Subject to regulations 13(5)(a) and 14(3), where a landlord is served with a tenant's request, the landlord must not unreasonably refuse consent to the making of a relevant energy efficiency improvement specified in the tenant's request.
A landlord's refusal of consent is not unreasonable where—
This paragraph applies where—
This paragraph applies where the relevant energy efficiency improvement falls within any of paragraphs (d), (n) or (v) of the Schedule to the Green Deal (Qualifying Energy Improvements) Order 2012, and the landlord has obtained a written opinion from—
advising that it is not an appropriate energy efficiency improvement, due to its potential negative impact on the fabric or structure of the domestic PR property, or the building of which it forms part.
This paragraph applies where the tenant's request specifies a relevant energy efficiency improvement which is the same, or substantially the same, as any energy efficiency improvement to the PR property which the landlord had proposed within the preceding six months, where—