Planning application
2026/0090
RAILWAY ARCH 379 TO 380 Mentmore Terrace, Hackney, London, E8 3PH
Proposal
Lawful Development Certificate for use of the site as Use Class E
As published by the council, reference 2026/0090
Timeline
Dates from the published record
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15 Jan 2026
Received by Hackney
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24 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About lawful development applications
How this application type works
A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.
Nearby applications
Within 500 metres
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2025/2338 Refused
Deans Of London, RAILWAY ARCH 388 Mentmore Terrace, Hackney, London, E8 3PH
Installation of internally illuminated fascia sign
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2026/0887 Status unknown
RAILWAY ARCH 379 TO 380 Mentmore Terrace, Hackney, London, E8 3PH
Alterations to the front and rear facade, single-storey rear extension, creation of a new access to Lamb Lane, and the installation of new mechanical equipment. New brick boundary walls and internal reconfigurations including the erection of an internal mezzanine level.
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2026/0720 Status unknown
Deans Of London, RAILWAY ARCH 388 Mentmore Terrace, Hackney, London, E8 3PH
Installation of internally illuminated fascia sign
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2025/2604 Granted
Cs Metal Works Ltd, RAILWAY ARCH 405 Mentmore Terrace, Hackney, London, E8 3PH
Proposed change of use from Use Class B2 (General Industrial) to Use Class B8 (Storage or Distribution)
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2025/2501 Status unknown
10-24 Lamb Lane, London , E8 3PL
Submission of details pursuant to conditions 19 (Energy Statement), 25 (Overheating) and 28 (Be Clean) attached to planning permission 2024/1869 dated 24/10/2025.
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2025/2494 Granted
10 - 22 Lamb Lane, Hackney, London, E8 3PL
Non-material amendment to planning permission 2024/1869 dated 24/10/2025 to remove Condition 26 (Waste Heat Recovery System).
Other lawful development applications
In Hackney
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2026/1431 Status unknown
36 Hawksley Road, Hackney, London, N16 0TJ
Application for a Certificate of Lawfulness (Proposed) for the construction of a rear 'L shaped' roof dormer ( two-storeys over the rear outrigger) and the installation of 3 x rooflights.
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2026/1294 Status unknown
29 Walford Road, Hackney, London, N16 8EF
(none)
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2026/1275 Status unknown
Second Floor And Third Floor Flat, 418 Kingsland Road, Hackney, London, E8 4AA
Certificate of Lawfulness to confirm works associated with planning permission 2021/3329 constitute implementation.
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2026/1269 Status unknown
68 Albion Drive, Hackney, London, E8 4LX
Prior Approval for the installation of solar photovoltaic panels on a flat roof under schedule 2, Part 14 Class A.
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2026/1229 Status unknown
55 Linthorpe Road, Hackney, London, N16 5QT
Proposed erection of rear dormer.