At Cosy Warmth Windows, we’ve been supplying high quality doors and windows since 1989. From composite doors to brand new conservatories, our double glazing experts provide high quality workmanship at the best possible price.

For a free quote, contact our team in  today.


We supply and install high quality windows, doors and conservatories with a comprehensive range of safety features for your peace of mind. We are able to provide a variety of popular window designs or can tailor-make them to suit your requirements. We also offer a range of finance options to help you spread the cost.

We supply and install products with excellent safety features that can help improve the appearance of your home and keep you safe at the same time. Our windows are made from uPVC that is reinforced with steel. They can be tailor-made to any size and design. Contact us today for a free quote.

Contact Cosy Warmth Windows

Unit 5 Tram Road Industrial Estate, Pontllanfraith, Blackwood, Gwent, NP12 2LA

01495 222 404

[email protected]

Office hours:
Mon-Thu: 8:30-17:00
Fri-: 8:30-16:00
Sat-Sun: Closed

Important information regarding our finance options

Cosy Warmth Windows is an Introducer Appointed Representative and provides a pure client introduction through Improveasy Ltd, a company registered in England and Wales (Co. Reg. number 7807352). Registered Office: Manchester Business Park, 3000 Aviator Way, Manchester M22 5TG.

The firm is authorised and regulated by the Financial Conduct Authority (FRN 708623). The firm is authorised as a Lender (limited only to green deal finance plans). It also acts as a Broker, not a Lender, and offers credit facilities from a panel/one lender. The credit is subject to application and status.

I would recommend

Fantastic company boys who fitted my windows were polite, tidy and very quick I would recommend them and definitely have them again
Sara S

Fantastic job

Fitted canopy over door and window, not a standard fit so went out of there way to make this specially on site, did a fantastic job. Worked hard in freezing weather conditions, friendly professorial manner, quality of work very good. Very happy…a big thank you.
Sharon W

Very professional

Absolutely fantastic job if the website had more stars I would give them but there’s only 5. From start to finish on my new house Cosy Warmth Windows have been fantastic. Paul has been very professional and the fitters excellent, what a fantastic job to my home 6 windows 2 doors look beautiful recommend and have done so far!
Leyton W

For superior quality double glazing installations, call Cosy Warmth Windows on
01495 222 404