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Gas Safety Certificates

An annual gas safety certificate will insure that your installations and appliances are safe to use and they are compliant with gas safety regulations. If you are a landlord letting a property, you are legally required to carry out gas safety checks every 12 months.

Silver Saints will send you a registered Gas Safe engineer to carry out the gas safety certification of all your gas appliances.

We charge £95+vat for a Landlord's Gas Safety Certification.


This includes the testing of up to 2 gas appliances. Any additional gas appliances can be tested at the same time at an additional charge of £45+vat per appliance.


Gas Boiler Repairs in London

Our team of Gas Safe London boiler engineers will go out of their way to get your boiler working again as soon as possible.

By getting to you fast on our fleet of motorcycles, our boiler engineerslose less time in traffic and avoid parking problems. This means we can offer you an efficient service at great value for money prices. In fact we guarantee a Same-Day or Next-Day bookings.

Gas Boilers & central heating systems have many components that need to all work together to enable to safely heat the water needed to warm your home and provide you with a steaming hot shower or bath.

Trouble shooting faulty boilers and central heating systems is something that our London boiler engineers are experienced in. The investigation and diagnostic procedures the boiler engineer carries out are vital to identifying the boiler faults and determining the most economical boiler repair.


Gas Boiler Service in London

Boilers should be serviced each and every year to ensure continued and safe operation. Our professional Saints doing your boiler service are Gas Safe Registered (this accreditation has replaced the commonly-known CORGI certificate), expert heating engineers.

We charge £95+vat for a boiler service


The fixed price boiler service includes:


Visual check

The boiler service starts with a visual check that establishes that the boiler, its installation and its positioning, comply with the rules laid out in building regulations, electrical regulations, gas-safety regulations, water by-laws, installation instructions and British Standards. All must comply with present legislation.


Pre-service check

To do this the boiler engineer will fire the boiler, check its basic operation and identify any initial faults. A gas rate check is also done.



The casing will be removed (something you, as the householder, should never do yourself). At this point the main components will be examined to see they are clean and free from damage. These components include the main burner, the main injector, the heat exchanger, condense trap, the spark centre probe and the seals and fans. Also part of this section of the boiler service is the checking of all electrics for overheating, the cleaning of all inside surfaces, inspecting all pipe work (water & gas) and joints, and very importantly, making sure the flue terminal is unobstructed.


Flue gases check

Flue gases are checked with a flue gas analyser to make sure the boiler is combusting properly. The results are recorded.


Test results

If any of these tests show a fault, the engineer should inform you of any additional costs that the repairs will incur. It is widely recommended that the parts are only replaced with those also made by the manufacturer of the boiler, to ensure that they’re compatible.



The London boiler engineer will carry out a gas-tightness test to establish if there are any leaks in the system.


Boiler Service Report

The casing of the boiler should then be carefully replaced and your report is produced. This is your chance to compare what the boiler engineer has stated they have done, with what has actually been completed. Only sign-off the report if you are satisfied with the work done compared to the checklist.

If your boiler has a pre-existing fault then book a boiler repair, £80+vat per hour, rather than the fixed price service.


Boiler Replacement & Boiler Fitting Service

Has your boiler reached the end of it's working life, has it become too inefficient & unreliable or is it broken down and fitting the necessary replacement parts is just not economical? These are good reasons to consider replacing your current boiler with one that is not only more efficient and reliable but also meets all current building regulations.

All of our Gas Safe boiler engineers are experienced fitters of new boilers in London properties.

Replacing a boiler requires an initial survey visit before a quote can be prepared.

The survey visit will allow us to inspect & agree with you what work needs doing and produce a quote for you. This visit costs £35+VAT. Should you accept our quote and proceed with the new boiler installation we will deduct the survey fee off the final invoice for the work.

The supply and fitting of a replacement gas boiler costs on average £2000-£4000.



Call us: 0207 0999 199

Email us:

Write to us: 78 York Street London, W1H 1DP


United Kingdom

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Gas Fitters
Date added
Monday, 05 March 2018
2 weeks 2 days ago