William Tozer Associates is a design studio founded by New Zealand architect William Tozer in 2002. The firm works across architecture and interior design, specialising in the commercial and residential sectors.

Completed projects include a number of housing extensions, lofts, basements and renovations, as well as coffee-shop interiors, restaurants and corporate headquarters across the UK, US, Australia and New Zealand.

The practice comprises a close-knit team of architects that work from its studio in London.

Pictured above is the firm's timber-clad extension of a Victorian villa in Auckland's Mount Eden suburb.