Welcome to
Cassidy + Ashton.


We’re a multi-disciplinary and award-winning practice of Chartered Architects, Chartered Building Surveyors, Town Planners and Construction Advisers with over 50+ people. Underpinning Cassidy + Ashton is a passion to deliver an A+ service, A+ results and A+ careers.

What we do.

The Refectory, Stonyhurst College


We are passionate about great design. Founded in 1960, Cassidy + Ashton is dedicated to designing innovative and sustainable buildings, spaces and places, making a lasting impact on communities.

Our team has an A+ commitment to quality, combining the best in design with technical and commercial thinking. We understand that decisions made now have a long-term impact.

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Avro Heritage Centre, Woodford

Building Surveying

Cassidy + Ashton’s Chartered Building Surveying team provides a range of highly technical and specialist services for clients across the UK.

The combined experience across our team gives clients access to invaluable guidance when purchasing, leasing, upgrading or vacating a building and helps clients to meet a diverse range of challenges.

This wealth of experience coupled with our A+ commitment to client service is what sets Cassidy + Ashton apart

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Town Planning

Cassidy + Ashton’s town planning team has a national track record in achieving A+ town planning results.

Our service is centered on developing close working relationships with our clients, understanding their goals and guiding them through the complex planning process to achieve the desired result.

Our town planning and environmental consultancy specialists also have very positive and collaborative relationships with local authorities and key stakeholder organisations. We can handle all types of planning applications for a diverse range of development types.

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Theodore House

Principal Designer

Cassidy + Ashton’s specialist Principal Designer service enables clients to comply with the stringent Construction (Design and Management) Regulations 2015, which places a health and safety legal duty on all those involved in building projects.

We have the necessary skills, qualifications and experience to take a lead role and ensure clients manage and mitigate health and safety risks throughout projects of all sizes.

Cassidy + Ashton adheres to the highest people safety and welfare standards and our culture helps secures the health and safety of everyone involved in a construction project.

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  • Royal Institute of British Architects - RIBA
  • Royal Institution of Chartered Surveyors - RICS
  • Royal Town Planning Institute - RTPI
  • iso9001
  • iso14001
  • abr

Thank you

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