New Worcester Boiler

Boiler Installation

As a Worcester Bosch accredited installer Mark Knowles Plumbing and Heating are able to provide Worcester’s ‘Which Best Buy’ award winning boilers with a huge 10 year guarantee.

Commissioning New Worcester Boiler

Boiler Repairs

Sometimes your boiler lets you down- but don’t worry Mark Knowles Plumbing and Heating are here to help!

Professional Plumbing

Whether you have an annoying dripping tap, a toilet that won’t flush or you have water pouring through your ceiling our experienced and trained plumbers can help.


Boiler Servicing

A properly maintained boiler is not only more reliable, it is also safer and more efficient.

Testing New Worcester Boiler

Oil Boilers

Mark Knowles Plumbing and Heating are proud to be Southport’s only independent OFTEC registered business.


Oil Boiler Servicing

When you arrange for us to service your oil boiler our OFTEC registered engineer will arrive in a two hour arrival slot (arranged at your time of booking) and will make sure your oil boiler and tank are installed to all current regulations, working safely and efficiently.

Oil Boiler Repair

Our highly skilled and experienced oil boiler engineers work on all makes and models of domestic boilers of any age.


Oil Boiler Installation

At Mark Knowles Plumbing and Heating we know that when you’re replacing your oil boiler you want to be sure that you are getting the best products, installed properly with as little disruption as possible.


Nest Smart Controls

As Nest Certified Professionals and Nest users, Mark Knowles Plumbing and Heating are able to offer Nests innovative smart thermostat with an unrivalled knowledge of the product.

Reliable, Efficient, Professional
Call Us
01704 214420


8:00 am - 5:30 pm


9:00am - 5:00pm