Longfield, Kent, DA3 7BE, UK
01474 700 111
Gas boiler maintenance in the South of England

CNC Heating is pleased to be able to offer a fully extensive range of services and facilities to all its clients. We focus on providing “Quality in Service” and ensure that at all times we provide “best value”. View our Services.

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All administration staff are trained in each client’s requirements and the sites which they maintain. This allows them to have total confidence in the works and type of LTHW plant installed on site. All administration staff are provided with site specific training so our clients at all times feel confident in the information or advice being provided. 


Servicing; installation: commissioning: installation 

As part of our ongoing development we are pleased to be able to offer an extensive range of services. The engineering workforce constantly are being updated in modern designs and products so we can at all times offer an extensive range of trades and skills set. The training of all our site based engineering staff is on-going and we pride ourselves in the development of young people coming into the business through the apprenticeship schemes.


Domestic appliances installation service and repairs

Our expert service includes but is not limited to commissioning of all gas and oil fired domestic or commercial appliances, with a further skill set in the service and commissioning of Heat Interface Units. We undertake site assembly of all commercial boilers (cast sectional- modules) full installation service and planned preventative maintenance of all LTHW systems. We also have a 24/7 emergency call out facility for service clients and carry most first line spares whereby we have been able to obtain a first time fix on most breakdowns attended.

Frequently asked Questions

With over 25 year’s experience we know what makes a boiler and its system tick. We support many large blue chip companies and have established over the years a vast wealth of experience and know how this has given us the capability of being able to give client support over the telephone and via email. It is a service we are pleased to offer to all whether you’re an existing client, just looking for advice or need to discuss the issues before you proceed with any works.

We operate extensively in the south of England. For further details and an accompanying map, please see our coverage area page.

Yes, commercial developments can arrange a service plan with CNC Heating Ltd. Domestic residential clients are not require to take out a service plan with us and we will undertake to remind you on an annual basis that your annual service is due.

Yes, for commercial annual service and maintenance contracted clients only.

Yes, our service provides you with a boiler replacement and remedial works quotation for free.

Yes, we can service any boiler.  If, upon inspection further repairs or upgrade is required, then we shall advise at time of service and provide a free quotation.

Our Clients and Partners

Barratt London
Berkeley Group
SDL Bigwood
See more of our clients and partners...

Why choose CNC Heating

We believe our success and continued growth comes from our ‘First in Service’ policy. This provides our team with clear checklist for each job, which each engineer must review as part of the job assessment. The checklist focuses on quality of service and customer satisfaction as key objectives – read more.


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