About Us

ALL 3 LTD is a trusted plumbing and heating specialist based on Kenton Road in Harrow. Serving homeowners and landlords across the local area, the company delivers dependable gas engineering solutions. Their core services include complete boiler installations, full system upgrades, and annual boiler servicing. The team also handles emergency repairs, smart thermostat installations, and new radiator fittings. Whether installing a new system boiler or repairing an existing unit, each project is carried out according to safety standards. Landlords and private residents alike rely on their expert heating solutions for long-term comfort and energy efficiency. Clients consistently commend the company for its punctuality, professionalism, and thorough attention to detail. Reviewers appreciate the transparent advice offered during repairs and the clear explanations given throughout installation work. Long-term customers highlight the reliability of their ongoing annual servicing and cost-effective heating support. Reach out to ALL 3 LTD today to schedule your next boiler service or heating installation.

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Amenities

Service options

  • By appointment only
  • Emergency callout

Business services

  • Licensed and insured
  • Warranties offered
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Services

  • Boiler installation
  • Boiler servicing
  • Heating repair
  • Radiator installation
  • Thermostat installation
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Reviews

  1. Manu Madhvani ★★★★★

    We have known All 3 Ltd for many years now...we have had a new boiler supplied and fitted by Raj and serviced by All 3 Ltd. when due, at our flat we rented out. We also have had our boiler serviced at our residence by Alex..a thorough professional! Alex paid attention to detail, was friendly and honest engineer we were so happy to have and will always call for him in future.. A big "Thank You" to Alex. Also, Kas at the office has been wonderful...she has always provided friendly and cheerful service to us...so Thank You Kas too. I would highly recommend All 3 Ltd to anyone... :)

  2. Delano Rods ★★★★★

    Always on time and professional with their work, Been servicing and repairing our boiler for last few years.

  3. Amina Amina ★★★★★

    Just had to leave a recommendation for All 3 Team, they serviced my mother-in-laws boiler and saved us a great deal. Very much appreciated, thanks again.

  1. Suraj Shah ★★★★★

    Excellent friendly service from Alex who installed our Vaillant boiler over 5 years ago, serviced it and made small repairs when required. I would recommend this company.

  2. HITEN PATEL ★★★★★

    just had a new system boiler, a new nest thermostst, and three new radiators installed in kettering. Alex and Leo the gas engineers were fantastic explaining the whole process to me as they worked . I would highly recommend this company

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FAQs

What is the address of ALL 3 LTD?

ALL 3 LTD is located at 182 Kenton Rd, Harrow HA3 8BL, UK

What is the phone number of ALL 3 LTD?

You can contact ALL 3 LTD at +44 20 8907 9996

How can I get to ALL 3 LTD?

You can find directions to ALL 3 LTD by following this map link

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