Paragraph 6.2 Building insulation envelopeF1
Every building must be designed and constructed in such a way that an insulation envelope is provided which reduces heat loss.
Limitation
This standard does not apply to–
(a)
non-domestic buildings which will not be heated, other than heating provided solely for the purposes of frost protection;
(b)
communal parts of domestic buildings which will not be heated, other than heating provided solely for the purposes of frost protection; or
(c)
buildings which are ancillary to dwellings, other than conservatories, which are either unheated or provided with heating which is solely for the purpose of frost protection.