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Premium Timber Windows
Experience the timeless elegance of our sustainably crafted timber windows, offering natural beauty, superior insulation, and authentic character for traditional and contemporary homes.
Natural Beauty, Timeless Craftsmanship
Introduction
Our timber windows represent the perfect blend of traditional craftsmanship and modern performance, delivering unmatched beauty and character for your home.
Each window is meticulously crafted from sustainably sourced timber, providing excellent thermal and acoustic insulation while adding authentic charm and value to any property.
Natural Beauty & Warmth
Authentic timber grain delivers timeless character with inviting warmth.
Customisable Design
Available in sash, casement, flush sash, and tilt-turn styles with bespoke finishes.
Exceptional Durability
Engineered timber and advanced coatings provide 50-100+ year lifespans.

Years Lifespan
When maintained with periodic care
U-Value
Achievable with our performance glazing
Recyclable
Sustainably sourced, renewable timber
Year Guarantee
Anti-rot guarantee on Accoya® timber
Star Rating
Average customer review

20% OFF
Your First Project
Limited time offer for new customers. Transform your home with our premium timber windows.
*Terms and conditions apply. Offer valid until end of month.
Key Benefits
Why Choose Our Timber Windows
Our timber windows pair sustainably sourced hardwoods with precision craftsmanship to deliver lasting performance and authentic character for decades.
Natural Beauty & Warmth
Authentic aesthetics with distinctive wood grain patterns that add character and warmth to every home style.
Exceptional Thermal Performance
Natural insulation delivers U-values as low as 1.1 W/m²K with noticeably reduced condensation and warmer surfaces.
Eco-Friendly & Sustainable
Timber is a renewable resource with negative GWP, fully recyclable, and sourced from FSC or PEFC-certified forests.
Remarkable Longevity
High-performance coatings and engineered timber cores provide 50-100+ years of service with simple maintenance.

Crafted for Everyday Living
Every Harrington timber window is handcrafted from premium hardwood or engineered timber, delivering outstanding durability, weather resistance, and effortless operation.
- Natural insulation keeps interiors comfortable all year round
- Conservation-approved profiles for period and listed homes
- Microporous finishes with 7-10 year maintenance cycles
Product Details
Engineered for Excellence
Expert Timber Craftsmanship
Our timber windows are engineered with advanced joinery, laminated profiles, and modern coatings to provide outstanding performance and authentic detailing.
Premium Wood Selection
Choose from hardwoods like Oak, Mahogany, and Sapele or engineered Accoya® for exceptional stability and longevity.
Custom Finishes
Microporous paints and stains protect the timber while allowing it to breathe, extending maintenance cycles.
Engineered Construction
Laminated timber profiles resist twisting and warping, with sash, casement, flush, and tilt-turn configurations available.

Heritage Detailing
Traditional profiles with modern protection
Our Installation Process
A Seamless Experience From Start to Finish

Site Survey & Consultation
We take precise measurements of your existing windows and discuss your preferences for style, colour, and functionality. Our experts explain the best timber options for your property.
Free Service
No cost, no pressure
Our Gallery
See our work in action






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Our Guarantee
Your peace of mind is our priority
50-Year Anti-Rot Guarantee
Our Accoya® timber windows include a 50-year guarantee against rot and fungal decay for exceptional longevity.
10-Year Microporous Finish
Factory-applied microporous coatings protect the timber while allowing it to breathe, backed by a 10-year warranty.
Insurance-Backed Guarantee
Comprehensive insurance-backed guarantees covering workmanship, materials, and weather sealing.
Maintenance Support
Ongoing maintenance advice and optional refinishing services ensure your timber windows last a lifetime.
Customer Testimonials
Loved by home owners across the South East

James R
Hampstead
“The oak timber windows are exceptional. The natural grain and character they bring to our period property is exactly what we wanted, and their thermal performance has noticeably reduced our heating bills.”

Sarah M
Surrey
“What impressed me most about Harrington's timber windows is the perfect balance of traditional aesthetics and modern performance. They've transformed our cottage while respecting its character.”

David & Emma P
Kent
“From the detailed consultation about timber species to the final installation, Harrington Windows were excellent. The craftsmanship and attention to period details exceeded our expectations.”
Compare Your Options
See how our timber windows stack up
Ready to Transform Your Home?
Get started with a free consultation and quote. Our experts are ready to help you find the perfect timber windows for your home.
Our Service Locations
Premium Timber Windows Installation Across the UK

North London
Local teams ready to help

West London
Local teams ready to help
Key Areas We Cover

Hertfordshire
Local teams ready to help

Essex
Local teams ready to help

Cambridge
Local teams ready to help
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