Reliant LDN Ltd
London
Checkatrade member since January 201015
Services
- Air Conditioning Installation
- Air Conditioning Repair
- Air Conditioning Servicing
- Emergency Air Conditioning Service
- Gas Boiler Installation
- Gas Central Heating Installation
- Gas Safety Checks - CP12
- Gas Boiler Servicing / Repair
- Emergency Central Heating Repair
- Gas Central Heating Servicing / Repair
- Underfloor Heating Installation
- Radiator Installation
- Power Flushing
- Radiator Repair
- Radiator Thermostat Valve Installation
- Radiator Thermostat Valve Repair
- Tap Repair
- Underfloor Heating Repair
Customer Reviews
Write a review9.96 /10
Based on 38 reviews over the past 12 months
Quality of work
9.95
Reliability
9.97
Communication
9.95
What customers are saying
AI-generated from customer reviews over last 24 months
Customers consistently describe this trade as professional, efficient, and friendly, from the office staff to the engineers. The team is frequently praised for their clear communication, high standard of work, and for leaving properties clean and tidy.
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Reviews (411)
10 Excellent prompt and professional service
Posted 11 March
Reliant LDN have been fantastic doing recent jobs for me - boiler servicing, repairs and parts for various parts of heating system. Excellent prompt service and highly professional and nice people to deal with.Verified reviewerJob location: W410 Exactly what we'd hoped for...
Posted 03 March
Great initial visit to advise on options and plan before the install. Helpful and friendly installation team (Simon and Ethan), who took their time to ensure everything was functioning well and we were given thorough operating instructions. Would recommend.Verified reviewerJob location: SW1810 Great service
Posted 27 January
Reliant were very good when arranging the appointment for their plumber Alfons to deal with problems at my flat. Their service was very efficient. Alfons was excellent and I would thoroughly recommend him and Reliant to anyone.Verified reviewerJob location: W1110 Friendly and consistent
Posted 16 January
Reliant installed my air con a couple of years ago and recently came back to service it. Their staff are always very friendly and explain things well and their prices are fair. Highly recommend!Verified reviewerJob location: W910 Excellent, fast and supportive team at Reliant
Posted 05 January
I am always impressed with the speed, efficient and supportive approach taken by Dennis and the team at Reliant. They are always quick to respond and helpful. Excellent communication about the work that needs to be done and an honest approach to the job. Really impressed and very happy I have found Dennis and the team.Verified reviewerJob location: SW510 Very comprehensive service by a delightful young man
Posted 15 December 2025
Dennis arrived and changed batteries in my gas fire which started it up. He took the front off and cleaned it thoroughly and recommended battery operated carbon monoxide detectors for the two ground floor rooms with gas fires I am well pleasedVerified reviewerJob location: W4
Photos
Company Info
Owner
John Kearney
Ltd Company
16 years on Checkatrade
VAT Registered
Yes: 325462707
We are a Chiswick, West London based Plumbing, Heating, Gas and Airconditioning Company.
At Reliant LDN Ltd we pride ourselves on quality workmanship, an eye for detail and a professional service. Our customers are our priority, so we do the utmost to retain them with our top-class service and professional manner.
We offer our services to both residential and commercial premises. Please click on our services button to see our full range of services that we offer.
At Reliant LDN Ltd we do not charge call out fees. We charge by the hour or day rate once a service is agreed. A full quotation of works can be provided before work commences at no cost to you.
New Gas boiler required?
Up to 12 year warranty on new Worcester Bosch and Vaillant boiler installations.
- City and Guilds Qualified.
- GAS SAFE Registered.
- Qualified by B-PEC Unvented Systems.
- Fully Insured Company.
- 34 years of Experience in the industry
We specialize in all aspects of Plumbing, Heating, Gas and Air Conditioning work from boiler installations, servicing, heat pumps, power flushing and bathroom refurbishments.
Please contact us on the landline (8am-5pm Monday-Friday) or via the Checkatrade portal with any enquiries.
Accreditations and awards
This trade passed up to 12 Checkatrade vetting checks
Member since January 2010
Individual checks
Identification
Proof of address
Financial
Qualifications and accreditations
County court judgement
Open source media
Business checks
Customer Reviews
Company trading history
Company duplication
County court judgement
Enhanced business check
Director checks