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Trusted Windows & Doors Installation in London
Established over 25 years ago, Henry & Sons is a family-run business specialising in the supply and installation of high-quality windows and doors across London. Our team combines traditional family values with cutting-edge technology to deliver industry-approved glazing solutions tailored to residential and commercial properties. We offer a comprehensive range of products including uPVC, aluminium, and timber options, all certified for performance and security. With a commitment to exceptional service, we provide free surveys, competitive pricing, and full guarantees on all workmanship. Our experienced installers adhere to strict health and safety standards, ensuring every project meets exacting specifications.

Featured in Real Homes magazine, we pride ourselves on delivering bespoke solutions that enhance property aesthetics and energy efficiency. Our direct employment model guarantees uniformed professionals in marked vehicles, providing transparency and reliability from consultation to completion. Customer testimonials highlight our dedication to exceeding expectations through meticulous attention to detail and post-installation support. As a fully insured and accredited provider, we maintain rigorous quality control across all glazing installations. Our portfolio spans from period property renovations to modern commercial developments, demonstrating versatility in meeting diverse architectural requirements.
Services
uPVC Windows Aluminium Doors Timber Windows Bi-Fold Doors Sliding Doors Shop Fronts Secondary Glazing Skylights
Highlights and features
  • We have over 25 years of experience in the glazing industry
  • We focus on providing only certified and quality tested products
  • We offer free quotes, free surveys, and all work is guaranteed
  • Our double glazing contractors are employed directly by us
  • We work to industry standards with strict health and safety compliance
What people say
Fantastic service Helpful and polite Fantastic job Excellent thermal insulation Complete peace of mind
Services
uPVC Windows
Our uPVC windows combine modern insulation technology with classic aesthetics. Available in multiple styles including casement, sash, and tilt-and-turn designs, these energy-efficient windows reduce heat loss while maintaining property character. All installations meet current building regulations with 10-year performance guarantees.
Aluminium Doors
Contemporary aluminium doors offer slim sightlines with maximum glass area. We supply and install thermally broken systems that prevent cold bridging, available in custom colours with multi-point locking mechanisms. Ideal for both residential and commercial applications requiring modern security standards.
Bi-Fold Doors
Create seamless indoor-outdoor spaces with our precision-engineered bi-fold systems. Available in timber, aluminium, or composite materials, these doors feature low-threshold designs for accessibility. Custom configurations accommodate openings up to 6 metres with weather-tight seals for year-round use.
Secondary Glazing
Enhance thermal efficiency and noise reduction in existing windows with our discreet secondary glazing solutions. Ideal for listed buildings and conservation areas, these systems install internally without altering original window structures. Achieve up to 70% noise reduction and significant energy savings.
Skylights
Maximise natural light with our thermally efficient aluminium skylights. Available in pyramid, flat, and bespoke shapes with self-cleaning glass options. Designed for watertight installation in pitched or flat roofs, these units improve ventilation while maintaining year-round temperature control.
Questions
What types of windows do you supply and install?
We offer uPVC, aluminium, and timber windows in various styles including casement, sash, and tilt-and-turn designs.
Do you provide services for commercial properties?
Yes, we install shop fronts, commercial doors, and glazed partitions for businesses across London.
Are your installations guaranteed?
All our work comes with comprehensive guarantees covering both materials and installation workmanship.
Can you help with noise reduction solutions?
Our secondary glazing systems reduce external noise by up to 70% while improving thermal efficiency.
Do you offer emergency repair services?
We prioritise urgent cases but recommend contacting us during normal working hours for prompt assistance.