Valued Existing Customers

If you are experiencing any problems with your Carnforth Windows installed uPVC product and it’s still within the guarantee period, we need to hear from you.

We would prefer for you to request the Service Call Out sooner rather than later as permanent damage can be caused for not reporting a problem to us in time. With all correspondence please Quote your reference details including your CW number.


Important Information

To maintain your 10 year Guarantee, the Guarantee holder has certain care and maintenance responsibilities to follow which came into effect 12 months after installation, please read here or consult your guarantee for further information.

(Please Note: ‘If No Fault is Found’ or ‘Permanent Damage is Caused’ from not calling us out in time, or the care and maintenance responsibities havent been followed we will charge our standard call out fee.upvc repair call


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NB: If your item is out of Guarantee then please feel free to call we will do our best to assist you.



If you haven’t had your windows, doors or conservatory installed by Carnforth Window Co but would like some assistance then please also call the number at the top of this page.

We can fix an number of problems associated with Conservatories, doors, windows, Roofline and glass.

Call our friendly team today or click here to enquire on-line