural venue (sui generis ), bar (sui generis), retail unit (Use Class E) and shared co-living accommodation with associated internal and external amenity space (sui generis) together with ancillary refuse/cycle stores, servicing areas, landscaping, public realm works and disabled car parking. (Information only: The development…
- Received
- 19 Aug 2022
- Decided
- 12 Apr 2023
- Outcome
- Approved