Construction Insurance UK: Types & Cover Explained

Overview

Construction insurance is an umbrella term for the range of policies arranged before and during building work to cover the specific risks that arise on a project. Unlike a single household policy, construction cover is usually made up of several separate products that sit alongside each other, each responding to a different type of loss.

Some policies cover the works themselves, meaning the physical building, materials on site, and sometimes temporary works. Others cover the people involved, including employees and members of the public who may be affected by the activity. A third group covers the professional judgement of designers and consultants whose decisions shape the project.

In the UK, one element, employer's liability insurance, is a legal requirement for most businesses with staff. The others are either required by the construction contract (for example, a JCT or NEC form), by a funder, or are bought because the risk is simply too large to carry personally. The right combination depends on the scale, value, and nature of the works.

Key steps

1. Identify who carries which risk under the contract. Standard construction contracts such as JCT and NEC allocate responsibility for insuring the works between the employer and the contractor. Before you arrange cover, read the relevant insurance clauses carefully so you know which party is expected to insure what, and whether joint names cover is required.
2. Match policies to the specific risks on your project. A straightforward refurbishment has different exposures to a new-build on a greenfield site or works to a listed building. Think about fire risk, neighbouring properties, site security, subcontractor use, and the value of materials on site, then choose limits and policy types that reflect those exposures rather than relying on defaults.
3. Check employer's liability is in place before anyone starts work. If you employ staff, employer's liability insurance is generally required by law, usually to a minimum statutory level. The certificate needs to be displayed or accessible to employees. Confirm subcontractors carry their own cover where appropriate, and keep copies on file.
4. Read the exclusions, conditions, and warranties in each policy. Construction policies commonly contain hot works warranties, security conditions, and exclusions for defective design or workmanship. Breach of a warranty can void cover entirely, so make sure site practice actually matches what the policy requires, and brief everyone on site accordingly.
5. Notify your insurer promptly if something goes wrong. Most policies require notification of incidents, claims, or circumstances that might lead to a claim within a defined period. Late notification is a frequent reason claims are declined. Keep a written record of what happened, photograph the scene where safe, and contact your broker or insurer as soon as possible.

Common questions