BOPAS provides assurance to the lending community that innovatively constructed properties, against which they may be lending, will be sufficiently durable as to be readily saleable for a minimum of 60 years.

Impeccable pedigree


BOPAS is a joint initiative from BLP, Buildoffsite, The Royal Institution of Chartered Surveyors (RICS), and Lloyd’s Register; in consultation with the Council of Mortgage Lenders (CML) and the Building Societies Association (BSA). 

Many lenders have contributed to developing the methodology, including: 

  • Lloyds TSB Group (including HBOS)
  • Nationwide
  • RBS
  • Santander 

The Assurance Scheme comprises:

  • A durability and maintenance assessment (carried out by BLP)
  • A process accreditation
  • A web-enabled database comprising details of assessed building systems, registered sites and registered/warranted properties

For more information, visit the BOPAS website.

For more information on any of BLP's consultancy services, please contact Jeff Maxted, Director of Technical Consultancy on 020 7204 2466 or get in touch via email.

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