About Our Services

Explore Master Gas London’s comprehensive FAQs about gas, heating, and hot water services. Find answers to common questions and make informed decisions. 

FAQs the most frequently asked questions

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Queries That Top the List

We are a specialised gas and boiler installation company, catering to gas, heating, and hot water services. Our origins trace back to 2015 when two visionary cousins founded the company with a mission to revolutionize the industry, striving for simplicity, hassle-free service, and cost-effectiveness. Embracing cutting-edge technology, we ensure the delivery of top-notch workmanship at competitive prices.

All our workmanship is backed by the reliable Master Gas London 12-month guarantee, which applies to all the services we provide. For a new boiler installation, you can rest assured knowing that it comes with comprehensive parts and labor warranty, in addition to the Master Gas London 12-month workmanship warranty.

At Master Gas London, we never use subcontractors. Our in-house engineers, equipped with our own vehicles, deliver quality work – a principle that sets us apart from competitors who compromise on excellence through subcontracting.

Master Gas London collaborates with renowned boiler brands, including Worcester Bosch, Vaillant, Baxi, and Glow worm. These brands are trusted for their exceptional quality and reliability

Take advantage of our financing options for all installations, with terms of up to 10 years. Simply complete the application, and you’ll receive a response within 24 hours.

We accept credit card, debit card and bank transfer as a method of payment.

Master Gas London covers all of London, Essex, and Hertfordshire. 

Our gas safe registration number is 599286

Master Gas London has been operating since 2015


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.


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. 

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.


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.


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.

Master Gas London Details

London Office

Walthamstow, London, E17 4JP

Loughton Office

Loughton, Essex, IG10 2QS

Collier Row Office

Collier Row, Romford, RM5 2UD

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Master Gas London FAQs

FAQs Master Gas London

Buy a New Boiler with Installation from £1900

All Boiler Prices Include Everything You Need
Up to12 Year Parts & Labour Warranty

Master gas london are your trusted partner in all things gas, heating and hot water

A Family Run Business Since 2015

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