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Davey sets out stall on energy efficiency


It will support delivery of the Green Deal,


the rollout of smart meters and the increase in renewable heat. ‘I’m hugely enthusiastic about energy efficiency. It’s the cheapest way of cutting carbon – and cutting bills for consumers. It has to be right at the heart of what we do,’ said Davey on his first day in the job. ‘Two out of three consumers think their home


is wasting energy, but only one in three is going to do anything about it. That has to change. We need to get out there and show people what energy efficiency can really do for them.’ He reiterated the role the Green Deal could


New Energy Secretary Ed Davey addresses the media on taking office. He pledges to cut energy waste


l New man at helm of energy policy emphasises energy efficiency


The new Energy and Climate Change Secretary, Ed Davey, has sought to establish his green credentials by emphasising the importance of energy efficiency in buildings.


Following fellow Liberal Democrat Chris Huhne’s resignation as Energy Secretary, Davey last month launched the Energy Efficiency Deployment Office (EEDO). The new body is charged with ‘developing a


new strategy to identify the potential for further energy efficiency’.


play in generating employment – with up to 65,000 new jobs predicted by the government – and tackling ‘some of the most inefficient housing stock in the EU’. Various industry commentators have expressed doubts about the direction of the Green Deal. Graham Meeks of the CHP Association said it had ‘its limits, adding it is vital that we now see a concerted effort to dramatically increase the productivity of the energy we use across the whole of the economy’. David Frise, head of sustainability at the


Building & Engineering Services Association (B&ES), formerly the HVCA, said it was vital for the government to find better ways of including smaller firms in the delivery process. ‘At the moment the Green Deal looks


worryingly like an exclusive club for firms with big financial muscle,’ he said.


Top official insists Part L change is ‘not backsliding’


A leading government official has said that the lower carbon target of 8% proposed for new homes (see News page 6) was an attempt to bring in the change in a ‘staged’ way that would be more manageable for some housebuilders not able to adopt the ‘Full Energy Efficiency Standard’ now. Bob Ledsome, head of building


regulations at the Department for Communities and Local Government (DCLG), was outlining the current consultation on changes to Building Regulations Part L in 2013. He said: ‘As we’ve moved


through the zero carbon homes consultation process, we’ve all learnt about what is realistic and economically viable to do – what can be achieved on site.’ Ledsome, who was speaking at


the recent Zero Carbon Hub annual conference in London, insisted: ‘I don’t think it is a question of any backsliding on targets. It’s a


10 CIBSE Journal March 2012


recognition of what sensibly can be done, and we would be very interested to hear what consultees have to say about it.’ He added that the consultation’s proposal for a new ‘compliance’ regime for house builders was aimed at addressing the question of ‘actual’ and ‘predicted’ low carbon performance of new homes. He said such a regime would


enable builders to demonstrate that they had a quality assurance process in place for delivering low carbon homes. The assurance process could be taken forward via a BSI standard, he added. Some speakers and delegates at


the conference criticised the SAP modelling tool used for building design, questioning whether it could provide low carbon designs that would deliver the intended energy performance in practice. Neil Jefferson, chief executive of


the Zero Carbon Hub, which has produced definitions of zero carbon


Paul Morrell calls for an ‘Existing Homes Hub’ to be set up


homes for government, said: ‘I want to see proper investment in SAP, so that the models we see in future are fit for purpose.’ Stewart Baseley, chairman of the


Home Builders Federation, said: ‘I wonder whether further changes to the Building Regulations in 2013 are sensible, in light of the SAP issue.’ He added: ‘I’m not opposed to Part L changes [in 2013] but are we


doing the right thing in making changes before getting SAP right?’ Ledsome responded: ‘The work


that has been done on compliance has shown that it’s not just about SAP or homes not being built properly on site – there’s a whole collection of issues that are bound into getting ourselves collectively in a position where we can give an assurance to regulators, building control and house buyers that homes will perform as they’re meant to.’ This was why the government


was proposing that a ‘PAS’ specification – currently used to assess whole-life carbon emissions of, for example, consumer products – be adopted for zero carbon new homes, he said. Conference delegate John Tebbit,


industry affairs director at the Construction Products Association, challenged some speakers’ comments on the possible inadequacies of SAP. He said that


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