South of England, including London.
Commercial boiler and heating support for a single property or a wider portfolio. Nearby sites and larger contracts further afield can be discussed with our team.
Explore our service coverage and map →At 4Facilities, we understand that a malfunctioning boiler can cause significant disruptions to your business. Our skilled engineers are equipped to diagnose and repair a wide range of commercial boiler issues, from straightforward fixes to more complex, technical challenges.


Existing maintenance customers should use the support contact and response arrangements in their agreement. We are also happy to discuss faults for non-contract customers, subject to availability. Any applicable repair or warranty terms are confirmed with the proposed work.
CONTACTÂ USTell us about the symptoms, any fault codes and the effect on heating or hot water. Our engineers investigate the cause, explain the findings and discuss repair options, parts and next steps.If the equipment is under warranty, share the details when enquiring so the applicable terms can be considered. Repairs and servicing have different purposes; the right sequence depends on the fault and equipment condition.Tell us about your commercial boiler fault or call 01273 044045 to discuss availability.

The length of time to repair is determined by the cause of the fault. Our team will be able to give you feedback once they have ascertained the root cause.Â
You might notice unusual loud banging noises, bad smells, leaking, loss of heat and changes in the colour of the pilot flames.
If you suspect a gas leak, leave the affected area and call the National Gas Emergency Service on 0800 111 999 for natural gas, or your LPG supplier. Follow their instructions. Do not use an appliance you suspect is unsafe. A suspected leak or carbon monoxide alarm needs an emergency response; do not wait for a website enquiry to be answered.
For a commercial boiler fault, call 01273 044045 to discuss availability and the next step. If you are planning ongoing maintenance, we can arrange a free site survey and prepare a bespoke proposal for your boiler plant.
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