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Trusted Gas Safe Plumbing & Heating Services in Royston
H2O Gas Heating & Plumbing is a family-run business dedicated to delivering professional and reliable plumbing and heating solutions across Royston and surrounding counties. Established with a commitment to quality, we employ Gas Safe registered engineers who adhere to the highest industry standards, ensuring all installations and repairs comply with current regulations. Our team holds specialist qualifications, including G3 certification for unvented hot water systems and WRAS approval, alongside membership in the Chartered Institute of Plumbing and Heating Engineering. As Worcester Accredited Installers, we offer extended guarantees of up to 12 years on boiler installations, reflecting our confidence in workmanship and customer care. We specialise in boiler installations, servicing, and repairs, central heating systems, and general plumbing, prioritising energy efficiency and cost-effective solutions.

Our engineers provide free, no-obligation quotes and 24/7 emergency services, ensuring accessibility for urgent needs. With expertise in natural gas, LPG, and renewable energy systems, we combine technical proficiency with a customer-centric approach. Our reputation is built on transparency, reliability, and adherence to safety protocols, including annual boiler servicing to prevent carbon monoxide leaks. Serving residential and commercial clients in Hertfordshire, Cambridgeshire, Essex, and Bedfordshire, we remain committed to maintaining trust through consistent service excellence.
Services
Boiler Installations Boiler Servicing Boiler Repairs Bathroom Installations General Plumbing
Highlights and features
  • We are Gas Safe registered for safety and compliance.
  • Worcester Accredited with extended 12-year boiler guarantees.
  • 24/7 emergency services for urgent plumbing and heating needs.
  • Free, no-obligation quotes for all installation and repair work.
  • Specialist G3 qualification for unvented hot water systems.
Associations and certifications
  • Gas Safe Register
  • Chartered Institute of Plumbing and Heating Engineering
  • Worcester Accredited Installer
  • WRAS Approved
Services
Boiler Installations
We specialise in installing all boiler types, including combi, system, and regular gas boilers. Our engineers provide full surveys and fit Worcester condensing boilers, improving efficiency to over 90% and reducing annual heating bills by at least 30%. Free consultations and 12-year guarantees are available for Worcester installations.
Boiler Servicing
Annual boiler servicing ensures optimal performance, prevents carbon monoxide leaks, and extends system lifespan. Regular maintenance preserves manufacturer warranties, including Worcester's 512 year guarantees. Our engineers use quality components to maintain compliance with safety regulations.
Boiler Repairs
Our 24/7 repair service addresses boiler breakdowns using diagnostic expertise and quality parts. We repair all boiler types over ten years old, offering a 30-day labour and 1-year parts guarantee. Emergency call-outs prioritise rapid resolution of heating failures.
Bathroom Installations
We provide full bathroom installations, including showers, taps, toilets, and tiling. Our Gas Safe engineers ensure compliance with water regulations, integrating energy-efficient solutions. Services cover both residential and commercial properties across Hertfordshire and surrounding areas.
General Plumbing
Our domestic plumbing services address leaks, overflows, burst pipes, and hot water system issues. We repair immersion heaters, cylinders, and waste disposals, prioritising first-time fixes. All work meets WRAS standards and is completed by certified Gas Safe engineers.
Questions
Are your engineers Gas Safe registered?
Yes, all our engineers are Gas Safe registered and qualified to work on natural gas and LPG systems.
Do you offer emergency plumbing services?
Yes, we provide 24/7 emergency services for urgent boiler and plumbing issues.
What boiler guarantees do you provide?
As Worcester Accredited Installers, we offer extended guarantees up to 12 years on selected boilers.
Can you service older boiler systems?
Yes, we service and repair boilers over ten years old using quality components and parts.
Which areas do you cover?
We serve Royston, Hertfordshire, Cambridgeshire, Essex, and Bedfordshire.