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Business Details
37 Years
experience
Trusted Window & Door Installers in Blackwood
Cosy Warmth Windows, established in 1989, is a family-run business with over 40 years of experience in supplying and installing premium windows, doors, and conservatories across South Wales. Our team of CSCS Health & Safety registered professionals specialises in double-glazed uPVC and aluminium products, all A-rated for energy performance. We prioritise tailored designs, offering a wide range of colours, styles, and security features to meet individual customer needs. As proud members of STROMA (Competent Persons Scheme Company Registration No. stri15356), we adhere to strict quality standards, ensuring every project meets building regulations.

Our 10-year guarantee on uPVC products reflects our confidence in durability and customer satisfaction. We provide free, no-obligation quotations and handle installations with minimal disruption, leaving properties clean and tidy. Our finance options, available through Phoenix Financial Consultants, allow customers to spread costs. Reviews consistently highlight our competitive pricing, professional fitting, and exceptional after-sales service, making us a trusted choice for residential and commercial clients.
Services
Windows Composite Doors uPVC Doors Bi-Folding Doors Conservatories
Details
  • Year established: 1989
Highlights and features
  • We have over 40 years of experience in window and door installations.
  • Our team consists of CSCS Health & Safety registered professionals.
  • We offer a 10-year guarantee on all our uPVC products.
  • Our STROMA membership ensures compliance with building regulations.
  • We provide free, no-obligation quotations with tailored design options.
Associations and certifications
  • STROMA
  • CSCS
What people say
Excellent quality Professional fitting Reasonably priced Highly recommended Super efficient
Services
Windows
Our A-rated uPVC windows combine energy efficiency with enhanced security, featuring steel-reinforced frames and 28mm sealed units. Available in multiple colours and styles, including Georgian bars and lead detailing, they reduce energy costs while improving property aesthetics. Each installation includes a 10-year guarantee for long-term peace of mind.
Composite Doors
Durable composite doors offer superior security with multi-point locking systems and reinforced frames. Available in contemporary and traditional designs, they enhance curb appeal while maintaining thermal efficiency. Customisable to match property specifications, ensuring both style and functionality for residential and commercial premises.
Conservatories
Tailored conservatories maximise natural light and living space, constructed with high-quality uPVC and glass panels. Our 3D design software visualises projects before installation, ensuring seamless integration with existing architecture. Expert fitters complete builds with minimal disruption, maintaining clean and tidy surroundings.
Bi-Folding Doors
Aluminium bi-folding doors create seamless transitions between indoor and outdoor spaces, available in various finishes and configurations. Their slim frames maximise views while providing excellent insulation. Ideal for modernising homes, these doors combine aesthetic appeal with robust security features.
Finance Options
Spread the cost of installations through flexible finance plans arranged via Phoenix Financial Consultants. Subject to credit approval, these options make premium upgrades accessible without upfront financial strain. Transparent terms ensure no hidden fees or unexpected charges.
Questions
What areas do you serve?
We operate across South Wales, including Blackwood, Newport, Pontypool, Merthyr Tydfil, and surrounding regions.
Do you offer guarantees on installations?
Yes, all uPVC products come with a 10-year guarantee covering materials and workmanship.
Can I customise my window and door designs?
Absolutely. Choose from various colours, styles, and security features to match your property's specifications.
Are finance options available?
Yes, we provide flexible financing through Phoenix Financial Consultants, subject to credit approval.
How do I get a free quotation?
Contact us via phone or email to arrange a surveyor visit for a no-obligation quote tailored to your needs.