Limiting carbon reduction target on new homes to 8% rather than 25% will lower costs for housebuilders, ministers say
Ministers have moved to relax the previous government鈥檚 requirement for big carbon reductions on new homes in a bid to ease the cost of the regulations on housebuilders.
The Department for Communities and Local Government鈥檚 consultation on 好色先生TV Regulations, published yesterday, proposed a carbon reduction of just 8% on 2010 levels for new homes and 20% for non-domestic buildings.
This is well below the reduction of 25% which the Labour government was committed to across both building types, which had wide industry support.
The consultation said the move to limit CO2 reduction on new homes to just 8% was made 鈥渙n the basis that this minimises the cost impact on housebuilders whilst still providing a meaningful step towards zero carbon鈥.
The consultation said the government estimated this standard would add a cost of 拢795 to each new home.
It added that the government had considered imposing a target of a 26% improvement on 2010 standards but said this would introduce 鈥渁 higher cost for housebuilders at a time when the government has a commitment to reduce the burden on the housebuilding industry鈥.
On non-domestic buildings, the consultation said a 20% improvement on 2010 standards would give 鈥渢he highest long-term benefits to business through significant energy savings for building occupants鈥.
Despite relaxing the standards, the government did pledge to keep the Labour government鈥檚 target to make all new homes zero carbon from 2016.
The new standards will be achieved by a combination of enforcing the minimum fabric efficiency standard developed by the Zero Carbon Hub and more energy efficient services, the consultation said.
John Tebbit, Construction Products Associations vice-president, said the proposed changes to Part L were the first stage in a two stage process, which would see new homes have to be zero carbon under Part L from 2016.
He said the proposals published by the government were the 鈥渕ost cost effective way to get to 2016鈥.
He said it was right to ensure the fabric of new buildings was efficient as a priority before requiring much better services from 2016.
鈥淚 think it鈥檚 quite brave of the government to do it because it doesn鈥檛 give you a good headline figure,鈥 he added.
Consultant Neil Cutland, former director of the 好色先生TV Research Establishment鈥檚 Low Carbon Housing Futures Centre, said the proposals would mean a bigger headline carbon reduction was required from 2016 but this would be achieved easily with energy efficient services.
鈥淭he big challenge is the fabric,鈥 he said.
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