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Conservatory Roof Insulation Specialist

We Cover Herts, Beds, Bucks, Northants, Oxon and Surrounding Areas

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Certass is Government authorised to operate a Competent Person Scheme and is a UKAS accredited Certification Body. UKAS (United Kingdom Accreditation Service) is a Government approved body which is internationally recognised to accredit Certification Bodies. It accredits a Certification Body against an internationally recognised standard. Certass is accredited to operate product certification schemes against the standard BS EN17065.


Our UKAS accreditation matters! It places a duty upon us to certify our members impartially against agreed standards. It requires that our certification provides confidence to all interested parties including consumers, Governments and industry.


It is very different from the find a contractor schemes advertised on TV. These schemes are basically lead generation businesses that sell your information to contractors to be able to contact you to quote for work. Contractors can pay hundreds, if not thousands, of pounds per year to be a member of these schemes. As you will be able to determine there is a large potential conflict for these types of schemes.


Look for a UKAS accredited certification body to ensure they act with impartiality to recognised standards. We are independently checked by UKAS on an on-going basis.


Site Operative Competence Assessment 


Certification Schemes must ensure that each member company joining the Scheme can demonstrate they have enough technically competent staff to operate its business.

This can be evidenced either by:


Recognised qualifications, supported by a Certass Mandatory Technical Competence assessment (MTC)


Mandatory Technical Competence assessment for experienced workers without formal qualifications


Certass will ensure member company’s staff is competent by either:


Checking the employees training records

Undertaking an MTC assessment of the company’s site operatives


Competent Person Glazing Sector >

Required site operatives for the glazing sector:


All surveyors in the member company

Minimum 1 person from each fitting team in the member company


Competent Person Insulation Sector >


The insulation sector will be assessed against the requirements in PAS2030 as described here


Cq-Assured Workmanship Scheme 


The Cq-Assured Scheme requires that all site supervisors are competent to supervise the work type certified including any ancillary works.