Warm Roof

Introducing WARMroof®

Redefining Roofing Excellence

Experience roofing like never before with our revolutionary Prefix WARMroof® system. Designed to set new standards in performance and versatility, WARMroof® stands as the most configurable and robust insulated tiled roof in the UK market.

Crafted to perfection, WARMroof® embodies the essence of true ‘warm roof’ construction. Its fully insulated structure guarantees unparalleled thermal efficiency, making it ideal for a diverse range of conservatory builds, replacements, and refurbishment projects.

Key Features of WARMroof®:

  • Pioneering ‘warm roof’ construction
  • Pre-fitted Velux rooflight for natural illumination
  • Insulated eaves for enhanced insulation
  • Option for full-length glass panels
  • Quick and seamless installation with minimal disruption
  • No on-site cutting required for precision
  • Extensive range of slate and tile colors
  • Tested for structural integrity for roofs up to 6000mm wide
  • Exceptional thermal insulation with a U-value of 0.18 W/m2K
  • Choice of double or triple glazing panel options
  • Capable of incorporating large spans for bi-folding doors or sliding patio doors


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Why Choose Us?

Price Match Guarantee

Our Price Match Guarantee means we will match any like for like quotation with the same features, specifications and warranties.

All Seasons Living

Combine the light and airy feel of a conservatory, yet with the solid, tiled roof, and energy efficiency of an extension.

Over 50 Front Doors

We have a wide range of over 50 white, coloured & woodgrained Front PVCu and Composite Doors to choose from. Starting from just £645.

FREE Quotation

Whatever your requirements, please contact us now for a comprehensive FREE no obligation quotation, or just for some friendly advice.

Best Price Promise GUARANTEE*

*Provide us with a Like for Like quotation with the same features, specifications and warranties from a comparable company,and we will match the PRICE.
Call us on Now 01403 711 936
Email: info@window-mart.co.uk

Do you need a quote?

Contact us now for a comprehensive FREE no obligation quotation.


Established in 1998, Window Mart have gone from strength to strength culminating in the opening of our new show complex at Old Barn Garden Centre near Horsham. All Window Mart staff are employed by the company and drive fully equipped company vehicles. We have our own building team for groundwork and brickwork. In our showroom an extensive range of conservatories, doors and windows can be viewed. Excellence is our commitment and we are here to make sure you get the very best in service and quality.

Contact Us

01403 711 936


Show Complex

Old Barn Garden Centre,
Worthing Road, Dial Post,
Horsham, West Sussex,
RH13 8NR

Opening times:
Mon -Sat: 10am – 4pm
Sunday: 11.30am – 3.30pm

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