ACCREDITATIONS Cornerstone holds the following accreditations and memberships: BS EN ISO 9001:2015 Expand Independent accreditation of our Quality Management System GB 14375 BS EN ISO 14001:2015 Expand Independent accreditation of our Environmental Management System GB 22666 BS EN OHSAS 18001:2015 Expand Independent accreditation of our Health and Safety Management System 14126251 BBA (British Board of Agrément) Expand Compliance with PAS 2030 standards for EWI, IWI, CWI and loft insulation BBAI5337 CHAS (Contractors Health & Safety Assessment Scheme) Expand Safety Schemes in Procurement (SSIP) accreditation Verify via 020 8545 3838 Checkatrade Expand Directory of recommended and trusted businesses Reg. no. 389602 Constructionline GOLD Expand Prequalification accreditation for construction contractors 61837 Environmental Agency Expand Upper Tier Waste Carrier licence CBDU52741 IAA (Installation Assurance Authority) Expand Compliance with PAS 2030 standards for External Wall Insulation, Internal Wall Insulation, Cavity Wall Insulation, Loft Insulation and Park Home Insulation’. Membership number: CIGI10165 ICO (Information Commissioners Office) Expand Accreditation demonstrating compliance with the Data Protection Act 1998 ZA033914 Prompt Payment Code Expand Voluntary Signatory of the Department for Business, Skills & Innovation code since 2016 Renewable Energy Consumer Code (RECC) Expand Membership No: 00063491 SWIGA (Solid Wall Insulation Guarantee Agency) Expand Membership of the insurance backed guarantee provider for solid wall insulation TrustMark Expand Accredited member of the government endorsed standards scheme Registration number: 1737629 01379 853 613 enquiries@cornerstonelimited.co.uk Website Terms & Privacy Policy Registered Office: Cornerstone (East Anglia) Limited, Unit 2-4, Fuller Road, Harleston, Norfolk, IP20 9EA. Registered No.05117129. Registered in England and Wales.