Mailen Design is an architecture firm founded in 2010 by managing director Ben Mailen, who was joined by director Jon Humphreys in 2022.

Its 13-strong team of architects, Part 2 architectural assistances and Part 1 architectural assistants work from its offices in London and Oxfordshire.

Projects completed by Mailen Design include those across the residential, multi-residential, hospitality, retail, commercial, education and cultural sectors.

Pictured above is the practice's Lee Terrace project, a private residence in South London's Blackheath Conservation Area.