York's Leading Plumbing and Maintenance Company
Our highly motivated, customer orientated team of engineers will arrive when arranged, dressed in uniforms.
Engineers carrying out gas work will have an up to date Gas Safe ID card.
More than 80% of Knowles weekly jobs come from customers who have used the company before. In fact some customers, who first used Knowles 20 years ago, are still using the company today.
At the core of the Knowles philosophy is to keep things simple; we do the right job, at the right price, at a day that's right for you.
The quality and service provided by Knowles does not mean higher charges. We offer a comprehensive guarantee, and our charges are very competitive.
No Call-Out Charge
Knowles prides itself in not having a call-out charge, and there are no hidden charges.
All Knowles workmanship carries the company's written 12 month guarantee.
Free 5 Year Boiler Guarantee
In association with Worcester, one of the U.K's leading heating manufacturers, Knowles now offer a free 5 year guarantee on Worcester boilers.
Estimates may be non chargeable at the company's discretion. Any chargeable estimate will be completely refunded when you place that work with Knowles.