Indicative research that subjected a number of dwellings to re-testing up to three years after completion, to establish how their air permeability had changed; in response to suggestions that new homes become leakier as they age due to shrinkage and settlement.
Phillips, T., Rogers, P. and Smith, N.
The NHBC Foundation - National House Building Council's independent research institution - was established in January 2006 in partnership with the BRE Trust.
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
IHS Markit is a leading global source of critical information and insight for customers in a broad range of industries. Our customer product and service solutions span four major areas of information: energy, product lifecycle management, environmental and security. By focusing on our customers first, we deliver data and expertise that enable innovative and successful decision-making. Customers range from governments and multinational companies to smaller companies and technical professionals in more than 180 countries. IHS has been in business since 1959 and employs more than 3,500 people in 35 locations around the world.