The National House Building Council (NHBC) sets standards for all new dwellings
that are covered by its warranty scheme. This is around 85 percent
of all new homes constructed in the UK.
With the trend to medium- and high-rise blocks of apartments the NHBC
has introduced its standard for building envelopes. This invokes
the CWCT ‘Standard for curtain walling’ and ‘Standard for walls with ventilated
More information about the National House Building Council is available