Get Your Boiler Replacement Quotation

Two minutes is all it takes to find out how much your boiler replacement will cost and you can purchase online.

Welcome to ST Boiler Services

As Gas Safe registered Installers with many years experience in the industry all our work is carried out to the highest possible standard for both domestic and business clients.

We supply a high quality service unmatched by our competitors to ensure that your needs are met promptly, with the minimum of fuss and in the quickest possible time.

How it Works

Easy as 1 - 2 - 3

Answer a few easy questions about your current boiler set up and we'll recommend the perfect replacement. We only install the best boilers in the marketplace. Once you have found the boiler you want you can buy online and we'll do the rest.

1. Answer a Few Easy Questions

Tell us a little about your home and your existing boiler. Nothing too complicated.

2. Choose Your Boiler and Extended Warranty

We have an excellent choice of boilers and a fantastic 10 year warranty offer as on some boilers.

3. You Can Leave The Rest To Us

Choose your installation day but don't worry one of the team will make contact to make sure everything is OK.

Our Featured Boilers

Greenstar 8000 Combi

Worcester 8000 Life Combi Boiler

The top of the range Greenstar 8000 Life is a stunning, design-led boiler for the heart of your home without any compromise on quality or performance.

Available with a choice of outputs, these top of the range combi boilers have been designed to deliver the highest levels of heating comfort for your home.

Vaillant ecoTEC Plus Combi Boiler

Vaillant eco-TEC Plus Combi Boiler

Every home is different. 

The ecoTEC plus combi boiler range, with its choice of heating outputs, is so flexible it can meet the demands of a whole range of homes and different lifestyles.

That’s why it’s Vaillant’s flagship boiler.

Glow-worm Ultimate Combi Boiler

Glow-worm Ultimate Combi Boiler

The Ultimate3 combi boiler provides central heating and hot water.

The Ultimate3 combi is available in a choice of 30kW and 35kW models and features high DHW flow rates, flexible flue options and an aluminium heat exchanger for proven reliability and performance.

Worcester Ri Regular Boiler

The Greenstar Ri boiler is a compact, wall mounted boiler that is perfect for small and medium sized homes. 

It is also perfect for replacing a boiler in an existing system and it is small enough to be installed in a standard kitchen cupboard. 

Vaillant eco-TEC Plus Regular Boiler

Vaillant eco-TEC Plus Regular Boiler

Every home is different. But the ecoTEC plus open vent boiler, with its range of heating outputs, is so flexible it can meet the demands of a whole range of homes and different lifestyles.

It’s cupboard-size compact and has a rear flue option available to give you more choice where you put it.

Worcester 4000 System Boiler

The Greenstar 4000 is perfect for small to medium sized homes with one bathroom, it features a modern new design, an easy to use full colour text display and it’s quiet too.

The Greenstar 4000 has a wide power range to meet all of your heating and hot water needs, whilst doing so efficiently.

Vaillant eco-TEC Pure System Boiler

Vaillant eco-TEC Plus System Boiler

Vaillant’s goal is always outstanding performance: low energy consumption for hot water and central heating – and lower fuel bills for you.

The eco-TEC plus is smart: when it knows you don’t need as much heating power, it can drop to using 16% of its maximum power saving on fuel and money.

Finance Type Interest Bearing
Purchase Price £0.00
Select Deposit
Select Loan Term

Amout of credit




Total payable


Interest (fixed)