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Plasterers insurance · Trowbridge

Plasterers insurance in Trowbridge

Reviewed by Matthew Bartlett, Director, Apex Insurance Brokers Limited · Published 3 August 2026

Plastering is a hands-on, in-the-property trade, and that is exactly where the insurance exposure sits. Wet plaster, water, dust and mess in someone else’s home or occupied premises, tools and materials that walk from a van overnight, part-finished work that a storm or a burst pipe can ruin, and — where you take on external rendering — a whole extra layer of specification and fire questions from underwriters. Across Trowbridge, plasterers work through a market town of retail units, professional-services offices, public-sector buildings, light-industrial premises and live construction sites. Apex arranges cover that reflects how the trade actually works, placed by a named broker who will present your risk properly to insurers who understand it.

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Key covers for plasterers

Trowbridge properties and sites, Trowbridge risks

Trowbridge is a working market town, and a plasterer’s week here moves between very different environments — each one changing the risk an underwriter is pricing.

Weather, access and materials

Wet weather and external render. External rendering in the South West has to contend with driven rain, and fresh render that is rained on before it has set is contract-works exposure — the finish can be washed or streaked and need stripping back. Timing, protection and the render system all matter, and it is worth having the cover reflect that you take rendering on.

Access in occupied premises. Much of the work in and around Trowbridge is inside homes, shops and offices that stay in use. Sheeting up, protecting floors and controlling dust are the day-to-day defences against a liability claim, and how you manage them feeds directly into your risk profile.

Materials and water. Plastering is a wet trade — bagged gypsum and lime, mixers, buckets and constant water use in finished rooms. Spilt water and slurry cause a large share of claims, and stored bagged materials are vulnerable to both theft and damp before they are ever used.

Compliance considerations for plasterers

Employers’ liability is a legal requirement the moment you take on staff or labour-only sub-contractors working under your direction.

Work at Height duties where you use stilts, hop-ups, towers or scaffold for ceilings and higher external elevations.

Silica dust (RCS) control under COSHH — mixing, sanding and cutting board generate respirable dust that has to be managed for you and anyone else in the property.

Render and EWI system specification — underwriters increasingly ask which system you apply and how fire is addressed, particularly on external wall insulation.

CDM 2015 duties on larger contracts, where you may carry contractor responsibilities on site.

What can go wrong

Water and plaster slurry damage a client’s finished floor, carpet or fitted units in an occupied home — public liability responds, subject to policy terms.

Dust from mixing or sanding spreads through a house or office and damages contents or equipment — public liability territory.

A member of the public or a client’s staff slips on wet materials in a shop or office being refurbished around them — public liability responds.

Rain hits fresh external render before it cures and it has to be stripped and re-done — contract works cover.

An employee is injured mixing, lifting bagged materials or working from stilts — employers’ liability responds; RIDDOR/HSE involvement possible.

Tools, a mixer or a van-load of materials are stolen overnight — tools and materials cover, subject to security conditions.

Frequently asked

What does public liability actually cover for a plasterer?
The everyday risks of working inside someone’s property — water and plaster damage to floors and finishes, dust spreading through the room, or a slip on wet materials. It is the cover that responds when your work accidentally damages a client’s property or injures someone, subject to the policy wording.
I do external rendering and EWI — does that change my insurance?
Yes. Underwriters treat external render and insulated render / external wall insulation differently from internal skimming, and they will ask about the system you apply and how fire is addressed. Tell us at the outset so the cover matches the work you actually take on.
Are my tools and materials covered if stolen from the van?
They can be — theft of tools, mixers and bagged materials from site, van or lock-up is insurable, subject to the underwriter’s view of security and overnight storage. Leaving tools in the van overnight is usually where conditions apply.
Do I need employers’ liability if I only use the odd labourer?
Almost certainly. Employers’ liability is legally required if you employ anyone, and that includes labour-only sub-contractors and mixers working under your control — not just people on your payroll.
What happens if fresh render is ruined before it is finished?
Damage to your work in progress — for example fresh external render washed out by rain before it cures — is what contract works cover is for, up to the sum insured and subject to the policy terms.

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Apex Insurance Brokers Limited is authorised and regulated by the Financial Conduct Authority. Firm reference number 724952. Registered in England and Wales, company number 07014570. Trading address: QCS, 53 Queen Charlotte Street, Bristol BS1 4HQ · Serving tradespeople in Trowbridge and the wider region. This page is general information about commercial insurance and is not advice tailored to any individual business. Cover and terms are subject to underwriter assessment and the policy wording.
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Related reading: Builders' insurance · Employers' liability insurance explained · Public liability insurance explained
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