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We pride ourselves on our dedicated personal and flexible approach in all aspects of domestic architecture. Projects range from grand new-build houses and Listed building refurbishments to modest re-modelling and extension to existing homes with typical project values from £150k up to £5M. Regardless of project value we aim to deliver a personal and design-led approach to each and every project.

We operate two offices, one in London overlooking the river Thames in Wandsworth and our Cambridge office in nearby Whittlesford. This allows us to serve client’s projects across London, the South, South West, South East England and East Anglia.



We follow a project delivery process which aligns with the RIBA Plan of Work. The 5 step process outlined below is a simple guide to our services and the steps needed to complete any project.


We can tailor these basic steps to suit your project needs and provide partial services where required, please do contact us to discuss how we can help with your project.


We start the process by undertaking a full measured survey of the property or site as it is important to have a base set of accurate CAD drawings to work from. These survey drawings form the basis for the following work stages.

In instances where properties have already been adequately digitally surveyed, we can commence Stage 2 Options Appraisal.


We work closely with our clients to accurately identify their brief, timescales and key accommodation requirements; from the must haves to desirable extras. We are also keen to understand the aspects of the property which are most and least pleasing to ensure we make the most of the opportunities.

We then produce sketch options for discussion, adopting a flexible and creative approach to produce something special which fits the client's requirements. Key considerations are layout, flow of spaces, openness or enclosure, light and choice of materials.

Careful consideration of likely statutory requirements is required at an early stage in the design process. Our experience allows us to advise on the likely acceptability of design proposals, but ultimately this is determined by the relevant authority.


Depending on project requirements, additional services may be necessary from other parties to consider impact on historic properties, daylight, trees and traffic. In addition, a quantity surveyor may be appointed to consider project costs from an early stage.


Once the design aspects are fully considered, we prepare drawings and documentation to liaise with the relevant local authority and any other statutory consultees to obtain the necessary consents for the proposals.

Depending on the requirements of the authority, additional services may be necessary from other parties to consider impact on historic properties, ecology, daylight, trees and traffic. We will liaise with any necessary parties to provide a co-ordinated submission for any approvals.


A vital part of the process is to ensure that the full detail of the project is adequately described in drawings, schedules, other construction and health & safety information. This information is the key to delivering the carefully considered design and communicating this to building contractors to allow this to be adequately priced.

We liaise closely and coordinate with other consultants and specialists such as quantity surveyors, structural engineers, garden and interior designers as required. We undertake a series of client review meetings during the preparation of this information to discuss the design, materials and fittings which make up the detail of the project.


When site works commence we are able to offer a number of services to ensure that our carefully developed designs are delivered to meet client expectations.

These services may include administering the terms of the building contract, respond to contractor queries, visiting site as required to monitor progress, programme, quality and financial issues.




The Directors, Richard David and James Snell, take an active role in all aspects of the business, running their own projects directly as well as closely overseeing the office management of the practice. They are supported by a group of project architects, who run a broad portfolio of projects.

Snell David have a strong technical department lead by our experienced technologists. This provides invaluable support with working drawings and knowledge of the Building Regulations, other statutory regulations and sustainable design.

Project Architects along with Part 2 students provide a broad base of graphic and architectural skills which enable Snell David to produce high quality visuals. The whole team is capably supported by our Part 1 students who join the practice on their year out as part of their architectural education.

James Snell

Director Of Snell David Cambridge

BA(Hons) DipArch RIBA

James studied architecture at Oxford Polytechnic and joined HTA Architects Ltd in 1987, working on a wide variety of new build and refurbishment projects as well as master planning large scale regeneration housing schemes. He became Design Associate in 1995 and Design Director in 1998 before joining Richard David in 2000 to establish Snell David Architects.


James has over 20 years experience designing and delivering residential projects, large and small.

Damian McGeary

Steven Carroll

Director Of Snell David London

BA (Hons) BArch RIBA

Steven studied at the University of Liverpool and worked at Buttress Fuller Alsop Williams, Manchester in 2006 gaining full qualification and 5 years’ experience working on commercial and private residential projects on new and listed buildings.


He joined Snell David in November 2010 becoming an Associate Director in January 2014.

