Question 1

Are toilets legally required on construction sites?

Accepted Answer

Yes. Construction sites must provide suitable welfare facilities, including toilets and washing facilities, under the Construction (Design and Management) Regulations 2015.

Question 2

How many toilets are needed for 10 workers?

Accepted Answer

A common guideline is one toilet per seven workers. For 10 workers, two toilets would typically be appropriate.

Question 3

How many toilets are needed for 20 workers?

Accepted Answer

For a workforce of around 20 people, three toilets would generally be recommended when using portable units serviced weekly.

Question 4

What welfare facilities are required under CDM regulations?

Accepted Answer

CDM welfare requirements typically include toilets, washing facilities, drinking water, rest areas and, where necessary, changing facilitie

Question 5

Can portable toilets be used on construction sites?

Accepted Answer

Yes. Portable toilets are commonly used where permanent drainage and water connections are unavailable.

Question 6

How often should site toilets be serviced?

Accepted Answer

Most portable toilets are serviced weekly, although high-usage sites may require more frequent cleaning and waste removal.

Category Guides & Advice

Construction Site Toilet Requirements in the UK: What Builders Need to Know

Areas We Cover