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Trusted Double Glazing Solutions in Winchester
County Windows has been a trusted name in home improvement solutions for over three decades. Specialising in the supply and installation of high-quality windows, doors, conservatories, and roofline products, we combine cutting-edge technology with traditional craftsmanship to deliver durable, energy-efficient solutions. Our team of experienced professionals serves Hampshire, Dorset, Surrey, West Sussex, and Wiltshire, offering tailored advice and installations that meet both modern standards and heritage requirements. Accredited by industry-leading bodies like DGCOS, we prioritise British-made materials and maintain rigorous quality control to ensure every project exceeds expectations.

With two purpose-built showrooms in Winchester and Bournemouth, we provide hands-on demonstrations of our extensive product range, from uPVC and aluminium to timber frames. Our commitment to customer satisfaction is reflected in our 28-day quotation period, no-pressure sales approach, and comprehensive aftercare. Every installation is backed by decades of technical expertise, ensuring homes across the south benefit from secure, thermally efficient upgrades that enhance both comfort and property value.
Services
Double Glazing Conservatory Installation Roofline Replacement Composite Doors Aluminium Bi-Fold Doors Timber Windows Garage Doors Fascias & Soffits Glass Conservatory Roofs Tiled Conservatory Roofs
Highlights and features
  • We offer over 30 years' experience in bespoke window and door installations
  • All materials sourced and manufactured in Britain to exacting standards
  • Expert installation teams with proven track records in complex projects
  • Comprehensive 28-day quotation period with no pressure sales tactics
  • Accredited by industry-leading body DGCOS for quality and service excellence
Associations and certifications
  • DGCOS
What people say
Efficient and tidy installations Excellent craftsmanship Professional teams No pressure selling Thorough attention to detail
Services
Double Glazing
Our double glazing solutions combine advanced thermal efficiency with robust security features. Using A+ rated profiles and multi-point locking systems, we deliver uPVC, aluminium, and timber window options that reduce energy bills while enhancing property aesthetics. Each installation incorporates draught-proofing and noise reduction technologies tailored to both modern and heritage buildings.
Conservatory Installation
We create bespoke conservatories that extend living spaces while maintaining year-round comfort. From traditional Victorian designs to contemporary glass-roofed structures, our installations feature thermally efficient glazing and optional solid roof conversions. All projects include structural calculations and building regulation compliance to ensure durability and added property value.
Roofline Replacement
Our roofline systems protect properties against weather damage using maintenance-free uPVC components. The range includes fully ventilated soffits, heavy-duty guttering, and reinforced fascias available in multiple colours. Each installation prevents water ingress while improving exterior aesthetics through seamless, warp-resistant materials.
Composite Doors
Our composite doors offer superior security and thermal performance with multi-layer construction. Available in traditional and modern styles, they feature Yale locking systems, low-maintenance GRP skins, and optional glazing panels. Each door undergoes rigorous testing for weather resistance and forced entry protection to meet Secured by Design standards.
Aluminium Bi-Fold Doors
These space-saving doors create seamless transitions between indoor and outdoor areas. The slim-profile aluminium frames allow maximum glass area while maintaining structural integrity. Custom configurations include corner options and integrated drainage systems, with thermal breaks ensuring energy efficiency in both contemporary and period properties.
Questions
What areas do County Windows cover?
We operate across Hampshire, Dorset, Surrey, West Sussex, and Wiltshire, with showrooms in Winchester and Bournemouth serving local communities.
Are your installers certified professionals?
All our installation teams hold industry-recognised certifications including DGCOS accreditation, with decades of combined experience in home improvement projects.
How long does a typical conservatory installation take?
Most conservatory projects complete within 3-5 working days, with larger installations like orangery extensions requiring up to two weeks depending on complexity.
Do you offer guarantees on your products?
We provide comprehensive guarantees including 10-year manufacturer warranties on materials and 2-year workmanship guarantees on all installations.
Can I view products before ordering?
Our Winchester and Bournemouth showrooms display full product ranges, with appointment-only access allowing detailed consultations with our design specialists.
How do you handle planning permission requirements?
Our team provides full guidance on planning regulations, with expertise in heritage property installations and permitted development compliance across southern England.
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