Double glazing has become one of the most important home improvements for property owners across Surrey. From period homes in Guildford and Farnham to modern developments in Woking, Epsom, and Reigate, homeowners are increasingly investing in energy-efficient windows and doors to improve comfort, security, and property value.
With rising energy bills and growing awareness around insulation and sustainability, replacing old windows is no longer just about appearance — it’s about long-term savings and home performance. However, choosing the right installer is just as important as selecting the right windows.
Surrey has a highly competitive market filled with local specialists, family-run businesses, and established glazing companies. Some focus on premium aluminium systems, while others specialise in affordable uPVC installations or heritage-style timber windows.
This guide explores some of the best double glazing companies in Surrey based on reputation, customer reviews, product quality, services offered, and industry experience.
Why Double Glazing Is Important
Modern double glazing uses two panes of glass separated by an insulating gap filled with air or gas. Compared to old single-glazed windows, the benefits are substantial.
Advantages include:
- Lower heating bills
- Improved thermal insulation
- Reduced external noise
- Better home security
- Reduced condensation
- Increased property value
- Enhanced kerb appeal
- Improved energy efficiency ratings
For homeowners in Surrey — especially those near busy commuter routes or airports such as Heathrow and Gatwick — sound insulation is another major benefit.
Many newer systems also come with:
- Low-E glass coatings
- Argon gas-filled units
- Multi-point locking systems
- A-rated energy performance
When choosing a company, homeowners should also check for FENSA or CERTASS accreditation and ensure guarantees are insurance-backed.
Best Double Glazing Companies in Surrey
1. Sheerwater Glass
Based in Guildford, Sheerwater Glass is widely regarded as one of Surrey’s leading glazing specialists. The company has been serving Surrey homeowners since the 1970s and has developed a strong reputation for craftsmanship, customer service, and high-quality installations.
The company offers:
- uPVC windows
- Aluminium systems
- Conservatories
- Bespoke glass products
- Repairs and maintenance
- Slimline glazing systems
One standout feature is their exclusive slimline uPVC window range, designed to maximise glass area while maintaining strong insulation performance. Their products are also highly energy efficient, with A+ rated options available.
Customers regularly praise the company’s professionalism, showroom experience, and installation quality. With hundreds of reviews and a long-standing local presence, Sheerwater Glass remains one of Surrey’s safest choices for homeowners.
Best for:
- Premium installations
- Conservatories
- Bespoke glazing projects
- Long-established reliability
2. The Surrey Glazing Company
The Surrey Glazing Company has become one of the county’s fastest-growing independent installers thanks to excellent customer feedback and a personalised approach.
The business specialises in:
- Double glazing
- Triple glazing
- Composite doors
- Bifold doors
- Aluminium systems
Many homeowners choose smaller independent firms because of their attention to detail and customer service, and The Surrey Glazing Company excels in this area.
The company maintains outstanding customer ratings and has developed a reputation for:
- Honest advice
- Competitive pricing
- Clean installations
- Responsive communication
Its growing popularity across Surrey makes it one of the strongest local options available.
Best for:
- Personalised service
- Modern home upgrades
- Competitive pricing
3. Jewel Windows – Double Glazing Specialists in Woking & Surrey
Jewel Windows is one of Surrey’s best-known glazing companies and has been serving the region for many years.
The company provides:
- Double glazed windows
- Composite doors
- Patio doors
- Bifold doors
- Conservatories
- Roofline products
Jewel Windows is particularly popular with homeowners carrying out larger renovation projects because of its broad product range and experienced fitting teams.
The company also places a strong focus on energy efficiency and security, both of which are major priorities for Surrey homeowners today.
With strong customer reviews and an established reputation in Woking and surrounding areas, Jewel Windows is considered one of the county’s leading full-service installers.
Best for:
- Full property renovations
- Family homes
- Large glazing projects
4. 1st Glass Windows Ltd
Located in Whyteleafe, 1st Glass Windows Ltd has earned an excellent reputation throughout Surrey and South London.
The company offers:
- uPVC windows
- Aluminium systems
- Conservatories
- Doors
- Roofline products
Customers frequently mention:
- Excellent workmanship
- Friendly installers
- Reliable timelines
- Strong aftercare support
The business is particularly well regarded for balancing affordability with quality, making it ideal for homeowners who want reliable installations without premium-level pricing.
Their consistently strong reviews suggest a company focused heavily on customer satisfaction and long-term service quality.
Best for:
- Mid-range budgets
- Reliable installations
- Customer support
5. Surrey Windows & Doors Ltd
Surrey Windows & Doors Ltd has become a respected name for modern glazing solutions across the county.
The company supplies:
- Composite entrance doors
- Energy-efficient windows
- Sliding doors
- Bifold systems
- Contemporary aluminium frames
One area where the company stands out is modern aesthetics. Homeowners undertaking stylish renovations or extensions often choose Surrey Windows & Doors because of its sleek product range and contemporary finishes.
The business also maintains excellent customer feedback and a strong local reputation.
Best for:
- Contemporary homes
- Aluminium glazing
- Stylish property upgrades
6. Swift Windows Ltd
Swift Windows Ltd is another highly rated Surrey installer known for professional service and dependable installations.
The company focuses on:
- Double glazing
- Conservatories
- Doors
- Window replacements
- Energy-efficient systems
Customers regularly highlight:
- Punctuality
- Friendly staff
- High-quality workmanship
- Transparent pricing
As energy costs continue rising in the UK, many Surrey homeowners are prioritising thermal performance. Swift Windows provides modern energy-efficient glazing systems designed to reduce heat loss and improve home comfort.
Best for:
- Energy-efficient upgrades
- Reliable customer service
- Family homes
7. Surrey Alpine Windows
Surrey Alpine Windows has built an excellent reputation for premium glazing installations and high-end customer service.
The company offers:
- Double glazed windows
- Triple glazing
- Conservatories
- Composite doors
- Bespoke glazing solutions
One reason homeowners choose Surrey Alpine Windows is the company’s focus on tailored installations rather than generic products.
Their strong review scores indicate consistently high installation standards and customer satisfaction.
Best for:
- Premium installations
- Bespoke designs
- Triple glazing
8. Dorking Glass – Quality Windows & Doors
Serving Dorking and surrounding areas, Dorking Glass has become one of Surrey’s most respected independent glazing companies.
The business focuses heavily on:
- Quality workmanship
- Local customer service
- Traditional and modern glazing
- Window replacements
- Door installations
Homeowners often praise the company’s reliability and attention to detail.
Independent firms like Dorking Glass are often preferred by customers looking for a more personalised experience compared to large national chains.
Best for:
- Local expertise
- Traditional properties
- Personal service
9. Skyway Windows Ltd (Surrey)
Skyway Windows Ltd has become increasingly popular for high-quality installations and responsive customer support.
The company provides:
- Double glazing
- Triple glazing
- Bifold doors
- Aluminium windows
- Composite doors
Its excellent review ratings suggest strong customer satisfaction across both installation quality and communication.
The company is particularly popular among homeowners modernising properties or adding contemporary extensions.
Best for:
- Modern renovations
- Aluminium systems
- Home extensions
10. GHI Windows
GHI Windows is another respected Surrey installer with strong customer reviews and a reputation for high-quality workmanship.
The business supplies:
- uPVC windows
- Composite doors
- Conservatories
- Energy-efficient glazing
Customers frequently praise the company’s reliability and professionalism.
For homeowners wanting a trusted local installer with experience across multiple property styles, GHI Windows remains an excellent option.
Best for:
- Traditional family homes
- Reliable installations
- Long-term durability
Other Notable Double Glazing Companies in Surrey
Several additional companies also deserve consideration:
- Astral Security Windows: Double Glazing Surrey — Well known for secure glazing systems and home security upgrades.
- Farnham Double Glazing — Strong local reputation in West Surrey.
- Century Windows Ltd — Popular independent installer in Woking.
- Chertsey Double Glazing — Smaller local specialist with excellent customer reviews.
- Surrey Glass & Glazing – Window Repair — Excellent for repairs and emergency glazing services.
What to Look for in a Double Glazing Company
1. Accreditation
Always choose a company registered with:
- FENSA
- CERTASS
- TrustMark
Accreditation helps ensure installations comply with UK building regulations.
Many Surrey glazing firms prominently advertise these credentials.
2. Guarantees
A reputable installer should provide:
- Product guarantees
- Installation warranties
- Insurance-backed protection
Some Surrey companies offer 10-year guarantees as standard.
3. Product Quality
The best glazing companies supply:
- A-rated windows
- Argon-filled units
- Low-E glass
- Multi-point locking systems
Energy efficiency is now one of the most important considerations for UK homeowners.
4. Customer Reviews
Review scores often reveal:
- Installation quality
- Reliability
- Communication
- Aftercare service
Companies such as Sheerwater Glass, The Surrey Glazing Company, and 1st Glass Windows Ltd consistently receive strong customer feedback.
Average Double Glazing Costs in Surrey
Prices vary depending on frame material, installation complexity, and property size.
Typical Surrey pricing includes:
| Product | Average Cost |
|---|---|
| uPVC window | £500–£900 |
| Aluminium window | £900–£1,800 |
| Composite front door | £1,200–£2,500 |
| Sliding patio doors | £2,000–£5,000 |
| Bifold doors | £3,000–£8,000 |
| Conservatory | £10,000+ |
Many companies offer free surveys and quotations.
Is Triple Glazing Worth It?
Several Surrey companies now provide triple glazing as demand for ultra-efficient homes grows.
Triple glazing offers:
- Better insulation
- Reduced noise
- Improved thermal performance
However, triple glazing costs more than standard double glazing and may not always deliver enough additional savings to justify the price in milder parts of southern England.
For most Surrey homes, high-quality double glazing remains the best balance between performance and affordability.
Final Thoughts
Surrey has an outstanding selection of double glazing companies ranging from premium bespoke installers to highly rated local independents.
For premium projects and long-established expertise, Sheerwater Glass remains one of the county’s strongest choices.
For personalised service and excellent customer care, The Surrey Glazing Company and Dorking Glass – Quality Windows & Doors are excellent options.
For modern aluminium systems and stylish renovations, Surrey Windows & Doors Ltd and Skyway Windows Ltd (Surrey) stand out.
The best approach is always to:
- Compare multiple quotes
- Check accreditation
- Read customer reviews
- Review warranties carefully
- Visit showrooms where possible
With the right installer, double glazing can significantly improve your Surrey home’s comfort, appearance, energy efficiency, and long-term value for many years to come.
