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Workers in hi-vis laying fibre ducting in a pavement trench behind barriers on a UK street, illustrating street works insurance

Street Works & Civils Insurance for Fibre Rollout UK

November 04, 2026

Published: 4 November 2026 | Reading time: 7 minutes | Category: Contractors | Author: John Miller, Miller & Partner

Last reviewed by John Miller, Director & Principal Broker — 4 November 2026
FS Register FRN 1029698 13+ years specialist commercial broking Lloyd's & specialist MGA market access Independent UK broker

Fibre rollout civils contractors need public liability with an underground services extension, employers' liability, contract works and plant cover, arranged with a market that understands excavation in the public highway. Digging footways and carriageways to lay duct and build chambers exposes you to strikes on gas, water, power and other telecoms apparatus, trips and falls by the public, reinstatement failures and damage to private driveways during drop installs. Many standard contractor policies restrict or heavily excess underground services damage, so the wording matters as much as the limit. Insurers will ask about your NRSWA-accredited operatives and supervisors, how you locate services before digging, who provides Chapter 8 traffic management, whether operatives enter chambers, and how much work you sublet, including any labour-only gangs who may count as employees for employers' liability. Main contractors on full-fibre programmes will check your cover before you start, so it pays to have the right policy in place first.

Need insurance for fibre street works?

Cover for duct, chamber and reinstatement crews. Get a quote online or speak to a specialist broker directly.

Key facts at a glance

  1. Underground services is the big exposure. Check for exclusions, sub-limits or high excesses on service strikes.
  2. NRSWA cards matter. Insurers and clients expect accredited operatives and supervisors on site.
  3. Reinstatement can come back. Defects may surface months after you leave the street.
  4. Plant needs its own section. Liability does not cover damage to your own or hired-in machines.
  5. Contracts set your limits. Main contractors and network operators commonly set minimum liability limits in their subcontract terms.

What does street works insurance for fibre rollout cover?

It is usually a contractors' combined policy built around excavation in the highway. Public liability and employers' liability form the core, with sections for contract works, own plant, hired-in plant and tools. The key detail is how the policy treats damage to underground services, which many standard wordings restrict.

For the wider sector, see our fibre and telecoms contractor insurance page.

CoverWhy it matters in street works
Public liabilityService strikes, trips into excavations, damage to drives and walls
Employers' liabilityInjury to operatives, including labour-only gangs
Contract worksDuct, chambers and materials damaged before handover
Own and hired-in plantMini diggers, saws, compactors and road plates

Do NRSWA accreditation and Chapter 8 affect insurance?

Yes. Under the New Roads and Street Works Act 1991, street works operatives and supervisors may need accreditation, and Chapter 8 sets the standard for signing, lighting and guarding. Insurers ask about both because they shape how often the public is hurt and how defensible a claim is.

Keep card numbers and expiry dates on file. Where operatives enter chambers or deep joint boxes, insurers may also ask how you manage the Confined Spaces Regulations 1997, so have your entry procedure and gas monitoring records ready. If traffic management is sublet, check the specialist's own liability cover and keep a copy, because a poorly guarded site can bring the claim back to you.

Who pays for reinstatement defects?

The cost of redoing your own defective reinstatement is usually a business cost rather than an insured loss. What liability cover may respond to is injury or damage caused by the defect, such as a pedestrian tripping on a sunken patch. Guarantee periods mean these claims can arrive long after completion.

Photograph finished reinstatements and keep inspection records. Good evidence is often what defends a trip claim on an old excavation.

What if a crew damages an underground service?

Damage to cables, pipes and ducts is normally a public liability claim, but many contractor policies apply an underground services exclusion, a sub-limit or a higher excess. Insurers also expect you to follow HSG47, using plans and CAT and Genny before and during excavation, and to record that you did.

Strike costs can include repair, the utility's charges and claims from businesses left without supply. Read the underground services clause before you sign, and if you have already had a strike, our guide to telecoms contractor insurance after a cable strike claim explains how to approach renewal.

Are trips, falls and driveway damage covered?

Injury to the public and accidental damage to their property normally fall under public liability, subject to the excess and terms. That includes trips around open excavations and damage to private driveways, block paving and walls during drop installs. Nuisance and disruption complaints without physical damage are usually not covered.

