In the world of construction, compliance is non-negotiable. Every extension, new build, or refurbishment project in the UK must meet a strict set of legal standards known as building regulations. But with legislation continuously evolving, who ensures that projects remain compliant from start to finish?
Enter the Registered Building Control Approver—or RBCA. In 2025, the role of an RBCA is more critical than ever, offering vital oversight, guidance, and peace of mind for developers, architects, and homeowners alike. But what exactly do they do, and how do they differ from local authorities? Let’s break it down.
What Is a Registered Building Control Approver?
A Registered Building Control Approver (RBCA) is a private sector organisation authorised by the Building Safety Regulator (BSR) to carry out building control functions across England and Wales. Previously known as Approved Inspectors, these professionals became RBCAs following recent reforms designed to improve accountability and clarity within the construction industry.
Unlike local authority building control departments, RBCAs are independent and commercially operated but must meet high standards of competence, professional conduct, and quality control. This includes having qualified personnel, sufficient insurance, and robust management systems, such as ISO 9001.
What Does an RBCA Do?
An RBCA oversees every phase of a construction project to ensure compliance with building regulations. Their responsibilities include reviewing architectural plans, inspecting work at key stages, providing technical advice, and issuing final compliance certificates.
The aim is to protect public health and safety, support sustainability, and ensure that buildings are structurally sound, accessible, and energy efficient. Without the involvement of a competent building control professional, even minor oversights can lead to legal challenges, costly rework, or unsafe outcomes.
How Do RBCAs Differ from Local Authorities?
RBCAs and local authorities are responsible for building control, but they operate differently. One of the main distinctions is that RBCAs are privately appointed, meaning clients can choose who they work with. This introduces flexibility and the opportunity to build ongoing relationships across multiple projects.
Many developers prefer RBCAs for their commercial mindset, client-focused service, and often quicker turnaround times. While local authorities follow a standardised approach within their boroughs, RBCAs may offer tailored services, faster communication, or specialist expertise. Importantly, both bodies must apply the same regulations—so the level of scrutiny is equally rigorous.
When Should You Involve a Building Control Approver?
One of the biggest mistakes in construction planning is leaving building control too late. Ideally, you should appoint an RBCA as early as the design phase. Early involvement allows your plans to be reviewed for compliance before the building starts, preventing issues later.
Working with an RBCA from the outset also enables smoother collaboration, efficient inspections, and fewer delays. It ensures your team can adapt to any feedback on fire safety, structure, insulation, or ventilation in real time without affecting the build schedule.
Why Choosing the Right RBCA Matters
In 2025, with increasing pressure to meet sustainability goals, health and safety standards, and legal obligations, choosing the right building control partner is more critical than ever. A proactive RBCA doesn’t just help you tick regulatory boxes—it enables you to achieve compliance cost-effectively, timely, and stress-free.
The right provider brings expertise, accountability, and continuity from home extensions to high-rise developments. They stay current with the latest legislation and industry best practices, guiding you through a complex regulatory landscape.
Working with All Building Control
As a fully registered RBCA, All Building Control delivers professional building control services across England and Wales. Headquartered in London with additional offices in Leeds and Sussex, their experienced RICS-chartered professionals and Registered Building
Inspectors are trusted by developers, architects, and homeowners alike.
All Building Control is known for:
- Offering flexible, reliable site inspections.
- Providing detailed plan checks and proactive advice.
- Maintaining a bespoke project database for transparency.
- Operating to ISO 9001:2015 standards for quality assurance.
Whether renovating a townhouse in Kensington or managing a multi-storey development in the City, All Building Control provides the assurance and technical support you need to meet today’s demanding regulatory environment.
Get in Touch
Have a project coming up? Reach out to All Building Control to book an inspection or discuss how their team can support your build:
London Office: Old School Hall, Claylands Road, The Oval, London, SW8 1NZ
Leeds Office: Park House, 24 Park Square W, Leeds, LS1 2PW
London: 020 7205 4938
Leeds: 0113 208 2638
Email: contact@allbuildingcontrol.com
In 2025, choosing the right building control partner makes all the difference. With All Building Control, your project is in expert hands.
Stay updated with our latest projects and expert tips—follow us on Facebook and Instagram today!