How to get started with us
Call us and tell us what's wrong
You let us know what's happening, what is urgent, and what outcome you want. We listen properly and point you towards the right next step.
We assess the job clearly
We look at the issue, explain your options, and give you a straightforward quote where needed. You get honest advice without any waffle.
A local team that knows what matters at home
Cold radiators, a boiler playing up, or a bathroom that no longer works for your day can turn a normal week into hard work. We started STH Plumbing & Heating Ltd in 2008 because homes need practical help from people who turn up, solve problems, and do the job properly.
We bring Gas Safe standards, heating know-how, and bathroom design experience together under one roof, so you don't have to juggle different trades. From small plumbing faults to full heating and bathroom projects in St Helens, we focus on work that lasts and service that feels straightforward.
Our range of expertise
What our clients say about us
Chris and his team have been to fit a leaking soil pipe and fit a new boiler and radiators for us. Their work was professional, honest and completed to our satisfaction. Chris was more than helpful with any questions we had. There were complications whilst fitting the central heating system, which made the task a lot more demanding. Chris also received some personal bad news on this date, and yet he stayed and completed the job in a professional and calm manner. We will definitely recommend.
Removed my old cooker and fitted a new one; he did the job around the delivery times, which was really helpful. Didn't cost a fortune either. Really pleased with the work. I would certainly recommend them.
Help that makes the whole job feel simpler
When your boiler breaks down, or your bathroom stops working for your household, you need clear answers more than sales talk. We handle everything from central heating repairs to bathrooms, and STH Plumbing & Heating Ltd keeps the process steady from first call to finished job.
Our Vaillant-approved installation work gives you access to strong manufacturer warranties, while our boiler servicing and repair work helps protect your system year-round. We also work across St Helens and the surrounding areas, including Prescot, Widnes, Huyton and Warrington, which means local support when speed really matters.
What sets us apart
12-month workmanship guarantee included
Added reassurance that completed work is backed by a full year of workmanship cover.
​7- and 10-year manufacturer warranties
Long-term warranty options are available on selected installations and products.
Fast response from local engineers
Local professionals are ready to provide prompt support when issues need attention quickly.