How much does it cost to flush a toilet and can the type of toilet you have impact your water bill?

A wall hung toilet in a bathroom with modern grey tiles
(Image credit: Sanctuary Bathrooms)

With household bills skyrocketing the question 'how much does it cost to flush a toilet' will no doubt have crossed your mind. 

The average annual UK water bill is said to have risen by 7.5% from April 2022 to April 2023, but how much does the simple act of flushing a toilet impact your water bill each time nature calls? 

Gabriella Dyson
Assistant Editor

Gabriella is Homebuilding & Renovating's Assistant Editor. She is a DIY enthusiast and a lover of all things interior design. She’s spent the past decade crafting copy for regional publications, award-winning architects, and leading UK homeware brands. 

She has a particular passion for historic buildings and listed properties, and she is currently in the process of renovating a Grade II-listed Victorian coach house in the West Country. At Homebuilding & Renovating Magazine, Gabriella is responsible for curating the magazine's home case studies and regularly contributes to the Homebuilding website.