Underwriters look for:

  • Barriers, plates and lighting kept in place overnight
  • Pre-start photos of drives and frontages on drop installs
  • A clear process for logging and responding to complaints
  • Records showing who inspected each site and when

How should plant and contract works be insured?

Insure your own plant for theft and damage, and add hired-in plant cover because hire terms often make you responsible for the machine. Contract works protects duct, chambers and materials until handover. Liability cover does not pay for damage to equipment in your care, so these sections fill a real gap.

See our guides to hired-in plant insurance and contractors' all risks. If your teams also climb poles, our pole and overhead line worker guide covers the height side.

Frequently asked questions

Possibly, but check the underground services wording. Many policies exclude strikes where safe digging practice was not followed, or apply a sub-limit or higher excess.

Most will ask whether your operatives and supervisors hold street works accreditation where the work requires it. Clients usually require it too, so keep records current.

Accidental physical damage is usually covered under public liability, subject to the excess. Pre-start photos help separate new damage from existing wear.

Usually not. Rectifying your own workmanship is a business cost. Liability cover may respond to injury or damage the defect causes to others.

Very likely. Labour-only subcontractors under your direction are often treated as employees. Bona fide subcontractors should hold their own cover, and you should keep evidence of it.

Usually, through specialist and Lloyd's markets. Expect questions on what caused each strike and what you have changed, and possibly a higher excess.

Related guides from Miller & Partner

Digging for full-fibre? Tell us how your crews work and we will approach the markets that understand street works.

John Miller, Director and Principal Broker at Miller & Partner, specialist broker for fibre street works contractors
Written and reviewed by John Miller Director & Principal Broker, Miller & Partner Over 13 years of specialist commercial insurance experience, formerly with Brown & Brown and AXA. Places hard-to-place commercial risks through Lloyd's syndicates and specialist MGAs, including fibre civils, groundworks and telecoms contractors.
Our regulatory status Miller & Partner Limited (FRN 1029698) is an Appointed Representative of Gauntlet Risk Management Ltd (FRN 308081), which is authorised and regulated by the Financial Conduct Authority. Miller & Partner Limited is registered in England and Wales (company number 16206282) and trades from Vivian House, Roman Bridge Close, Mumbles, Swansea SA3 5BG. This article is general information, not a personal recommendation or an offer of cover. Cover is subject to insurer acceptance and the full terms, conditions and exclusions of the policy issued. Underground services terms vary by insurer, so check your own wording.
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About this article General information, not advice. Published for general guidance and drawing on external sources as well as our own experience. It is not a personal recommendation, a quotation, or an offer of cover, and it doesn't take account of your circumstances. Read more + Close −

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Our articles are compiled from a range of sources: regulators and public bodies such as the FCA, the Civil Aviation Authority, the Health and Safety Executive and Companies House; government publications and legislation; industry and trade bodies; insurer and market documentation; and published research and news reporting. Not everything stated originates from Miller & Partner. Where information comes from a third party we believe it to be accurate at the date of publication, but we haven't independently verified every external source and we don't warrant its accuracy or completeness. Where a point matters to a decision you're making, go to the original source and check it.

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Our regulatory status

Miller & Partner Ltd is an Appointed Representative of Gauntlet Risk Management Ltd, which is authorised and regulated by the Financial Conduct Authority (FRN 308081). Miller & Partner Ltd is entered on the FCA Register under reference 1029698. Registered in England and Wales, company number 16206282. Registered office: Vivian House, Roman Bridge Close, Mumbles, Swansea, SA3 5BG.

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Office: Vivian House, Roman Bridge Close, Mumbles, Swansea, SA3 5BG

Miller & Partner Ltd is an Appointed Representative of Gauntlet Risk Management Ltd, which is authorised and regulated by the Financial Conduct Authority (FRN 308081). Miller & Partner Ltd is entered on the Financial Services Register under firm reference number 1029698. You may check this on the Financial Services Register by visiting the FCA website at https://www.fca.org.uk/firms/financial-services-register or by contacting the FCA on 0800 111 6768. Miller & Partner Ltd is registered in England & Wales, company number 16206282. Registered office: 20 Vivian House, Roman Bridge Close, Swansea, SA3 5BG.