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PES are a highly professional company providing gas safe engineers who are able to service, repair, install and maintain just about any kind of heating and boiler system for the London area, for both commercial premises and domestic properties.


Family Run Business

We take pride in that if you call PES we will solve your boiler problems with the minimum of fuss and disruption. We have been giving our customers all types of boiler solutions in London for over 20 years. We are proud to note that the majority of our work now comes via repeat business from happy existing customers or client referrals. PES is not a franchise and we don’t use a call centre, we are a family business, which means that we can give our customers the best advice and assistance without delay.


Gas Safe Engineers London

All PES engineers are Gas Safe Registered and appropriately qualified, meaning that they can install, repair or replace most types of gas boiler from large commercial boilers (over 70kW) down to domestic home boilers.

We also pride ourselves that despite having been in the industry for more than 20 years and providing our customers with a highly professional service, we are still able to give a competitive pricing structure. Our customers know that whatever they need from our gas safe engineers they are getting a highly professional service at the best value.


We Provide Gas Safe Engineers London

If you need gas safe engineer, then call us to see how we can help you. If you need a boiler service, landlords gas safety certificate or any other service requiring a gas safe engineer, then we can provide that for you.


We can advise and fix problems relating to the following parts of a heating system:

Heating system pipework

All associated electrical wiring (via our approved electricians)

Heat emitters (radiators, underfloor heating, convectors, etc..)

Heating and hot water system pumps

Control valves and heating valves

Heating sensors and controls

Gas boiler servicing, certification, installation and repair in line with current regulations

Commercial boiler systems


Boilers Types We Work With

PES are able to work with most types of boiler for domestic and commercial premises, including, but not limited to:

Gas fired Condensing boilers

Gas fired back boilers

Cast iron boilers

Combination boilers

Warm air units

Low water content boilers

System boilers

Oil fired condensing boilers

Water heaters

Plus many more…


Boiler Manufacturers We Work With

There are many boiler manufacturers around and we have worked with most of the major manufacturers of heating boilers, including:

Worcester Bosch


Johnson & Starley

Keston Main Heating

Potterton (Part of Baxi)










Alpha Heating Innovation

Ariston Biasi UK Ltd

Eco Hometec


Glow-Worm Boilers

Heat Line

Heatrae Sadia (UK’s largest manufacturer of electric water heating products)

Plus many more….


Clear Cut Pricing

After first hour, we work in half hour time slots

Fair charging policy – we won’t charge for an additional half hour if we go up to 5 minutes into the next half hour time slot

We don’t have call out charges (minimum one hours charge)

Fixed prices, no nasty surprises when you receive the invoice

No obligation, free of charge estimates

If you require any further details of our pricing or a complete schedule of rates then please see pricing.


Services we can provide as Gas Safe Engineers London

To support our work on specific commercial boiler and heating systems we are able to offer the full range of services that you would expect from gas safe engineers providing boiler services in London:

Gas safety certificates (domestic and commercial)

Heating system fault diagnosis (boiler, pipework system, valves, controls etc.)

Boiler repairs and servicing

Commercial boiler installation

General system maintenance

Systems leak repairs

System component replacements (valves, controls, boiler components etc.)

Power flushes

System treatments

24 hour boiler repair

Plus much more…


Gas Safe Engineers London That You Can Rely On

At PES we specialise in most types of commercial and domestic boilers, we have worked on some high profile commercial properties, we service, repair, install and replace boilers and heating systems to the highest possible standard. We also provide 24 hour emergency boiler repairs and you can rely on our engineers to be with you on time, respect your home or commercial premises and not leave without providing you with a solution.


Contact Gas Safe Engineer London

Contact PES 24/7 today:

0208 657 8260

07710 565 020

United Kingdom

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Construction and Repair
Gas Safe Engineers
Date added
Monday, 04 February 2019
5 years 5 months ago
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