Key Product Features

Our seamless sash windows are a fantastic addition to any home. If you would like to learn more about our products, please contact a member of our team. Alternatively, start a quote with us today!

Highly Secure Multi-Point Locking Systems

We install windows that come with a multi point locking system and shoot bolts that provide trusted security for you and your loved ones. With steel reinforced frames, internal beading and exceptional welding, you can bet your house that our seamless sash windows will never be a weak point in your home.

Excellent Energy Efficiency

Our high grade uPVC profiles are manufactured to offer superior energy efficiency. That means less heat is transferred through the profile, ensuring your Lincoln home’s living space is more comfortable and stable. They are even designed to keep out all elements – fully weatherproof, they protect your home from rain, wind and anything else the British weather can summon.

Stunning Colour Range

We offer more than a great selection of colours – we let homeowners choose from a collection of decorative glazing and hardware options, giving you complete control over how the window will look in your Lincoln home.

Transform Your Home's Look: Explore Our Window Colour Selector - Preview Our Extensive Range of Exterior and Interior Shades.

Single Colours

Our single colours are readily stocked and available with quick turnarounds.

Chartwell Green
Black Ash
Anthracite Grained
Nut Tree
Irish Oak
Classic Cream
Golden Oak
White Grain

Dual Colours

Enjoy interior and exterior customisation, as well as shorter delivery times with our stunning dual colour options.

Heritage Colours

Available for fast dispatch, our heritage colours offer shorter delivery times.

Premium Colours

Providing exceptional quality and individuality, our non stocked premium colour are available at an additional cost with extended lead times.


Our Most Popular Colours

Thanks to our in-house spraying facility, we are able to supply uPVC seamless sash windows in over 250 RAL colours in satin finish. For colour frames, we offer fast turnarounds for uPVC casement windows in virtually any colour.

Get An Instant Seamless Sash Window Quote

Get a completely free quote for our Seamless Sash windows today!

Explore Our Virtual Showroom

Can't make the journey to our showroom? We've replicated our products virtually. Whether you're interested in uPVC windows, aluminium doors or other products, we've uploaded all our profiles for you to view from the comfort of your home or on the go. Take a look below!

Benefits of Our Seamless Sash Windows

Robust Design

Thermally Efficient

Seamless Sash and StyleLine

Fully Bespoke Styles

Traditional Aesthetics, Modern Performance

Seamless sash windows are made with the most advanced uPVC manufacturing techniques, offering the best performance to our customers in Lincoln and the surrounding areas. Our unrivalled seamless sash designs are supplied by Starglaze, guaranteeing homeowners enjoy the highest quality uPVC profiles. We put our seamless sash windows through rigorous testing to ensure it performs at the highest level when installed in your home.

Here at Starglaze, we are proud to offer a range of colours and hardware options, giving you bespoke designs guaranteed to complement your property. The seamless sash window features stunning aesthetics that look great in modern and more traditional homes. With ultra slim sightlines, you enjoy better views and an elegant window design that enhances the look and feel of your home. Our modern manufacturing process and advanced machinery result in a seamless sash window that looks and performs at the top of its game.

Superior Design

Our seamless sash windows are fabricated with cutting edge technology that guarantees their performance and longevity. They perform with the most up to date features but retain the charm and classic style of 19th century windows. This ensures Lincoln homeowners enjoy modern performing windows that look traditional and stylish. That makes our seamless sash designs ideal for homeowners looking to renovate their properties and improve performance.

We are delighted to offer a great range of other windows and doors that complement our seamless sash windows, giving you an excellent choice of styles when you are investing in your home.

Download Your Brochure

Don’t forget to download a brochure. They’re packed with plenty of additional information, including technical information, detailed colour swatches and photos for inspiration.


Visit Our Stunning Showroom

Booking an appointment to visit our showroom can help you find the perfect product for your home.


Save On Your Energy Bills

Start considering your energy efficiency and sustainability, and even save on your energy bills by making the switch to our products and services.


Flawless Finish

All seamless sash windows are carefully checked to ensure they meet the highest standards. The precision finish to the sash ensures smoothness and enhanced performance like nothing else on the market. When you choose one of our seamless sash windows, you enjoy complete peace of mind that you are getting the highest quality in every department.

Simply put, seamless sash windows are a cut above the standard uPVC window you see on the market. They improve your home’s energy efficiency, security and looks while being ultra low maintenance. All in all, they provide a sure fire way to increase your quality of life and the value of your Lincoln property. It really makes it a no brainer when coming to select your next window – the seamless sash has it all.

Why Choose Starglaze?

  • Fully Accredited
  • Superior Looks
  • Stronger Design
  • A-Rated as Standard
  • Authentic Decorative Features
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Hard Wearing

Perfect for every season and weather conditions, our seamless sash windows offer excellent durability for years of enjoyment to come.

Bespoke Design

Design the perfect seamless sash window for your home with the high customisability they offer all homeowners throughout Lincolnshire.

Traditional Aesthetics

Choose from a variety of stunning colours and materials to create the perfect traditional, contemporary or modern look for your home.

Highly Secure

Gain new peace of mind with the installation of our seamless sash windows which utilise multi-point locking systems to secure your home both night and day.

Use our energy calculator to find out how much you could save on your energy bills!

Energy Saving Calculator

Use our energy calculator to find out how much you could save on your energy bills!

Seamless Sash Window Prices Lincoln

Here at Starglaze, we like to offer our customers luxurious Seamless Sash Windows at respectable prices. We are highly competitive when it comes to double glazing costs in Lincoln and Lincolnshire, and our Seamless Sash Windows are no exception.

You can give our helpful team a call on 01522 512020 for a bespoke Seamless Sash Window quote or double glazing quote, or complete our contact form to get in touch online. Our helpful team will be in touch shortly to assist you with your enquiry. Alternatively why not try our online quoting engine for a guide price in moments.

Or click the button below to start your quote for our Seamless Sash Windows.



frequently asked questions

Do sash windows add value to a home?
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