+44 (0)208 749 5852

Contemporary homes

Bespoke joinery

Listed properties

Flexible living

About us

Specialising in design and build, Act Developments create outstanding homes within the High-end Residential property market.

Providing a full service from concept to completion, we engage with clients and architects from the initial stages of design, through construction and the interior fit-out to create homes with an exceptional finish. We have earned our reputation based on commitment, service and quality resulting in repeat business from both clients and architects.

The Team

The team consists of carefully selected contractors and trade specialists, overseen by Directors Alister and Cameron de Wys.


With more than 22 years experience in residential property and project management, the de Wys brothers oversee each project from start to finish, joined by experienced site managers. With an established team of craftsmen, tradespeople and specialists, all projects can be achieved, and with control and attention to detail, we get the best results.

Alister de Wys, Director

Alister de Wys, Director

Alister joined Cameron founding Act after 9 years as a Project manager. “We wanted to bring personalisation and professionalism to the building experience and we have been able to achieve this over many varied projects across London”.

Cameron de Wys, Director

Cameron de Wys, Director

A qualified carpenter by trade, Cameron works closely with architects, engineers, sub-contractors and clients and has developed a broad knowledge of building structure, innovative products, materials and finishes.

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9 Glenthorne Mews
115a Glenthorne Road
London W6 0LJ

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+44 (0)208 749 5852