The Contractors Health and Safety Assessment Scheme
"We've seen a great improvement in the standard of contractors since joining CHAS, we certainly wouldn't like to see a fallback in standards without CHAS".
Sunderland City Council, 2009.

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CHAS has moved to annual assessments

With effect from 1st October 2012 CHAS, like the majority of other health and safety pre-qualification schemes, has moved to an annual assessment cycle. View details of how this will affect you>>

Five Most Commonly Asked Questions

Before contacting us please review the top five most commonly asked questions. We find that these answer most of your queries and saves you both time and money.

How do I apply?

Full instructions and information on the application process can be found on our Apply Now page.

What do I need to do for renewal?

You will need to follow the same process as described on our  Apply Now page.

Accreditation - how do I get it?

Please review the information on our Accreditation Information page where you will also find a link to an online Accreditation Request Form.

What is my registration number?

We do not issue registration or compliance numbers. If your assessment and registration are successful you will receive a confirmation letter to say you have achieved CHAS compliance.

Where do I send my documents?

Once you have the completed questionnaire and have the supporting documents ready for assessment, please use the Contact screen below to request assessor details. All relevant documents should be sent directly to your assessor via the email address provided or to their postal address. Information may also be sent on a CD or a memory stick.

Many other questions are answered on our Contractors FAQ page.

If you still wish to contact us for an assessor or you have a compliment, complaint or comment, please fill and submit the form below. Fields labeled in bold text are required.








Are you requesting assessor details?

If you have completed your application form and are contacting us for assessor details you MUST tell us what type of assessment you need, otherwise your assessment may be delayed. No documentation is needed at this stage. Please tick all that apply

Contractor(Construction or non-construction related works)
CDM-Co-ordinator
Designer(this is an individual or practice involved in architecture, civil or structural engineering, building services engineering or building survey)
Care Provider
General enquiry
 We will respond to your enquiry within 3 working days.

The CHAS office number is 020 8545 3838. Please be aware that we often experience a high volume of calls and the answers to most questions can be found in the frequently asked questions section of our website. The office hours are Monday to Friday 09:00 - 17:00