We would recommend calling Certass on go to site 01292 292099
If your details have been registered they will check the date your certificate was posted to you. If you haven’t received your certificate and it’s within 28 days of our original date of issue, they will send you another certificate free of charge by 2nd class post witihin 7 working days. There will be a small charge of £10 inclusive of VAT for any certificate they re-issue where 28 days or more has passed since the original date of issue. If your installation is not registered, please contact your us directly on 01482 440270.