
Boiler Installations
As Gas Safe contractors and Vaillant Advance Installers, we are your competent and fair resource for new boiler supply and fitting. We ensure everything meets the highest standard to improve the longevity of your boiler, with up to 10 years warranty on selected Vaillant boilers.
James Plumbing & Heating is a Vaillant Advance Installer, meaning customers can receive up to 10 years warranty on selected new Vaillant boilers. As Gas Safe registered contractors, they supply, fit, and service all major boiler brands across Twickenham and surrounding areas.
What We Offer
Our comprehensive boilers services cover everything you need.
Why Choose Us for Boiler Installations
As Gas Safe contractors and Vaillant Advance Installers, we are your competent and fair resource for new boiler supply and fitting. We ensure everything meets the highest standard to improve the longevity of your boiler, with up to 10 years warranty on selected Vaillant boilers.
All work is carried out by Gas Safe registered engineers who hold City & Guilds qualifications. We are fully insured with public liability cover and provide insurance-backed warranties through Simply Business, giving you complete peace of mind.
Based in Twickenham, we serve homes and businesses across West London, South West London, Surrey, and Berkshire. We offer free, no-obligation quotes on all work and pride ourselves on transparent, competitive pricing with no hidden charges.

Frequently Asked Questions
Common questions about our boilers services.
How much does a new boiler cost?
Boiler costs vary depending on the type and model. We provide free, no-obligation quotes and can advise on the best boiler for your property and budget. As Vaillant Advance Installers, we can offer competitive pricing on Vaillant boilers with extended warranties.
What warranty do you offer on new boilers?
As a Vaillant Advance Installer, we can offer up to 10 years warranty on selected new Vaillant boilers. All installations also come with our own insurance-backed warranty through Simply Business.
How long does a boiler installation take?
A straightforward like-for-like boiler replacement typically takes one day. More complex installations, such as relocating the boiler or converting from a conventional to a combi system, may take 2-3 days.
Do you remove and dispose of old boilers?
Yes, we handle the full process including disconnecting and removing your old boiler, installing the new one, and disposing of the old unit responsibly.
Which boiler brands do you install?
We install all major boiler brands. As Vaillant Advance Installers, we particularly recommend Vaillant for their reliability and the extended warranty we can offer. We are happy to discuss the best option for your needs.
Need Boiler Installations? Get in Touch
Contact us today for a free, no-obligation quote. Our Gas Safe registered engineers are ready to help with all your boilers needs.
Our Other Services
Explore the full range of plumbing and heating services we offer.



