Reviews

  • 10

    New boiler supplied and fitted

    Posted 22 January

    We used John Williams Heating Services Ltd to supply and fit a new boiler after our old one packed up and was condemned. The engineers did a brilliant job over two days and were very professional, friendly and knowledgeable. They took time to check the whole system was fully working and explained the new controls and cleaned up before they left. We would not hesitate to recommend this company.
    Job location: SN8
  • 9.33

    Good service, good products, helpful people.

    Posted 21 January

    John Williams Heating Services installed a new combi boiler in my house a year ago. It has worked very effectively throughout. They have just carried out the first annual checkup of the system, serviced the boiler and given it a clean bill of health. The engineer kindly explained what he was doing and gave tips on how to be energy efficient. I am very happy with the work done and the service provided.
    Job location: SN16
  • 10

    Boiler Service

    Posted 19 December 2025

    James carried out a full Boiler Service for us. He was very Professional, Helpful and Courteous. Thank you James and John Williams Heating.
    Job location: SN15
  • 10

    Professional

    Posted 24 October 2025

    Excellent service would highly recommend
    Verified reviewer
    Job location: SN15
  • 9.67

    Efficient, reliable and knowledgeable engineering staff

    Posted 21 October 2025

    They were efficient, quick and reliable with well-trained and knowledgeable engineering staff. Their office is excellent and they run good maintenance schemes. First class and helpful service
    Verified reviewer
    Job location: SN15
  • Chrissy B
    9.67

    installation of tailpipes

    Posted 03 September 2025

    great customer experience, I would certainly use them again!
    Verified reviewer
    Job location: SN12