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"Outstanding service from initial consultation to final installation. Our new sash windows have transformed our Kennington home's appearance while significantly improving warmth and comfort."
Charlotte & Robert Wilson
Kennington
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Kennington, London Sash Window Specialists
Sash Windows in Kennington, London
Transform your Kennington home with draught-free, secure sash windows that combine authentic period style with modern performance, cutting heating costs by up to 40%
⭐⭐⭐⭐⭐Rated 4.9/5 by Kennington customers
10 Year Guarantee
Conservation Approved
Sash Windows for Kennington, London Homes
Local Specialists in Period Window Design
Our premium sash windows are expertly designed for Kennington properties, combining authentic period elegance with cutting-edge performance features that perfectly complement the architectural heritage found throughout Kennington, London.
With over 25 years of experience working with Georgian squares and Victorian terraces with notable public buildings., our certified sash window specialists understand the unique requirements of homes in Kennington. We're fully approved for Kennington Conservation Area protects period architecture.
Every sash window installation in Kennington is backed by our comprehensive 35-year guarantee and installed by our own local, fully-qualified installation teams—never subcontractors—ensuring consistent, premium quality results.
Authentic Period Aesthetics
Perfect replication of traditional sash windows for Kennington homes
Local Kennington Expertise
Tailored solutions for Kennington, London's unique property styles
Perfect for Conservation Areas
Approved designs for Kennington's protected neighborhoods
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Bespoke sash windows for Kennington
Tailored to your property's unique character
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Why Choose Harrington for Your Kennington Sash Windows
Our Expertise & Credentials
Industry Certified
Our Kennington installations are backed by FENSA certification, Glass and Glazing Federation membership, National Trading Standards approval, and Installsure 10-Year insurance-backed guarantees.
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Energy Performance
Our sash windows achieve A+ energy ratings - the highest available for any window product. This high-performance glazing can reduce heating costs by up to 40% for Kennington homeowners.
A+ Rated Windows
25+ Years Experience
Our master craftsmen have been installing sash windows in Kennington for over 25 years, with specific experience in local conservation areas and period properties.
Excellent
Trustpilot
TrustpilotLocal Kennington Knowledge
Harrington Windows is the most highly rated sash window specialist in Kennington, London, with unmatched knowledge of local architectural styles and conservation requirements. Our team includes Kennington residents who understand the specific needs of properties in this area.
Conservation area approved designs
Dedicated Kennington installation team
Award-winning customer service
Sash Window Details for Kennington, London Properties
Crafted With Precision for Local Homes
Authentic Design Features for Kennington Homes
Our sash windows are meticulously designed to replicate the traditional timber windows found in Kennington, London while incorporating modern materials and techniques for superior performance.
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Slim 35mm Midrail
Elegant, slim profile that maximizes glass area while maintaining authentic proportions.
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Mechanical Butt Joints
Traditional joinery techniques that create authentic corner details without visible welding.
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Seamless Sash Horns
Optional decorative sash horns that replicate traditional timber window details.
Traditional Styling
Crafted for Kennington, London homes
Sash Windows Gallery in Kennington, London
Recent Kennington Sash Window Installations
Browse our portfolio of recently completed sash window installations in Kennington and surrounding areas. Each project showcases our commitment to quality craftsmanship and attention to detail for local properties.
Premium timber sash windows installed in Kennington home
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A-rated energy efficient sash windows for Kennington, London property
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Traditional box sash windows enhancing Kennington period home
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Modern sash windows fitted in Kennington, London town house
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Georgian style sash windows for Kennington conservation property
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High-security sash windows with heritage appeal in Kennington, London
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Authentic sliding sash windows in Kennington Victorian home
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Double-glazed sash windows for Kennington, London period property
Frequently Asked Questions About Kennington Sash Windows
Everything you need to know
Find answers to common questions about sash windows installation and replacement in Kennington, London
Still have questions?
Our local Kennington window experts are here to help you with any specific questions or requirements about sash windows for your property.
Kennington Customer Testimonials
Hear from our satisfied clients
"The quality of Harrington's sash windows is exceptional. They've perfectly matched our period property's style while providing modern insulation. Couldn't be happier with the results and the professional installation."
William Thompson
Kennington, London
"After researching several companies, we chose Harrington Windows for our conservation area property in Kennington. Their knowledge of local requirements and attention to detail was outstanding. The windows look beautiful."
Victoria & Jonathan Harris
Kennington
4.9 out of 5
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4.8 out of 5
No obligation • Free consultation
Sash Window Specialists in Kennington, London
Find Us in Kennington
Our sash window installation services cover all areas in and around Kennington. We provide free consultations and on-site measurements throughout Kennington, London.
Service Area
Kennington, London and surrounding areas
Hours
Mon-Fri: 9am-5pm
Sat: 10am-4pm
Areas We Serve in London
Our Sash Window Services Near Kennington
We provide our premium sash window services throughout London, including Kennington and the following nearby areas:
Not seeing your area?
We serve many more locations in and around London. Contact us to check if we cover your specific area.
Ready to Transform Your Kennington Home?
Get started with a free consultation and quote. Our Kennington experts are ready to help you find the perfect sash windows for your home.
No-obligation quotes
Free Kennington home consultation
10 Year Guarantee
Sash Windows in Kennington - Local Expertise Since 1995
Our Kennington sash window specialists have decades of experience installing and restoring period windows throughout Kennington, London. We cover all areas in Kennington, including Kennington Park, Oval, Vauxhall, and Walworth and Elephant and Castle (London).
Kennington Architecture & Conservation
Kennington features georgian squares and victorian terraces with notable public buildings. that require specialized sash window solutions. Our timber and uPVC sash windows are designed to complement the distinctive character of Kennington homes, whether in conservation areas or modern developments. Kennington Conservation Area protects period architecture. Our team has extensive experience working with local planning authorities to ensure compliance.
Sash Windows for Kennington Weather Conditions
Our sash windows are specifically engineered to withstand Kennington, London's local climate challenges. We offer enhanced weatherproofing for London's urban environment, superior thermal insulation for winter comfort, and optional solar control glass for south-facing properties in Kennington. Our sash windows achieve A+ energy ratings, reducing heating costs by up to 40% - particularly valuable for period properties in Kennington, London.
Popular Sash Window Choices in Kennington
Kennington homeowners typically choose from our heritage timber sash windows for conservation properties, energy-efficient uPVC sash windows for modern homes, and our premium composite options for the perfect balance of aesthetics and performance. All our Kennington installations come with a comprehensive 10-year guarantee and are fitted by our local specialists who understand the unique requirements of Kennington, London properties.
Ready to Transform Your Kennington Home?
Get started with a free consultation and quote. Our Kennington experts are ready to help you find the perfect sash windows for your home.
No-obligation quotes
Free Kennington home consultation
10 Year Guarantee