Trade Insurance Guide

Builder Insurance

Builder insurance is designed for general builders and small building firms that need more than a basic liability policy, especially where contract works, plant, materials and subcontractor exposure all sit within the same project.

  • Tailored for general builders who need liability, tools and contract works structured properly.
  • Useful for buyers comparing public liability limits, labour setup and day-to-day trade risks.
  • Broker support available on 0330 127 2333 if you want help choosing the right cover mix.
Tailored for general builders who need liability, tools and contract works structured properly. Useful for buyers comparing public liability limits, labour setup and day-to-day trade risks. Broker support available on 0330 127 2333 if you want help choosing the right cover mix.

Access to established UK insurer panels

Insure24 helps trades businesses compare suitable options across public liability, employers' liability, tools, contract works and wider trade risks.

  • Allianz
  • Aviva
  • QBE
  • RSA
  • Zurich
  • NIG
Overview

Builder Insurance

Builder insurance needs to reflect a broader mix of risks than many lighter trades because builders often manage several moving parts at once, including work in progress, materials on site, subcontractor use and wider third-party liability.

That is why many buyers compare builder insurance with subcontractor insurance, tools insurance for tradesmen and public liability insurance for tradesmen before choosing a final policy structure.

This page sits within the wider tradesman insurance section, but it goes deeper on the site-led risks, claims and cover sections that matter most to builders.

Key Covers

Public Liability

Important where structural work, site activity and subcontractor-led jobs create broader third-party damage exposure.

Contract Works

Useful where part-built works, materials and temporary works need protection before practical completion.

Tools, Plant & Equipment

Relevant where builders keep tools, plant or hired-in equipment on site between project stages.

Employers' Liability

Usually essential once staff, labour-only workers or wider site teams are involved.

Builder Insurance matters because one liability claim, one theft or one problem on site can interrupt work quickly and put pressure on cash flow, contracts and customer relationships.

Risk Examples

  • contract works exposure on active domestic and commercial sites
  • materials, plant and tools left on site between stages of the build
  • subcontractor management and wider site liability issues

Who this page is for

  • general builders
  • small building firms
  • renovation specialists
  • subcontractors
Work Types

Types of building work covered

Extensions and renovations

Extensions and renovation work often create a mix of property-damage exposure, contract works risk and public liability concerns on occupied premises.

New builds

New-build projects can involve larger materials values, longer project timelines and more site-based exposure before handover.

Structural work

Structural work can increase the insurer view of the risk because the potential severity of property damage and third-party claims is often higher.

Refurbishment and fit-out

Refurbishment work often combines property exposure, unfinished work and materials risk, particularly on commercial or occupied sites.

Contract Works

Contract works explained

Contract works cover is one of the most important sections for many builders because it protects work in progress, temporary works and site materials before the project is completed.

Without it, builders may be forced to pay for rework themselves if part-built works are damaged by fire, theft, vandalism or severe weather before handover.

  • part-built works
  • temporary works
  • site materials awaiting installation
  • loss before practical completion
Plant

Do builders need plant insurance?

Often yes. Builders frequently rely on owned plant, hired-in equipment or larger site tools, and those items can represent a major interruption risk if they are stolen or damaged.

Plant exposure can materially change both premium and policy structure, especially on larger or more specialist jobs.

Labour

Working with subcontractors

Subcontractor use is one of the biggest builder-insurance issues because labour-only and bona fide subcontractors can be treated differently by insurers. Clear disclosure matters because it affects both liability structure and the need for employers' liability.

Builders regularly move between this page and subcontractor insurance where labour setup is one of the main cover questions.

Claims

Builder insurance claims examples

Damage before completion (£40,000)

Partially completed works are damaged by fire or vandalism before handover, leaving the builder responsible for expensive rework.

Site theft (£8,000)

Tools, materials or smaller plant are stolen from an active site between project stages, delaying work and increasing replacement costs.

Subcontractor-led liability claim (£60,000)

An incident involving wider site activity and subcontracted labour creates a larger third-party injury or property-damage claim.

Related Cover

Compare relevant pages in this cluster

Buyers comparing this page with the wider tradesman insurance page can then move into Roofer Insurance and Groundworker Insurance to compare similar trade risks before choosing a policy structure.

If the main concern is the cover modifier rather than the trade alone, it is also worth reviewing Tools Insurance for Tradesmen so liability, tools, subcontractor or price-led questions are resolved in context.

Need help choosing the right mix of liability, tools and contract works?

Use the quote route if you already know the structure you need, or call if you want broker help comparing public liability, tools cover, subcontractor exposure and trade-specific pricing.

Pricing

How much does builder insurance cost?

The cost of builder insurance depends on contract values, labour setup, subcontractor use, tools and plant values, liability limits and whether the work is domestic, commercial or mixed.

Sole traders

£50+

Common where work at height, plant, excavation or larger site exposure changes the insurer view.

Small teams

£100+

Often higher when employees, labour-only workers or contract works are involved.

What shifts price

Risk-led

Site conditions, liability limits, plant values and past claims usually matter most.

  • Contract works values, materials left on site and subcontractor use are major pricing drivers.
  • Plant, hired-in equipment and larger domestic or commercial projects usually increase premiums.
  • Claims history and the scale of site activity often shape insurer appetite as much as turnover.
Why Choose Insure24?

Why choose Insure24?

Insure24 brings together UK commercial specialists with 20+ years of combined experience across trade and construction risks, access to leading insurers, and practical broker support shaped around how each trade really operates.

  • 20+ years of combined commercial insurance experience across trade and site-based risks.
  • UK commercial specialists who understand liability, tools, labour and contract works issues.
  • Access to leading insurers and broker-led help matching cover to real work activities.
Compare Options

Comparison intent buyers often search for

Builder Insurance vs tradesman insurance

Builder Insurance is more specific than the main tradesman insurance page and goes deeper on the risks, pricing factors and cover sections that matter most to general builders.

Specialist policy vs public liability only

Public liability is often the core section, but many buyers also need tools cover, contract works, stock, plant or employers' liability depending on how the business operates.

Liability plus tools?

For many trades, the practical buying question is not whether liability matters, but whether a theft, damaged kit or unfinished work would also create a serious interruption risk.

Why it matters

Builder Insurance matters because one liability claim, one theft or one problem on site can interrupt work quickly and put pressure on cash flow, contracts and customer relationships.

Claims examples

  • materials or partially completed works are damaged before handover
  • tools and plant are stolen from an active site
  • a subcontractor-related incident triggers a liability claim

Explore related tradesman insurance pages

Use these links to move between the main tradesman insurance page, related trade pages and supporting commercial pages that help you compare the right cover structure.

Related Links

Useful next steps

FAQ

Builder Insurance FAQs

What does builder insurance usually cover?

Builder insurance can include public liability, employers' liability, tools and plant, stock and materials, contract works and other sections depending on the jobs undertaken.

Do builders need contract works cover?

Often yes, especially where part-built works, temporary works or site materials would need to be replaced after a fire, theft or vandalism event.

Can builder insurance include plant and hired-in equipment?

Yes. Owned or hired-in plant can often be added where the business relies on equipment on active sites.

How does subcontractor use affect builder insurance?

Labour-only and bona fide subcontractors can be treated differently by insurers, so the labour structure should be declared clearly when seeking terms.

How quickly can I get a builder insurance quote?

Use the Insure24 quote route or call 0330 127 2333 and we can review your work profile and likely cover structure.

Get a quote

Contact Insure24 to compare cover that matches the work profile, the tools and materials at risk, and the liability requirements that matter to this business.