Architect 3XN has been granted planning permission to replace a collection of mixed-use buildings a stone’s throw from the Tower of London with a new, unified structure.

The Copenhagen-headquartered practice’s plans will deliver a ground-plus-11-storeys building on a 0.32ha site at the junction of Mark Lane, Great Tower Street and Byward Street in the City of London. Orms will be executive architect for the project.

3XN’s proposals for client PBBE Mark Lane will provide 25,600sq m of offices and other commercial space, a pub to replace one that is currently on site, 330sq m of space designated for use as a heritage and cultural learning centre, and 3,853sq m of back-of-house space – including cycle storage.

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