There are more than 100,000 medium-rise homes that fall outside new regulations aimed at making buildings safe in the aftermath of Grenfell, including the ban on combustible cladding, Inside Housing can reveal.
Leaked minutes from a meeting between local authority figures and government officials have shown that lowering the official threshold for a ‘high-rise building’ to 11m would raise the current number of buildings in scope from 12,000 to more than 100,000.
These buildings, which can be up to seven storeys tall, sit outside requirements to remove dangerous cladding, as well as newer recommendations to provide fire alarms and write evacuation strategies.
The ban on the use of combustible materials also only applies from 18m – meaning new buildings can currently be built with combustible cladding in compliance with government guidance.
The Cube in Bolton, which was ravaged by fire ripping through combustible high-pressure laminate panels last weekend, measured 17.86m, meaning it slipped narrowly below this threshold.
A huge fire that tore through combustible timber cladding in Barking, east London, in June also occurred in a building below 18m.
Industry sources said that builders have deliberately designed projects to narrowly below 18m to circumvent the regulatory requirements that kick in above that threshold.
Scotland recently changed regulations to reduce the threshold to 11m. Sir Martin Moore-Bick, chair of the Grenfell Tower Inquiry, said last month that he would consider recommending such a change in phase two of the inquiry.
It comes as Inside Housing updates its End Our Cladding Scandal campaign ahead of the general election. The campaign calls for a national taskforce to prioritise the building safety work required after Grenfell and a building safety fund that could be used for any tower with serious safety issues, regardless of height.
Funding is currently restricted to buildings with aluminium composite material cladding above 18m only.
The minutes obtained by Inside Housing record a meeting between representatives of London boroughs and government officials held in September.
“There are 12,000 existing buildings over 18m… should we lower the building height to 11m, the number will go up to over 100,000,” they read.
Paul Bussey, CDM and fire lead at AHMM Architects and a member of the expert panel on fire safety at the Royal Institute of British Architects, said: “There are people who are gaming the system by limiting buildings to six storeys.
“We are pretty convinced [at RIBA] that the combustibles ban should come down to 11m, if not all buildings. Why put combustible cladding on any building?”
Jonathan O’Neill, managing director at the Fire Protection Association, said he had also heard about the practice of designing below 18m to avoid the ban.
He added that the system should be reformed to prioritise safety based on risk – such as the number of occupants and their vulnerability – rather than simply height.
“If you take the Crewe care home fire [Beechmere Care Home], there were 120 elderly residents present. There is no way any height parameter would have applied to that building,” he said.
One other industry source said that if the threshold was not reduced, the effect of the post-Grenfell regulations would simply be “a new generation of buildings narrowly below 18m in height”.
Inside Housing’s End Our Cladding Scandal campaign, run in partnership with leaseholders of affected buildings, calls on the next government to take control of the cladding crisis at a national level.
It is supported by Grenfell United, the Fire Brigades Union, the National Housing Federation, the Chartered Institute of Housing and many others.
The Ministry of Housing, Communities and Local Government was unable to comment because of the election.
The Conservative Party did not respond to requests for comment.
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The next government must: