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Expert Window Installation & Repair Services in Fareham
Established over three decades ago, 1st Double Glazing has built a reputation for delivering high-quality installation and repair services across Fareham, Gosport, and Portsmouth. Our expertise spans double glazing, window replacement, uPVC installations, and conservatory construction, ensuring solutions tailored to both modern and heritage properties. We prioritise compliance with safety and ventilation regulations while offering competitive pricing and a no-quibble guarantee.

Our commitment to excellence extends to secondary glazing, soffits, and gutter services, backed by a dedicated after-sales team. With decades of hands-on experience, we ensure every project meets exacting standards, from initial consultation to final installation.
Services
Double Glazing Installation Window Repair Door Replacement Conservatory Construction Secondary Glazing Soffits & Gutters Handles Hinges Glazing Units Condensation Solutions
Highlights and features
  • We have over 30 years of experience in double glazing and window installation.
  • We offer competitive pricing on a wide range of entrance doors.
  • Our installations comply with all current safety and ventilation regulations.
  • We provide a no-quibble guarantee and dedicated after-sales service.
  • We specialise in secondary glazing for listed buildings and noise-sensitive areas.
Services
Double Glazing Installation
We install energy-efficient double glazing systems that enhance thermal insulation and security. Our solutions comply with current safety regulations and are tailored to suit both modern and traditional properties. Customers benefit from reduced energy bills and improved home comfort.
Window Repair
Our repair services address fogged units, broken locks, and damaged hinges for UPVC and aluminium windows. We restore functionality while maintaining aesthetic consistency. Homeowners gain cost-effective solutions that extend the lifespan of existing installations.
Door Replacement
We supply and fit uPVC and composite doors with enhanced security features. Installations ensure long-term durability and weather resistance. Customers receive expert fitting backed by a no-quibble guarantee for complete peace of mind.
Conservatory Construction
We build custom conservatories using high-quality materials and precision installation techniques. Our team ensures structural integrity and thermal efficiency. Homeowners enjoy seamless integration with existing properties and extended living spaces.
Secondary Glazing
We install secondary glazing systems for listed buildings and noise-sensitive areas. This solution improves thermal efficiency and acoustic insulation without altering original windows. Customers benefit from preserved architectural integrity with modern performance benefits.
People
Simon Willson
Owner
Simon Willson brings over 30 years of hands-on experience in double glazing and window installation. He oversees all projects personally, ensuring compliance with safety standards and customer satisfaction. His expertise covers both modern and heritage properties across the local area.
Questions
What areas do you serve?
We operate throughout Fareham, Gosport, and Portsmouth, providing installation and repair services for windows, doors, and conservatories.
Do you offer emergency repair services?
We do not provide emergency services but aim to respond promptly to all repair requests during regular working hours.
What types of doors do you install?
We supply and fit uPVC and composite entrance doors with enhanced security features and weather-resistant finishes.
Can you help with listed building requirements?
Yes, we specialise in secondary glazing solutions that preserve original windows while improving insulation for listed properties.
What guarantees do you offer?
All installations come with a no-quibble guarantee and dedicated after-sales support to address any post-completion concerns.
How do I get a quote?
Contact us via phone or email to request a free, no-obligation quote for your specific glazing requirements.