Business Details
Premium Windows & Doors in Harpenden
Harpenden Windows is a family-run business with over 40 years of experience in the double glazing industry, serving Hertfordshire and surrounding areas. We specialise in manufacturing and installing high-quality uPVC and aluminium windows, doors, and roofline products tailored to individual specifications. Our commitment to excellence is reflected in our FENSA registration, comprehensive product guarantees, and a reputation built on trust, professionalism, and ethical trading.With a focus on energy efficiency and security, our products are designed to enhance both the aesthetic and functional value of homes. Our dedicated team of experts ensures every project is completed to the highest standards, offering free no-obligation quotations and personalised service. Over 90% of our work comes from customer recommendations, underscoring our dedication to customer satisfaction and quality craftsmanship.
Services
Windows
Doors
Bi-Fold Doors
Lantern Roofs
Residence Collection
Highlights and features
- 40 years of experience in double glazing manufacturing and installation
- Family-run business with a local reputation for trust and professionalism
- FENSA-registered with comprehensive product guarantees
- Free no-obligation quotations and expert advice
- Over 90% of work comes from customer recommendations
Associations and certifications
- FENSA
Services
uPVC Windows
Our uPVC windows combine modern technology with traditional aesthetics, offering energy efficiency and security. Available in flush casement, tilt-and-turn, and sash designs, they are custom-made to suit period and contemporary properties. Backed by comprehensive guarantees, they enhance thermal performance and require minimal maintenance.
Bi-Fold Doors
Aluminium bi-fold doors create seamless indoor-outdoor living spaces with slim sightlines and high security. Available in custom colours and configurations, they feature advanced glazing for thermal efficiency and come with a low threshold option for accessibility. Designed for durability and ease of use.
Lantern Roofs
Bespoke lantern rooflights flood interiors with natural light while improving energy efficiency. Available in multiple styles and colours, they are durable, low-maintenance, and enhance property value. Ideal for contemporary or traditional flat roofs, with acoustic insulation for noise reduction.
Composite Doors
High-security composite doors combine durability with aesthetic appeal, featuring multi-point locking systems and energy-rated performance. Available in traditional and modern designs, they offer enhanced security, thermal efficiency, and require minimal upkeep, adding value to any home.
Residence Collection
The Residence Collection offers timber-alternative flush casement windows with authentic visuals and modern performance. Designed for period properties, they feature A++ energy ratings, decorative glass options, and durable uPVC profiles. Customisable handles and finishes ensure a tailored look.
Questions
What areas do Harpenden Windows serve?
We operate across Hertfordshire and surrounding areas, including Harpenden, Watford, and local Hertfordshire communities.
Are your products energy efficient?
Yes, all our windows and doors are energy-rated, with options achieving A++ ratings and U-values as low as 1.1W/m²K.
Do you offer guarantees on installations?
Yes, we provide comprehensive product and installation guarantees for all our windows, doors, and rooflights.
Can I visit your showroom?
Our showroom in Harpenden is open Monday-Friday, 8am-4pm by appointment. Contact us to arrange a visit.
Are your bi-fold doors secure?
Our aluminium bi-fold doors are Secured by Design certified, featuring multi-point locking systems and durable hardware.
Do you provide free quotes?
Yes, we offer free, no-obligation quotations for all our products and installation services.
