Replacement Windows for Doors: How I Upgraded My Surrey Home

If you’re considering replacement windows for doors in your home, you’re not alone. At Sheerwater Glass, we know how vital it is to have efficient, stylish, and secure windows and doors.

Many homeowners face the same questions and concerns when it comes to upgrading their home fixtures. Here, we’ll explore everything you need to know and why they’re essential, and how to choose the best options for your home.

Energy Efficiency

Double glazing is an excellent solution for improving energy efficiency in your home. Energy efficient windows not only help reduce your energy bills but also enhance the comfort and security of your living space, so having them in your doors really is the best option.

Why Consider Replacement Windows?

Energy Efficiency
One of the primary reasons to replace windows and doors is to improve energy efficiency. Old windows often suffer from issues like drafts and condensation between glass panes, causing your heating and cooling systems to work harder and increasing your energy bills​​.

Replacing windows to double glazing can significantly help your energy efficiency and lead to substantial cost savings over time. Modern replacement windows and doors offer better insulation, helping to keep your home comfortable year-round.


New windows and doors come with advanced security features that older models simply don’t have. These features provide added peace of mind, ensuring that your home is well protected against intruders.

Kerb Appeal

Replacing your windows and doors can significantly enhance the kerb appeal of your home. With a wide range of styles and finishes available, you can choose options that perfectly complement your home’s look and interior design​.

White Composite Door with windows

Types of Replacement Windows and Doors

Entry Doors

Front and Back Doors
These doors are crucial for both security and style. They come in various materials, including timber, composite, uPVC, aluminium, each offering unique benefits​.

Sliding Patio Doors These doors provide a seamless connection between your indoor and outdoor spaces, allowing natural light to flood your home while providing easy access to your garden or patio​.

French Doors French doors add a touch of elegance with their double-door design. They are durable and ideal for creating an open, airy feel between indoor and outdoor areas​.

Bifold Doors Bifold doors are perfect for maximising space and creating a modern look. They fold neatly to one side, making them ideal for wide openings​.

Slimline Windows Green door

Choosing the Right Energy Efficient Windows

Casement Windows

Benefits uPVC casement windows are hinged on one side and open outward. They offer excellent ventilation, are easy to clean, and are a cost-effective option for homeowners, making them a popular choice for many.

Sash Windows

Benefits Sash windows, known for their vertical sliding operation, add a classic charm to any home. They are often found in period properties and are appreciated for their classic design, although they tend to be more expensive than casement windows.

Tilt and Turn Windows


Tilt-and-turn windows provide flexibility with two opening options: tilting inwards from the top for ventilation or opening fully inwards like a door for easy cleaning. With the option of double or triple glazing, these windows offer enhanced energy efficiency and insulation. They are highly functional and offer a modern look.

House with Slimline uPVC modern windows including Bay Windows in White Sheerwater Glass

Real Concerns and Questions

How much do replacement windows and doors cost? The cost varies depending on the type and number of windows and doors, the materials used, and any additional features. For example, replacing uPVC windows and composite doors depending on the fixtures, fittings and colour options, while aluminium or timber options could be more expensive.

Older properties with single-pane windows are less efficient and often require upgrading to modern double glazing for better performance.

What should I consider when choosing a company for installation? Look for a reputable company with a clear track record and plenty of positive reviews. Ensure they offer a wide range of styles and are certified installers to guarantee high-quality work and materials​.

Can new windows and doors really save on energy bills? Yes, modern windows and doors are designed to be energy-efficient. By reducing drafts and improving insulation, they can significantly lower your heating and cooling costs​. Triple glazing, in particular, offers enhanced thermal efficiency and soundproofing, making it a worthwhile consideration for further energy savings.

Composite Front Door Anthracite Grey and side window Sheerwater Glass

Stories from Homeowners

Jane’s Transformation in Guildford Jane replaced her old, draughty windows with new double-glazed casement windows from Sheerwater Glass. She noticed an immediate improvement in her home’s warmth and soon, a substantial decrease in her energy bills. The double glazing not only helped the energy efficiency but also fixed condensation issues, giving better insulation.

Mike’s Modern Upgrade in Woking Mike opted for sleek anthracite grey aluminium bifold doors to modernise his living space. The new doors provided a stunning view of his garden and made his home feel more spacious and contemporary.


Q: How long does it take to replace windows and doors?
A: The time for replacing windows and doors varies depending on the number and type being replaced, but typically, it can take a few days to a week for a complete installation​​.

Q: What maintenance do new windows and doors require?
A: Modern windows and doors are designed to be low-maintenance. uPVC and aluminium frames require minimal upkeep, while timber frames may need periodic painting or sealing​.

Q: Will new windows and doors help reduce my energy bills?
A: Yes, installing thermally efficient windows can significantly reduce your energy bills by improving insulation and reducing heat loss. These windows often come with certifications, ensuring compliance with building regulations and enhancing the quality and security of your home.

Blue Composite Front Door Sheerwater Glass


Choosing the right replacement windows and doors can transform your home, improving energy efficiency, security and overall appeal. Efficient windows can significantly reduce your energy bills and contribute to a more sustainable environment.

At Sheerwater Glass, we provide high-quality, stylish and secure options tailored to your needs.

Contact us today to discuss your project and get a free quote. Replacement windows for doors are a smart investment in your home’s future and we’re here to help you every step of the way.

For more information and to explore our range of products, visit Sheerwater Glass.

By Jessica Stevens

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Sheerwater Glass provides window installation and repairs throughout Surrey and the surrounding areas of our Woking showroom. If you’re interested in our services, we encourage you to check if we serve customers in your area by simply typing in your postcode.

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