Last updated for 2026 UK building control guidance.
A practical comparison of timescales, availability, and suitability when choosing a building control route.
Quick answer: which route is usually faster?
In many areas, private building control can allocate an inspector more quickly than local authority teams,
particularly for loft conversions, extensions, and time-sensitive projects. However, suitability depends on project type,
location, and availability at the time of appointment.
Background context:
Building Inspector Shortage in the UK
Choosing between council building control and private Approved Inspectors is no longer just an administrative decision.
With inspection capacity under pressure in many parts of the UK, the route you choose can directly affect when a project
is able to start and how smoothly it progresses.
What Is Council Building Control?
Council building control is provided by local authorities and has traditionally been the default route for many residential
and small commercial projects. Inspectors employed by the council assess work at key stages to ensure compliance with
Building Regulations.
While some councils continue to offer a responsive service, others are operating with reduced capacity due to staffing
constraints and increasing regulatory workloads.
What Is Private (Approved) Building Control?
Private building control is carried out by Approved Inspectors who are authorised to perform the same regulatory function
as local authorities on many types of projects.
These inspectors operate independently of councils and are commonly used by builders and developers who require
greater certainty around inspection availability and scheduling.
Council vs Private Building Control: Key Differences
- Availability: council availability varies by area; private inspectors may offer faster allocation in some regions.
- Flexibility: private routes can provide more flexibility around inspection dates and times.
- Consistency: builders working across multiple locations often find private control more predictable.
- Scope: not all project types are suitable for private building control.
Which Route Is Faster in Practice?
In practical terms, speed is determined less by regulation and more by capacity.
Where council teams are fully resourced, timescales can be comparable.
Where staffing is stretched, delays in allocation and inspection booking are more common.
Private building control is often chosen where start dates are fixed, labour is booked,
or delays would create knock-on costs.
When Private Building Control Is the Better Option
Private building control is commonly considered where:
- Projects need to start within a defined timeframe
- Builders are working across multiple council areas
- Loft conversions or extensions require predictable inspection stages
- Delays would result in material or labour inefficiencies
Common Myths About Private Building Control
A common misconception is that private building control is less rigorous.
In reality, Approved Inspectors must apply the same Building Regulations and are subject to professional oversight.
The difference is not the standard applied, but the operational structure and capacity behind the service.
Choosing the Right Route for Your Project
The most appropriate building control route depends on project type, location, and timing.
Understanding availability before fixing a start date is now an essential part of project planning.
In areas where council resources are constrained, exploring private options early can reduce uncertainty and
help projects move forward without unnecessary disruption.
Next step
Find private building control options by location:
Private Building Control Inspectors in Essex (coming next).