Contact Info

Ipswich office: 01473 212535

CDM Services

Client Advisor
Principal Designer
Principal Designer Advisor
Principal Contractor Services
Contractor Services
CDM Consultant

Construction Health & Safety

Contractor Consultancy Packages
Policies and procedures
Risk assessments
Site Inspections and Audits
Accreditation Services

Castons Group Services

Building Surveying
Employers Agent
Fund Monitoring
Quantity Surveying
Project Management


Castons Construction Advisory Service (CCAS) Ltd is a multidisciplinary consultancy, established in 1995 at the inception of the original Construction (Design and Management) Regulations. Over the years, and through strategic partnerships the company has grown from strength to strength, through direct employment of specialist trained and qualified staff.

Our offices located in Ipswich and London enable us to provide nationwide coverage for our clients and their projects. With the ability to draw on a comprehensive amount of experience and proficiency, our teams of Project Managers, Quantity Surveyors, Building Surveyors, CDM Consultants and Construction Health and Safety Specialists go above and beyond to exceed our client’s expectations in all the services that we offer.

Our strategic partnerships mean we can offer a multitude of construction related services to our clients, covering all aspects of their projects under one organisation, removing the need for multiple appointments, saving them considerable time, effort, and money. As part of our ongoing commitment to provide an exemplary service to all our clients, our business, and our directly employed staff are proud to hold an impressive suite of accreditations, partnerships, and professional memberships.



Principal Designer

The principal Designer duties are outlined in the CDM Regulations 2015, requiring the Principal Designer to have a central role for planning, managing and monitoring the Health and Safety in the pre construction phase of the project. Clients must appoint the Principal Designer as soon as is practicable, usually in writing. If the client fails […]

Read More

Principal Contractor Advisor

A Principal Contractor will be required for all projects with more than one ‘trade’ contractor on site.  The Principal Contractor’s duties include the planning management and co-ordination of the construction phase of a project. Our CDM 2015 Advisor can assist the Principal Contractor/Contractors with their duties under CDM 2015 for both commercial and domestic projects:- Assist […]

Read More

Project Management

Project Management aims to deliver a facility that optimises the factors of cost, value, time, and quality. We achieve these goals by providing an innovative customer-focused service, bringing the appropriate skills and maximum commitment to each of our projects. With our experience of working on many diverse projects including JCT and NEC forms of contract, […]

Read More

CCAS, along with Castons Consulting Limited, is delighted to join the Artelia Group, the independent project and engineering consultancy working across the built environment, energy, mobility, industry and water sectors.

To connect and find out more about this exciting evolution for CCAS, please contact Peter Dring or Matthew Norman.


This will close in 20 seconds