Foundation work for homes surges to beat stricter Part L regs

Aaron Morby 1 month ago

House builders are racing to get foundations laid on sites so plots can be registered as housing starts to beat more stringent part L building regulations requirements on builds.

Race is on to get plots registered as starts before June 2023 deadline
Race is on to get plots registered as starts before June 2023 deadline

Evidence of the sudden surge in foundation work activity is being seen by construction materials suppliers. They are reporting increased sales above seasonally expectations.

The new Building Regulations covering energy performance of new buildings came into force this June. But house builders have been given a grace period where stricter part L requirements will not apply to homes started before June 2023.

This has fuelled the race to construct foundation slabs for new homes, which allows plots to be registered as starts.

One source told the Enquirer: “House builders are quite blatantly focusing on foundations before next summer’s deadline for builds to reduce carbon emissions by 31%.

“On one site I was on a Bellway site manager pointed to a row of concrete slabs saying we are getting our ducks in a row ahead of the new Building Regulations.”

In the latest construction product availability report by the Construction Leadership Council, aircrete block manufacturers are said to be reporting strong sales of foundation blocks.

Historically this leads to increased sales of above ground blocks 4-6 weeks later.

“This year there is less correlation, and the increased below ground activity is likely due to builders seeking to get new starts registered before changes in Part L regulations next June,” said John Newcomb, CEO of the Builders Merchants Federation.

Pre-cast concrete pile and ground beam manufacturers are also seeing increased activity, above the level of predicted seasonally starts.

The surge in foundation work comes at a time when construction activity is showing the first signs of softening in house and commercial building.

According to the latest product availability report as the industry moves into the fourth quarter of 2022, all regions are reporting the best product availability in two years, both in the range and volume of products available and delivery/lead times.

Availability of bricks has significantly improved. And softening demand has led overall product price inflation to moderate slightly, dropping from 25% to around 17%.

Nonetheless, concerns remain over inflation tied to energy costs for manufacturers, despite the Energy Bill Relief Scheme announced by government last month.

Energy intensive products such as bricks, blocks, glass, steel, cement and ceramics that have already seen sustained price increases are already announcing further increases from January.

Timber prices have fallen amid extensive restocking of standard softwood sizes.  There are, however, gaps in speciality markets such as birch plywood, which is affected by sanctions against goods from Russia.

The report warns that firms sourcing birch plywood should request full due diligence documentation to ensure it is legally sourced from Finland and Latvia.

It said: “We are aware of cheap birch plywood coming from China and Vietnam, where there are no birch forests, and is likely sourced from Russia.  Russian birch logs processed elsewhere cannot be legally sold in the UK.”

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