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Written by Warren Muschialli

Newton Waterproofing is extremely proud to announce that they have recently achieved the much sought after Gold (Level 3) membership with Constructionline.

Newton Waterproofing become a gold Constructiononline member

As a verified Gold member, Newton are subject to stringent validation checks by Constructionline, which involve assessment of our environmental management, quality management, equal opportunities, modern slavery act adherence, and anti-bribery and corruption policies.

With tens of thousands of buyers relying on the Constructionline platform to identify construction suppliers, having a Gold membership gives customers enhanced confidence in Newton’s company standards.

quotation marks“We are proud to have reached this enhanced level of membership with Constructionline that shows just how hard Newton work to meet the expectations of our customers. With many leading main contractors requiring a Gold membership as the minimum standard from their suppliers, we are pleased to be part of the elite group that have achieved the Gold level of accreditation.” Warren Muschialli, Managing Director at Newton Waterproofing

View Our Gold Membership Certificate

Newton also holds accreditation’s, certifications and/or memberships with:

  • ISO 9001:2008 – Processes and Procedures
  • ISO 14001:2004 – Environmental
  • BS OHSAS 18001:2007 – Health & Safety
  • Acclaim SSIP Health & Safety
  • FORS (Fleet Operation Recognition Scheme)
  • British Board of Agrément (BBA)
  • BDA Agrément
  • RIBA CPD Providers Network
  • London Chamber of Commerce & Industry
  • Supply Chain Sustainability School
  • British and Irish Trading Alliance
  • The Basement Information Centre
  • Property Care Association
  • Association of Structural Underpinning Contractors
  • Kent Invicta Chamber of Commerce
  • British Tunnelling Society
  • The 5% Club
constructionline gold membership

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Our staff are able to provide guidance for projects of all sizes, whether you require some general advice about damp or waterproofing, or support with technical drawings and specifications.


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    We will be closing between Christmas and New Year, with the last day of operations being Friday 20th December. Last orders for delivery before Christmas therefore need to be placed by 2pm on Thursday 19th December, with final deliveries on Friday 20th December. After this, no deliveries will be possible until January 2025. The Newton branches in Tonbridge and Leeds will reopen in the New Year on Thursday 2nd January 2025.