For more than 30 years, cosy warmth windows have been making the houses  more of a home


Cosy Warmth Windows was founded in 1989. We are a family-run company with over 40 years of experience installing high-quality windows, doors and conservatories. All our tradesmen are CSCS Health & Safety registered. Our double glazed UPVC  & aluminium windwows, doors & compisite doors come in a variety off colours and styles to suit you & your home. All products are guaranteed. Our products are all manafactured here in the UK. Our double glazed units are A rated energy preformance.

 Putting your needs first

Our skilled glaziers go that extra mile to provide outstanding service at all times. We listen to your needs and factor them into your design. We will provide a fair, accurate quotations before anything is installed to ensure you’re happy with the price. Every installation is carried out by an experienced fitter.

We are part of STROMA (Competent Persons Scheme – Company Registration No. – stri15356), which ensures any installer adheres to strict building controls and quality standards.

All our upvc products comes with a 10 year  guarantee for added peace of mind. Contact our team  to find out more.

Experienced installers of:

  • Windows
  • Conservatories
  • uPVC doors
  • Aluminium doors
  • Bi-fold doors
  • French Doors
  • We provide a free, no-obligation quote on every installation, so get in touch today.

    Very good quality

    We would really like to thank Jason for his hard work, professionalism and clean working manner his was amazing and kept us informed at all stages of the installation. Please would you pass on my gratitude to Jason.

    Both doors are very good quality and we are very pleased with the new look of our house.
    I wouldn’t hesitate to recommend Jason and yourselves for any double-glazing needs.
    Mark and Shelley O’Neill

    Would definitely recommend

    Cosy Warmth Windows built a conservatory for us after giving a very reasonable quote. They exceeded my expectations and gave me everything I asked for and more.

    The team arrived when they said they would and informed me of any delays and we’re very friendly. They even did other work that wasn’t in the price. The work was to a really good standard. We are very pleased with the build and would definitely recommend this company.
    Helen B

    Outstanding service

    Thank you so very much to Paul and the team for an outstanding service. Highly competitive in price. Beautiful windows that have transformed our home. The team even cleared up after themselves!!

    We truly are now a very cosy family indeed! Would recommend every day of the week and twice on Sunday’s! Thank you.
    The Webb family x


    Get in touch with Cosy Warmth Windows today, experienced glaziers in Blackwood you can count on:
    01495 222 404