We aim to keep South London’s homes warm and energy efficient. We are proud to hold Worcester Accredited installer status, while all our engineers are full members of the government-run Gas Safe Register (Include your company gas safe register number here.)


With an annual boiler servicing, we can ensure that your current system is operating to optimum performance, ensure against Carbon Monoxide leaks and prolong its lifespan. Regular boiler maintenance can also help prevent a system breakdown.


In order to keep up with the trends of the Green Revolution, we aim to make energy efficiency a requirement. We are specialists in providing underfloor heating for the home which can significantly reduce your home heating bills by as much as 40%. Far more cost efficient than conventional radiators, which heat the top of the room first, underfloor heating operates at lower temperatures distributing heat up in a uniform way to create a warm cosy environment that prevents cold spots, creates space and adds immediate significant value to your home. For a free assessment please contact us.

Our Heating Services Include:

  • Boiler Installations
  • Boiler Repairs
  • Boiler Replacements
  • Boiler Servicing
  • Central Heating Installations
  • Gas Safety Inspections
  • Immersion Tank Replacements & Repairs
  • Landlord Safety Certificates
  • Under Floor Heating


If you are a landlord, then you are legally required to have all gas appliances checked every twelve months and hold Gas Safety Certificate CP12.

A1 Heating and Plumbing has developed relationships with landlords and the area’s leading letting agencies such as Holden’s and Direct Residential and is known for providing a prompt and reliable service for landlords by providing annual gas safety inspections and certificates.

We also service and repair appliances, carry out upgrades, refurbishments and general plumbing repairs, respond quickly to emergency call outs, and provide advice on current legislation, ensuring you as a landlord remain compliant with requirements and help make your job as hassle free as possible!

For further information, please contact us. We are also happy to liaise directly with tenants to arrange convenient appointment times.