How do I treat communal areas that accompany units with independent heating systems when using iSBEM to produce an EPC?

Please refer to CLG's for further guidance. Click here In the guidance (Improving the Energy Efficiency of our Buildings - A Guide to Energy Performance Certificates for the Construction, Sale and Let of Non-Dwellings - section 4.2.2 scenario B1 - a centre with conditioned central space and independent heating systems) - note was made of including a proportion of the energy consumption of the conditioned central space in the EPC for a unit. The following advice should replace 4.2.2 scenario B1 in the guidance: In practice, where a centre has units and a common space all with independent heating systems, 1 EPC can be provided by a seller or landlord for the whole building only if it is being sold or let as a whole.

Otherwise a seller or landlord should provide an EPC for the part (or unit) being sold or let plus an EPC for the common space. The prospective buyer or tenant can then make their decision on the basis of the energy rating for the unit and the energy rating for the common ...

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