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Last month a leaked report revealed a catalogue of construction failures at Grenfell Tower that contributed to the spread of the fire and hindered escape by residents. Prepared for the Metropolitan Police by BRE Global, failings included cavity barriers too small to seal the ventilation gap within the cladding system and gaps between the window frames and concrete columns of the building filled with flammable materials; both would have contributed to the fire spread. The report also found that nearly half the fire door closers above the fourth floor were either missing or not working, allowing smoke to spread from the flats into the stairwell, the only means of escape for residents.

Kensington and Chelsea council鈥檚 building control department carried out 16 inspections during the 2016 refurbishment to ensure that the works were complying with regulations. For reasons unknown they did not pick up on these building regulation breaches. 

Concerns over the way that building control functions prompted Dame Judith Hackitt to identify a range of problems in her interim report into the disaster, released in December 2017. These include work starting on projects before the designs have been signed off as compliant by building control, inadequate documentation detailing the as-built status of projects, and the need for greater liaison with fire and rescue services. Hackitt also identified a perception that private approved inspectors are less independent than local authority building control officers,

Hackitt also questioned the use of desktop studies, in which variations in the cladding specification from a full-scale fire test are modelled and signed off as safe by building control without laboratory testing. 

So is the building control system broken and how can it be fixed?

Falling standards?

A fundamental concern is that competition has driven standards down. Since 1985 clients have been able to choose between building control services provided by the local authority or private companies known as approved inspectors. Both charge fees for their services. Barry Turner, the director of technical policy at Local Authority 好色先生TV Control (LABC), the organisation that represents council building control departments across England and Wales, concedes that competition was initially a good thing but says the long-term impact has not been helpful. 

鈥淭hese days building control is commodity-driven, primarily by the industry as it wants cost-effectiveness. The levels of fees have come down across the board and our members are under pressure to deliver income from their financial managers,鈥� he says.

Lower fee income translates into fewer inspections, which means work that does not comply with the regulations is less likely to be picked up. If scrutiny is to be increased in the wake of Grenfell, this will inevitably mean higher costs. It is a legal requirement for local authority building control to be self-financing, so an increased number of inspections will push up the fees for local authority inspections as well as approved inspectors鈥� fees. 

鈥淚f more inspections are needed it鈥檚 only going to drive costs up [in construction projects],鈥� says Paul Timmins, managing director of Approved Inspector Services and vice-chair of professional body of the Association of Consultant Approved Inspectors (ACAI). 

Questions over independence

Timmins disagrees with Hackitt鈥檚 contention that approved inspectors are less independent than local authorities. 鈥淵ou have to pay local authorities, which isn鈥檛 that dissimilar from approved inspectors,鈥� he says. He points out there is a potential conflict of interest when a local authority building control department provides building control services on its own projects. He adds the ACAI has received very few complaints about the independence of approved inspectors.

Approved inspectors meanwhile complain that building control service providers do not enjoy a level playing field. Unlike local authorities, approved inspectors cannot take enforcement action against clients whose work does not comply with building regulations and who refuse to put it right. Instead they have to refer cases to local authorities for action.

Approved inspectors are also governed by different regulations defining their functions, independence and proceedures. They are regulated by a subsidiary of the Construction Industry Council, CICAIR, which keeps a register of approved inspectors and approves those who want to join. Requirements include formal qualifications and experience, and successful applicants need to be audited every five years. Applicants are required to fill in a knowledge base matrix detailing their knowledge of building regulations and their experience with different buildings elements. Approved inspectors complain that these requirements do not apply to local authorities.

For its part LABC complains that approved inspectors are drawn from the ranks of local authority building control, which has borne the costs of training. It also says its inspectors are audited. 鈥淭here are stringent audit procedures for local authorities,鈥� points out Turner. 鈥淭here is an elected portfolio member who has responsibility for building control and the public has a complaints procedure to follow and ultimately can go to the local authority ombudsman. That doesn鈥檛 happen with approved inspectors.鈥�

鈥淭hese days building control is commodity-driven, primarily by the industry as it wants cost-effectiveness鈥�

Barry Turner, LABC

Proposals for a single regulator

In its response to the Hackitt review, the ACAI is proposing a single body that regulates all building control bodies with a common set of rules covering competency, licensing and code of conduct. It has also proposed that existing rules on independence applying to approved inspectors are updated with the 好色先生TV Control Alliance鈥檚 definition of impartiality.

鈥淭his [a single regulatory body] would address the concerns over differences in competence and competition by setting one set of standards and regulations,鈥� explains Diane Marshall, NHBC head of technical services. NHBC, which is the largest approved inspector in the UK, is recommending that CICAIR鈥檚 remit be extended to cover local authorities.

The ACAI is also proposing an independent enforcement body to which building control bodies can refer serious breaches of building regulations. NHBC goes further and has suggested to 好色先生TV that this role could be taken on by an existing body such as the Health and Safety Executive or Trading Standards or a new body could be created.

LABC鈥檚 Turner sounds a note of caution on these proposals. He says there is nothing wrong with the current enforcement regime procedure; rather, the problem is the cost. A survey of LABC members showed it costs local authorities an average of 拢10,000-拢12,000 to take an offender to court but the average costs awarded against those found guilty is less than 拢1,000 while the fine is usually less than 拢5,000 鈥� which would go into central government coffers anyway. 

鈥淲e calculate the average saving to perpetrators was in the region of 拢12,000,鈥� Turner explains. 鈥淚t鈥檚 actually cheaper to go to court and pay the fine and costs rather than put the job right. The court does have the powers to get the jobs put right, but these are never used.鈥� Turner says shifting enforcement to a dedicated body is pointless unless it provides a more effective enforcement regime.

Other proposals backed by the ACAI include the creation of an appointed person who oversees the information flow on jobs and is responsible for compliance with building regulations. LABC says there are also discussions around the idea of setting up a system similar to that employed under the Construction (Design and Management) Regulations, whereby a duty holder is appointed to take responsibility for each stage of the job 鈥� this includes the client, the designer and contractor.  

NHBC is behind a proposal to make it obligatory to obtain approval of designs before work starts. It concedes this could add upfront costs, although Marshall says the overall impact could be cost-neutral. 鈥淭hese costs would be offset by greater design certainty and efficiencies in the construction process bought about by less waste and streamlined construction to an agreed design,鈥� she says.

鈥淸Having a single regulatory body] would address the concerns over differences in competence and competition by setting one set of standards and regulations鈥�

Diane Marshall, NHBC 

Step change in attitudes

On one thing, building control professionals all agree: there needs to be a step change in attitudes towards the role of building control and the benefits it brings the industry. 

Turner welcomes the increased scrutiny of building control. He says LABC members are reporting a greater understanding and awareness of building control by councillors in local authorities, which will help budget holders in local authorities to appreciate the need for more resources.

A second area of agreement is the obligation upon the wider industry to ensure buildings are constructed to an acceptable standard and are safe. 鈥淭here needs to be a cultural shift in attitudes towards responsibility,鈥� says Martin Conlon, the chair of RICS building control professional group. 鈥淔or too long people have said it鈥檚 the responsibility of building control [to make sure jobs are compliant]; instead the responsibility lies with the people doing the work.鈥� 

Although it remains to be seen what Hackitt鈥檚 final report recommends, it represents an opportunity to finally address the issues that have bedevilled the building control sector since long before Grenfell.