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Leigh Dimelow

HND Int Des

With tp bennett since 1998, Leigh spent the first 16 years at the practice’s London HQ before relocating north to establish the companies Manchester office in 2014. Leigh was promoted to Principal Director in 2018, and has since established the second northern office in Leeds in 2019, and heads a teams of 30 architects and interior designers in the northern hub, developing and growing the company portfolio across the North.

Since establishing the northern offices, the team has delivered a number of large projects, including a global centre for Freshfields at One New Bailey, a sustainability driven commercial office redevelopment scheme at Windmill Green, co-working offices for Hana (now part of the Industrious Group) at both Windmill Green and Landmark Buildings in Manchester, regional offices for DLA Piper in Manchester, Liverpool and Birmingham, a new GB Head Office for Hilti at Circle Square in Manchester and ‘The Nest’, and a purpose built training facility for Timpson Group in Wythenshawe.

His multidisciplinary team retains close links to the London office while developing a fast-growing portfolio of projects across the Midlands, North and Scotland including a new commercial office development at the heart of the Wellington Place development in Leeds for MEPC, several new office fit-out projects across the UK for BT as part of their ‘Better Workplace Programme’, including their new Hub building at New Bailey in Manchester and BT/EE contact centre in Newcastle.


An award-winning practice with global reach, tp bennett is committed to investing in its people, who are at the heart of everything we do.

Our workforce is drawn from many countries with more than 20 nationalities represented and 25 languages spoken, in open-plan offices with an approachable management structure. We believe in an inclusive working environment.

Non-Executive Chair, Chief Commercial Officer and CFO/COO

Remembering Richard Beastall

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We provide an in-house mentoring programme to help your progress in your career.

We also provide an in-house mentoring programme to help your progress in your career. When you join tp bennett you become part of a family network, a family that believes in a healthy work-life balance. We have a very active sports and social committee that holds regular events, including an annual study trip, weekly Friday drinks, theatre trips, sports activities and more.

Our headquarters is in Southwark, London, in the heart of one of the world’s great creative clusters, and we have regional hubs in the vibrant Northern Quarter district of Manchester and in Leeds. Come and meet us.

View our latest vacancies here.

Gender pay gap

tp bennett is committed to having a diverse workforce. We value diversity and will continue to provide equal opportunities for all employees.

As we employ more than 250 people, we are required to report on our gender pay gap figures. tp bennett welcomes this initiative and is hopeful that it will be a positive step in bridging the gender pay gap in the built environment sector.

To download the 2023 Gender Pay Gap Report click here.

We are always looking for talented people to join our team.

See vacancies