Business Details
35 Years
experience
Your Trusted Local Window & Door Specialists in Thirsk
Established in 1991, New Addition Windows has been a family-run business dedicated to manufacturing and installing high-quality UPVC windows, doors, and conservatories in Thirsk, North Yorkshire. Our expertise extends to supplying and fitting a diverse range of products, including aluminium, timber, and Residence-approved flush-fit windows, tailored to meet the needs of conservation areas and listed buildings. With a 10-year insurance-backed guarantee and FENSA registration, we prioritise customer satisfaction through knowledgeable, no-pressure sales, precision installation, and comprehensive after-sales support.Our teams commitment to excellence is reflected in our use of Eurocell Ovolo systems and innovative solutions like solid roofs and roof lanterns, transforming homes into year-round living spaces. Over three decades, we have built a reputation for reliability, craftsmanship, and community trust, serving both residential and commercial clients across North Yorkshire.
Services
UPVC Windows
Composite Doors
Roof Lanterns
Solid Roofs
Roofline
Secondary Glazing
Aluminium Windows
Timber Windows
Conservatory Upgrades
Residence Collection Installations
Details
- Year established: 1991
Highlights and features
- Family-run since 1991 with deep local expertise in North Yorkshire.
- 10-year insurance-backed guarantee on all installations.
- FENSA-registered for compliance and quality assurance.
- Approved installer of Residence Collection flush-fit timber effect windows.
- Specialise in energy-efficient solutions for conservation areas and listed buildings.
Associations and certifications
- FENSA
- Plastic Window Federation
What people say
Excellent work
Lovely fitters
Transformed property
Efficient service
Thrilled with results
Services
UPVC Windows
Durable, energy-efficient UPVC windows in casement, sliding sash, tilt-and-turn, bay, and bow designs. Customisable with Eurocell Ovolo systems for thermal efficiency and security. Ideal for modernising homes while reducing energy bills.
Composite Doors
Stylish, secure composite doors in a range of finishes and colours. Designed to enhance kerb appeal with advanced locking systems and insulation. Perfect for homeowners seeking durability and aesthetic appeal.
Roof Lanterns
Light-enhancing roof lanterns for flat-roof extensions and conservatories. Crafted to flood interiors with natural light while providing thermal efficiency and weather resistance. Transform underused spaces into bright, inviting areas.
Solid Roofs
Thermally efficient solid roofs for conservatories, replacing outdated glass or polycarbonate designs. Insulated to maintain comfortable temperatures year-round, creating versatile living spaces without glare or heat loss.
Secondary Glazing
Cost-effective secondary glazing solutions to improve insulation and noise reduction. Ideal for period properties where original windows must remain intact, combining heritage preservation with modern comfort.
Questions
What types of windows do you offer?
We provide UPVC, aluminium, and timber windows, including Residence Collection flush-fit designs for conservation areas.
Are your installations FENSA-registered?
Yes, we are a FENSA-registered company, ensuring compliance with building regulations and quality standards.
Do you offer guarantees on your work?
All installations come with a 10-year insurance-backed guarantee for your peace of mind.
Can you help with conservatory upgrades?
Yes, we specialise in solid roofs, roof lanterns, and energy-efficient solutions to transform conservatories into usable spaces.
Which areas do you serve?
We operate across Thirsk, North Yorkshire, and surrounding regions for residential and commercial projects.
