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Our Window Range
Discover our complete collection of premium windows, expertly crafted and professionally installed with a 10-year guarantee.
Premium Windows for Every Home
At Harrington Windows, we offer a comprehensive range of premium window styles to suit every property type and personal preference. From traditional sash windows for period properties to contemporary aluminium designs for modern homes, our expert team will help you find the perfect solution.
Every window we supply is manufactured to the highest standards and installed by our skilled craftsmen. We provide a complete service from initial consultation through to installation, backed by our comprehensive 10-year guarantee.
Explore Our Window Styles
Click on any window type to learn more about features, benefits, and pricing.
Sash Windows
Traditional vertical sliding sash windows combining timeless elegance with modern performance. Perfect for period properties and conservation areas.
Casement Windows
Classic side-hung casement windows offering excellent ventilation, clean sightlines, and versatile design options for any property style.
uPVC Windows
Cost-effective, low-maintenance uPVC windows with excellent thermal insulation. Available in a wide range of colours and finishes.
Timber Windows
Premium natural timber windows offering unmatched beauty, sustainability, and exceptional thermal performance for discerning homeowners.
Georgian Windows
Authentic Georgian-style windows with traditional glazing bar designs, perfect for period homes and heritage properties.
Sliding Sash Windows
Premium sliding sash windows with smooth operation and elegant design. Ideal for Victorian and Edwardian properties.
Flush Sash Windows
Contemporary flush sash windows where the sash sits flush with the frame, creating clean lines and modern aesthetics.
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Tilt & Turn Windows
Versatile tilt and turn windows offering flexible ventilation options and easy cleaning access from inside your home.
Bay Windows
Stunning bay windows that create extra space and flood your room with natural light. Available in various configurations.
Aluminium Windows
Sleek, strong aluminium windows with slim sightlines and contemporary styling. Perfect for modern architecture.
Double Glazing
Energy-efficient double glazed windows that reduce heat loss, lower energy bills, and improve comfort year-round.
Triple Glazing
Ultimate energy efficiency with triple glazed windows. Maximum thermal performance for the most demanding requirements.
Why Choose Harrington Windows?
10-Year Guarantee
Comprehensive warranty on all windows and installation
Local Experts
Experienced installers serving London and the Home Counties
Energy Efficient
A-rated windows that reduce energy bills by up to 40%
Enhanced Security
Multi-point locking and toughened glass as standard
Ready to Transform Your Home?
Get a free, no-obligation quote for your window project. Our experts will help you choose the perfect windows for your property.