Steven Carroll
James Cattle

James Cattle

Associate Director of Snell David Cambridge

BA (Hons) MArch ARB


James gained his Part I at the University of Brighton and his Part II at the University of East London. 


He joined Snell David in September 2013 becoming an Associate Director in December 2017.  



Richard David


BA(Hons) DipArch RIBA


Richard studied architecture at Oxford Polytechnic and has previous architectural experience on commercial, retail and industrial projects. He established Snell David with James Snell in 2000.

Alan Smith

Senior Architectural Technologist



Alan obtained his architecture degree at Leicester Polytechnic (now De Montfort University).  He joined Snell David in January 2018 having previously worked in several architectural and surveying practices in East Anglia. 


Alan has extensive experience working on listed buildings and residential projects.  He has also worked on archaeological projects across Europe, Scandinavia the Middle East and India.

Margherita Gallieni

Part II Architectural Assistant

BSc MArch


Margherita studied in Milan for her undergraduate and later moved to Glasgow where she achieved her part II at the University of Strathclyde.

She joined Snell David in July 2016 having worked in practice in Italy before moving to the UK to complete her architectural education.

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Rosie Pratt

Project Architect

BA(Hons) MArch ARB


Rosie studied for her Part I at De Montfort University and worked with Snell David for two years as a Part I Architectural Assistant before continuing her studies at Manchester School of Architecture


After finishing her Part II, Rosie gained experience working on larger residential schemes and completed the final part of her Studies with RIBA North West in 2021.  Rosie re-joined Snell David as a Project Architect in June 2022.  

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Merrick Baltruschat

Part II Architectural Assistant

BA(Hons) MArch 


Merrick returned to Snell David Cambridge after gainaing an MArchD from Oxford Brookes University.  Merrick previously studied at UWE in Bristol where he gained his BA(Hons) degree. 


Between his studies, Merrick worked with Snell David for 2 years on a large variety of high end residential projects.  Merrick will continue to develop his experience with Snell David before embarking on his Part 3.

Daniel Cornell

Part II Architectural Assistant

BA(Hons) MArch

Daniel completed his Part II at Newcastle University and his Part I at Plymouth University. 


Prior to joining  Snell David in December 2020, he gained experience working on high-end residential schemes in Devon and Cornwall.

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Tamara Sokolik

Architectural Designer


Tamara gained her qualification (equivalent to part I and part II) in Technion, Israel, followed by 8 years of experience working on variety of sectors.


She joined Snell David in February 2019 after enriching and adapting her knowledge to UK requirements in Bristol and Cambridge practices.



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Hannah Day

Part 1 Architectural Assistant


Hannah completed her Part I at London Metropolitan University (formerly The Cass School of Architecture) following a previous career in teaching and education.


Prior to joining Snell David she gained experience on commercial projects. She joined the practice in October 2022 to extend her professional experience in the residential sector

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Rosie Clark

Part I Architectural Assistant

BSc (Hons)


Rosie completed her Part I education at the University of Reading in 2021 and worked with Snell David for a year as a Part I Architectural Assistant. 


She returned to the practice in September 2023 to further develop her professional experience, whilst also studying part-time for her MArch degree at the University of Reading. 

Dan Kanabahita

Part I Architectural Assistant


Daniel completed his Part 1 at the University of Nottingham. He joined Snell David in September 2023 to gain practical experience before embarking on his Part 2.

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Harry King

Part I Architectural Assistant



Harry completed his Part 1 at the De Montfort University.  He joined Snell David in August 2023 in order to gain professional and practical experience in preparation for his Part 2.

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Itziar Fernandez Florian

Part I Architectural Assistant


Itziar completed her Part I at the University of Kent.  She joined Snell David in August 2022 to gain professional experience.


When not at work, Itziar is a keen basketball player, completing in tournaments across the country. 

James Cattle

Paul Turley

Freelance Architect

BSc(Hons) DipArch RIBA

Paul studied at Birmingham University becoming a fully qualified architect in 1976. Since then he has worked in a variety of practices, namely Seymour Harris Partnership, Design House and setting up his own.


He has worked as a freelance architect for the past 20 years and has provided his expertise at Snell David since it’s early days.




Award-winning architects London Cambridge residential offering a personalised sustainable service
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