STD 3 NHBC Standards 2013. Part 3 - Ancillary technologies
Gives technical requirements, performance standards and guidance for the design and construction of dwellings acceptable to NHBC. Covers: 3.1 Low or zero carbon technologies. Deals specifically with biomass boilers, heat pumps, solar photovoltaics, solar thermal water heating and wind turbines.
Part 10 is no longer allocated and does not appear in the set. Effective from 1 January 2013.