Welcome to Pro-Fit Northern

Pro-fit Northern is a well-established, family-run business with over 25 years’ experience of managing the residential door, window and conservatory requirements to the satisfaction of thousands of customers.

Proven Expertise

At Pro-fit Northern, our long-standing experience and integrity has earned us a reputation for delivering unfailing quality and service.

Our Approach

At Pro-fit Northern, we value our customers and realise that each project has its unique requirements.


Pro-fit Northern are proud suppliers of Katzbeck windows and doors. Superior technologies, top design and constant innovations...

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  • Windows

    We have an extensive range of traditional, period and contemporary uPVC and aluminium window solutions.

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  • Doors

    We can create most styles of doors in a range of materials and finishes including timber, uPVC and aluminium.

  • Conservatories

    Whether you’re looking to extend the boundaries of an existing area or to create a new space for entertaining, for studying or a play area for the children, we can guide you through your ideas.