Building Fabric
Roofing Feature
Raising the roof for social housing retrofits
Stuart Nicholson of Marley discusses some of the ways a full roof system, incorporating solar PV, can have a positive impact on rising energy prices.
T
he social housing whitepaper outlined the Government’s commitment to review the Decent Homes Standard to consider if it should be updated, including how it can better support the decarbonisation and energy
efficiency of social housing. In February 2021, the Government announced it was commencing a two-part review of the Standard, which at the time of writing, was still ongoing. With this in mind, local authorities and housing associations responsible for
retrofitting and maintaining existing properties, are essential when it comes to transforming household energy efficiency performance and future sustainability.
SOLAR PV Solar PV technology is tried and tested, readily available, and has become much more affordable in recent times. Indeed, such is the momentum behind the adoption of the technology, Solar Energy UK predicts the changes to Part L could lead to a five-fold increase in the number of new homes specified with solar technology. Yet, when it comes to improving the efficiency of existing housing stock, solar PV can also play a significant role here too.
38 | HMMJune/July 2022 |
www.housingmmonline.co.uk
Solar PV technology is tried and tested, readily available, and has become much more affordable in recent times
Within the retrofit market, housing associations will understandably be
looking at a way to further maximise the benefits of solar PV. One way to do this is to take a complete view of retrofit projects, so rather than examining housing stock roofing upgrades on an incremental basis, local authorities should view property stocks holistically and collectively by age. When retrofit, maintenance or roof replacement is required for a volume
of houses, it makes both economic and resource sense to incorporate technologies such as solar PV at that stage, as opposed to taking a piecemeal and operationally inefficient approach. Tis approach ensures housing associations can invest primary capital expenditure as effectively as possible so the most expensive cost items such as labour and scaffolding are incurred just once.
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