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What is a welfare unit and do I need one for my construction site?

Welfare units are one of those things that many site managers have heard of but aren't always sure exactly what they include or when they're legally required. This guide explains everything you need to know.
By Loo Managed·5 min read

What is a welfare unit?

A welfare unit is a self-contained portable cabin that provides all the welfare facilities your site workers need in one place. Unlike a standalone portable toilet, a welfare unit typically includes a toilet, a handwashing area with hot and cold water, a canteen or rest area with seating, a microwave and kettle, and a drying room for wet weather clothing.

They're delivered to your site on a lorry or towed by a vehicle, positioned where you need them, and then serviced regularly throughout your project. Most are self-contained with their own water and waste tanks, so they don't need mains connections — though mains connection is possible for longer term installations.

What's typically included in a welfare unit?

FacilityWhat's provided
ToiletFlush toilet with running water, toilet paper and hand sanitiser
HandwashingHot and cold running water, soap dispenser, paper towels or hand dryer
Rest areaSeating for the number of workers, table, heating and lighting
Canteen facilitiesMicrowave, kettle, sink with running water for food preparation
Drying roomHeated area or rails for drying wet work clothing and PPE

When is a welfare unit legally required?

The CDM Regulations 2015 require all construction sites to provide adequate welfare facilities. A standalone portable toilet covers the toilet requirement, but the regulations also require rest facilities, eating facilities, handwashing facilities and changing/drying facilities.

For small, short-duration projects near existing facilities, it may be possible to meet these requirements without a full welfare unit. But for most construction projects of any significant size or duration, a welfare unit is the practical solution that meets all requirements in one.

Our strong recommendation is: if your project involves more than a handful of workers, lasts more than a few days, and doesn't have easy access to existing canteen and washing facilities nearby — get a welfare unit. It protects you legally and genuinely makes a difference to your workers' wellbeing and productivity.

How much does a welfare unit hire cost?

Welfare unit hire typically costs between £120 and £200 per week depending on size, location and supplier. This includes weekly servicing — waste emptying, cleaning and restocking. Delivery and collection charges apply and vary by distance.

Get in touch with Loo Managed for a free quote specific to your site — we'll find the best option from our supplier network and confirm pricing with no hidden charges.

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