Master Gas London #No.1 for installations, service and repairs in London, Essex and Hertfordshire…
FAQs
Master Gas London
We are a gas & boiler installation company. We specialise in gas, heating & hot water services. Founded by two cousins in 2015. They wanted to change the industry by making it simple, hassle free & cost effective. They built the company on technology that enables them to offer great quality work at great prices.
All workmanship is covered by a Master Gas London 12 month guarantee. The guarantee is on all services we offer. A new boiler installation will come with it’s parts & labour warranty & the Master Gas London 12 month workmanship warranty. If there is any problem with our work, we will send one of our in house engineers to rectify the issue.
At Master Gas London we DO NOT use subcontractors. We have our own in house engineers with our own vehicles. All our competitors are trying to reduce costs by subcontracting all works to any engineer with his own van. Quality work is what the founders of Master Gas London have built the company on. Subcontracting is not the way if you’re looking for quality work.
Master Gas London works with a range of boiler brands Worcester Bosch, Vaillant, Baxi, and Glow worm. These brands are known for their high-quality and are reliable boilers.
We offer financing up to 10 years for all installations. Complete the application & you will receive an answer within 24 hours.
Master Gas London accepts a variety of payment methods. These means of payment include debit card, credit card, and bank transfer. Customers can use these options to select the best payment method for them and conveniently pay for boiler installation, repair, or maintenance services.
Master Gas London serves a wide range of areas in and around London. These areas include London, Essex and Hertfordshire. So whether you’re in need of a new boiler installation, repair, or maintenance service, Master Gas London can provide expert assistance to customers across these regions.
Our gas safe registration number is 599286
Master Gas London has been operating since 2015
Payments
Master Gas London accepts several payment methods, including credit/debit cards and bank transfers.
No, there is no fee for using a credit or debit card to make a payment to Master Gas London.
Yes, Master Gas London offers flexible payment plans for larger projects or installations. Contact us for more information.
We offer financing up to 10 years for all installations. Complete the application & you will receive an answer within 24 hours.
Installations
Master Gas London offers a range of installations, including boilers, unvented hot water cylinders, full central heating, gas lines, and more.
The length of time for an installation can vary depending on the complexity of the project.Â
At Master Gas London we only use experienced gas safe registered engineers with a minimum of 5 years experience.
A like for like installation will take one day to complete. A conversion from a gravity system to a combi will take two days.
Yes, Master Gas London offers maintenance and repair services for all equipment we install.
On The Day
On the day of your appointment, our certified engineer will arrive at your home or business at the scheduled time to complete the requested services.
On the scheduled date of your chosen service the attending engineer will call you at least 1 hour prior to arrival.
If you need to reschedule your appointment, please contact Master Gas London as soon as possible to reschedule or cancel the appointment.
If the engineer is running late, Master Gas London will contact you to provide an updated estimated arrival time.
It is recommended that you clear any furniture or obstructions from the area where the engineer will be working to ensure a safe and efficient service.
The engineer may need access to your gas meter, boiler, or other equipment for servicing or repairs. Please ensure that these areas are easily accessible.
Yes, the engineer will ensure that the work area is clean and tidy before leaving.
If you have any additional questions or concerns, please do not hesitate to ask the engineer. They will be happy to address any issues and provide guidance as needed.
Aftercare
We pride ourselves on our award winning aftercare service. We are always on hand to help even after the 12 month warranty has surpassed.
Yes, Master Gas London offers warranties on all heating and hot water system replacements.
If you have an issue with a service provided by Master Gas London, please contact us as soon as possible so we can address the issue and find a satisfactory resolution.
If you have an issue with a service provided by Master Gas London don’t worry it will be covered by our 12 month workmanship warranty, so no callout charges.
Warranty
Master Gas London offers warranties on all heating and hot water system replacements, as well as on any parts or labour provided as part of a repair or maintenance service. All our services come with a 12 month workmanship warranty.
If you believe you have a warranty claim, please contact Master Gas London as soon as possible and we will take it from there.
If your warranty has expired, please contact Master Gas London for more information on any available options for repairs or replacements.
This will depend on the specific warranty. Please contact Master Gas London for more information on specific warranties and their transferability.
To ensure your warranty remains valid, follow all recommended maintenance and usage guidelines for your heating and hot water systems, and keep records of any maintenance or repairs performed.
Contact Us

New Boiler Offers
Need a boiler replacement or new boiler installation? Use our free fixed price quote tool to find the right boiler at the best price.
We cover London, Essex and Hertfordshire
- We do not Charge by the Hour
- £108 Fixed Fee Repair Visits
- Fixed Price Boiler Installations
- 12 month Warranty on Parts
- 12 month Warranty on Workmanship
- Select a date that suits you
- Book Online or Contact us
Our Guarantee
At Master Gas London, we take pride in our work and are dedicated to giving our clients the finest support we can. We provide a 12 month guarantee for all of our services, parts and workmanship.Â
Who are our Engineers?
At Master Gas London, we only employ Gas Safe and G3 qualified engineers. Every engineer is highly experienced with a minimum of 5 years experience. All engineers have undergone thorough vetting to ensure that we only provide the best gas services in the UK.