Fourfoursixsix are a talented team of passionate and driven architects. We are a global office with diverse backgrounds, and we pride ourselves on our ability to deliver consistently high levels of service.

We believe that excellent communication underpins any successful outcome – within the office, on-site, and with our clients. Communication and knowledge sharing also ensure that team members are stimulated, commercially minded, and have a real understanding of all project stages.

Our approach to architecture ensures an excellent understanding of client briefs, and the ability to balance these with wider stakeholder requirements, which we believe ultimately results in successful projects.

Daniel Welham

Founding Director BA (Hons) Dip Arch ARB RIBA

Daniel co-founded the practice in 2006 and is now the principal director of our London office. Daniel is known for his pragmatic, considered yet passionate approach to design. He has developed a reputation for his strong presentation skills, understanding all stages of the design process and the needs of our clients, planning departments, and end-users. Collectively, these provide him with a deep understanding of the planning process and the ability to maximise site potential through design excellence.

Daniel has extensive and wide-ranging experience planning and coordinating high-profile large-scale international projects, delivering many schemes within the UK, Europe, Asia and New Zealand.

Daniel Graduated the Bartlett School of Architecture in 2005 and was previously at Wilkinson Eyre Architects before forming Fourfoursixsix. Daniel is a London Borough of Wandsworth Quality Review Panel member.

Tim Ridd

Founding Director BA (Hons)

Tim is a co-founder and the Business & Strategy Director of Fourfoursixsix. Tim's keen understanding of both the UK and international real estate environment provide the firm with a global network of opportunities.

Having set up and managed the firm's Bangkok office, Tim is now based in London, overseeing all day-to-day business matters and utilising his extensive network to engage with new and existing clients. Tim's passion for design coupled with his business experience provides a robust framework for the consistent growth of Fourfoursixsix.

Thomas Gray

Director BA (Hons) Dip Arch ARB

Thomas combines a strong design ability with a rigorous technical approach and a broad construction knowledge.

He is the director leading Apex 1 Nine Elms, was project architect for the delivery of both 44-46 Falcon Road and 294 Old Brompton Road, and led the successful planning application for a new-build mixed-use scheme on Wood Green High Road. The former Marks & Spencer building is a key site in the regeneration of the High Street, and forms part of a wider Haringey Site Allocation.

Thomas joined the practice in 2011, having previously worked at Nickl & Partner in Munich on large-scale international healthcare, educational and cultural schemes.

Serena Croxson

Director BA (Hons) Dip Arch ARB

Serena has worked internationally across all RIBA stages having led complex residential and cultural schemes in London and across Asia and the Middle East. Prior to joining Fourfoursixsix Serena worked at Rogers Stirk Harbour and Partners for 5 years in London on a range of complex projects throughout all project stages, both within London and abroad, managing complex deliverables and working with a range of consultants.

Notable projects include the award winning Leadenhall Tower, Sea Containers House and the luxury multi-unit Bankside residential project. After a period of working in Japan, she then joined award winning practice Jo Cowen Architects in London working on a wide range of residential schemes.

Serena graduated from the Bartlett School of Architecture with a Double Commendation. She has an interest in Architectural education and has been regularly invited to be a visiting critic for students at the Bartlett School of Architecture.