Business Details
29 Years
experience
Trusted Double Glazing & UPVC Windows in Glasgow
Established in 1997, we are a family-run business specialising in supplying and installing double glazing, UPVC windows, and doors across Glasgow. Our team of highly skilled tradesmen, each with over a decade of experience, adheres to Rehau's rigorous standards, ensuring exceptional craftsmanship and customer care. All our products are custom-made to meet individual requirements, from sash windows to composite doors, with a commitment to quality that has earned us a 10-year guarantee. We have completed installations in over 15,000 homes, with 85% of our business stemming from customer recommendations.Our owner, Russell Gavin, provides swift 30-minute quotations without pressure sales, alongside comprehensive aftercare. Our energy-efficient A-rated windows reduce heating costs, while our acoustic, security, and weather-tested products ensure comfort and safety. We prioritise sustainability through recyclable UPVC and a strict recycling policy, combining environmental responsibility with durable, low-maintenance solutions.
Services
Double Glazing
UPVC Windows
UPVC Doors
Sash Windows
Composite Doors
Energy-Efficient Windows
Acoustic Performance Windows
Security-Tested Doors
Weather-Tested Products
Custom-Made Solutions
Details
- Year established: 1997
Highlights and features
- We offer 25+ years of expertise in Glasgow's window and door solutions.
- Our Rehau-certified team ensures top-tier craftsmanship.
- Custom-made products tailored to your specific requirements.
- Quick 30-minute quotations with no pressure sales.
- Energy-efficient A-rated windows for reduced heating bills.
Associations and certifications
- Rehau
- BS7412
Services
Double Glazing
Our double glazing units, manufactured by Pilkington, combine low-e glass and argon gas to minimize heat loss. Ideal for reducing energy bills and noise pollution, they meet BS7412 standards for thermal efficiency. Perfect for homeowners seeking comfort, security, and sustainability in Glasgow's climate.
UPVC Windows
Custom-made UPVC windows offer durability, low maintenance, and energy efficiency. Available in various styles and colours, they enhance property aesthetics while meeting Secured by Design criteria. A cost-effective solution for modernizing homes with minimal environmental impact.
Composite Doors
Composite doors blend uPVC, wood, and insulating foam for superior strength and thermal performance. Tested to highest security standards, they resist forced entry and weather damage. Available in wood-effect finishes, they combine safety with timeless design appeal.
Sash Windows
Sash windows replicate classic aesthetics with modern uPVC benefits. Their tilt-and-turn mechanism ensures ventilation and safety. Ideal for period properties in Glasgow, they maintain architectural integrity while improving energy efficiency and noise reduction.
Energy-Efficient Windows
A-rated energy-efficient windows reduce heating costs by up to 50%. Featuring Pilkington energiKare technology, they optimize solar gain and minimize heat escape. Certified by the British Fenestration Rating Council, they deliver long-term savings and environmental benefits.
People
Russell Gavin
Owner
Russell Gavin, owner of Southside Windows, brings over 25 years of expertise in window and door solutions. He prioritizes customer satisfaction with quick, no-pressure quotations and personalized service. His leadership ensures high-quality installations and aftercare support.
Questions
What services do you offer?
We specialize in double glazing, UPVC windows and doors, sash windows, composite doors, and energy-efficient glass solutions tailored to Glasgow properties.
Are your windows energy efficient?
Yes, our A-rated windows use Pilkington energiKare™ technology to reduce heat loss and lower energy bills by up to 50%.
Do you provide guarantees?
All installations come with a 10-year Rehau-backed guarantee for quality and performance.
How long does installation take?
Most installations complete within a day, with minimal disruption to your home or schedule.
Can I customize my windows and doors?
Yes, we offer bespoke designs in various colours, finishes, and styles to match your property's aesthetic.
