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Trusted Plumbing & Heating Services in St Helens
Established in St Helens, STH Plumbing & Heating has built a reputation for delivering high-quality plumbing and heating solutions across North West England. Our Gas Safe registered engineers (registration number 539111) specialise in boiler installations, central heating systems, and bespoke bathroom designs, combining technical expertise with a commitment to customer satisfaction. With over 15 years of experience in the industry, we are Vaillant approved boiler installers, offering 7-10 year warranties on their systems and a 12-month guarantee on all workmanship.Our services extend to emergency plumbing repairs, disabled-adapted bathrooms, and wet room installations, ensuring we meet diverse client needs. As a Which? Trusted Trader, we adhere to rigorous standards of reliability and transparency, with a clear complaints procedure managed internally or through the Dispute Resolution Ombudsman when necessary. Our team prioritises prompt, professional service, including same-day emergency call-outs, while maintaining competitive pricing for both residential and commercial clients.
Services
Central heating installations
Boiler installations
Bespoke bathrooms
Disabled adaptation bathrooms
Wet room bathrooms
Home improvements
Emergency plumbing
Bathroom lighting
Radiator replacements
Power flushing
Highlights and features
- We are Gas Safe registered engineers with registration number 539111
- Vaillant approved boiler installers offering 7-10 year warranties
- Which? Trusted Trader with a formal complaints resolution process
- 15+ years of experience in bespoke bathroom and heating installations
- Same-day emergency call-out service available
Associations and certifications
- Gas Safe Register
- Which? Trusted Traders
- Vaillant Approved Installer
Services
Central heating installations
We design and install complete central heating systems including combi boilers, system boilers, and underfloor heating. Our engineers ensure efficient, long-lasting solutions tailored to property requirements while maintaining compliance with safety standards. All installations come with manufacturer warranties and our 12-month workmanship guarantee.
Boiler installations
Specialising in boiler replacements and installations, we offer Vaillant systems with extended warranties. Our engineers handle all types including conventional, system, and combi boilers, ensuring optimal performance. We also provide servicing and emergency repair options for existing systems across residential and commercial properties.
Bespoke bathrooms
Our team creates tailored bathroom designs with over 15 years of experience in installations. We offer complete design consultation, disabled-adapted solutions, and wet room conversions. All projects include expert plumbing, tiling, and lighting to meet individual client specifications and accessibility requirements.
Emergency plumbing
Available for same-day emergency call-outs, we address critical issues like burst pipes, boiler failures, and leaks. Our Gas Safe engineers provide rapid diagnostics and repairs to minimise property damage. This service operates across St Helens and surrounding areas during standard working hours.
Wet room bathrooms
We specialise in wet room installations featuring level-access showers and waterproof flooring. These designs suit modern homes and disabled-adapted requirements, incorporating anti-slip surfaces and grab rails. Our installations comply with current building regulations and include full plumbing and drainage solutions.
Questions
Do you offer emergency plumbing services?
Yes, we provide free emergency call-outs with engineers available the same day for urgent plumbing issues in St Helens and surrounding areas.
Are your engineers Gas Safe registered?
Yes, all our plumbers are Gas Safe registered (registration number 539111) and qualified to work on all gas-related installations and repairs.
What areas do you serve?
We operate throughout St Helens and the wider North West England region, covering both residential and commercial properties.
Are you a Which? Trusted Trader?
Yes, we hold Which? Trusted Trader status and follow their approved complaints procedure for customer satisfaction.
Do you install Vaillant boilers?
As Vaillant approved installers, we offer their boiler systems with 7-10 year warranties and include a 12-month guarantee on our workmanship.
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