Business Details
50+ Years
experience
Award-Winning Chartered Architects in Preston
Cassidy & Ashton is a multidisciplinary practice with over six decades of experience in architecture, building surveying, town planning, and principal design. Founded in 1960, we combine technical expertise with commercial insight to deliver innovative, sustainable solutions tailored to client needs. Our team of chartered professionals prioritises quality, maintaining close client relationships while adhering to rigorous health and safety standards.With a national track record and accreditations from leading institutions, we specialise in complex projects across diverse sectors, including heritage conservation and urban masterplanning. Our commitment to excellence is reflected in our ISO certifications and collaborative approach, ensuring projects meet both regulatory requirements and long-term community impact goals.
Services
Architecture
Building Surveying
Town Planning
Principal Designer
BIM/Revit
Details
- Year established: 1960
Highlights and features
- We have over 60 years of experience in architecture and planning.
- Our multidisciplinary team holds chartered status across all disciplines.
- We adhere to ISO 9001 and ISO 14001 quality and environmental standards.
- Our principal designer service ensures CDM 2015 compliance for safety.
- We maintain a national track record in heritage and complex developments.
Associations and certifications
- RIBA Royal Institute of British Architects
- RICS Royal Institution of Chartered Surveyors
- CIAT Chartered Institute of Architectural Technologists
- RTPI Royal Town Planning Institute
- MIEMA Institute of Environmental Management & Assessment
- CEnv Chartered Environmentalist
- ISO 9001 Quality Management System
- ISO 14001 Environmental Management System
Services
Architecture
Our architectural service focuses on innovative, sustainable design solutions for new builds and refurbishments. We specialise in feasibility studies, concept design, and planning applications, integrating technical expertise with aesthetic considerations. Clients benefit from our BIM/Revit capabilities and a collaborative approach that ensures projects meet regulatory standards while delivering long-term value for communities.
Town Planning
We provide end-to-end town planning services, including planning applications, listed building consents, and S106 agreements. Our team negotiates with local authorities to secure approvals for commercial and residential developments, ensuring compliance with national policy. Expertise extends to environmental impact assessments and appeals for complex projects.
Principal Designer
As principal designers, we manage health and safety compliance under CDM 2015 regulations. Our role includes risk assessment, coordination of design teams, and preparation of pre-construction information. We ensure client duties are fulfilled, maintaining safety standards throughout the project lifecycle for both commercial and domestic clients.
Building Surveying
Our chartered building surveyors offer technical advice on property acquisitions, condition assessments, and regulatory compliance. Services include building regulation approvals, contract administration, and conservation work for heritage sites. We provide strategic guidance to maximise asset value while addressing structural and compliance challenges.
BIM/Revit
We utilise BIM/Revit technology to enhance design accuracy and collaboration across disciplines. This service supports 3D modelling, construction coordination, and data management for new builds and existing structures. Our approach reduces on-site errors and improves operational efficiency, aligning with industry standards for digital construction workflows.
People
Alban Cassidy
Founder
With over 60 years of experience, Alban Cassidy established the practice in 1960, fostering a legacy of architectural excellence and client-focused service delivery across the UK.
Dave Owen
Principal Designer
Dave oversees health and safety compliance for complex projects, ensuring adherence to CDM 2015 regulations while coordinating multidisciplinary teams to deliver safe, efficient construction outcomes.
Questions
What services does Cassidy + Ashton offer?
We provide architecture, building surveying, town planning, principal designer services, and BIM/Revit solutions for commercial, residential, and heritage projects.
Are you accredited by professional institutions?
Yes, we hold accreditations from RIBA, RICS, RTPI, CIAT, and are ISO 9001 and 14001 certified for quality and environmental management.
Do you handle heritage or listed building projects?
Yes, our RIBA-accredited conservation architects have extensive experience working on Grade I, II*, and II listed buildings nationwide.
How do you ensure compliance with health and safety regulations?
As principal designers, we manage CDM 2015 compliance, coordinating risk assessments and safety protocols throughout the project lifecycle.
Can you assist with planning applications?
Yes, our town planning team has a national track record in securing planning permissions, including complex S106 agreements and appeals.
What areas do you operate in?
We work across the UK, with offices in Lancashire, Cheshire, the South East, and North Wales.
