About Us

Founded in 1974, Starglaze has been a family owned company for many, many years.

Since originally established, Starglaze has grown to be a manufacturer as well as a supplier of windows and doors, offering a complete home improvement service throughout Lincolnshire, Nottinghamshire, Newark and surrounding areas.



Our outstanding British made products and company professionalism has made us the go-to company for home owners looking for a great choice of products, exceptional services and competitive prices.

There are no high pressure sale tactics at Starglaze. Instead, our experienced and trained staff are happy to offer their professional advice whilst leaving you with a written quotation. Our honest and open approach with our customers means you are fully informed on the products you wish to buy.

Our design consultants will discuss your project with you whilst listening to what you want to achieve. They will then provide you with a quotation (subject to survey) for your considered project.

All the staff at Starglaze are committed to providing our customers with the highest standard of customer care. We continue to set an enviable level of service throughout the industry, providing our customers with the latest technology and designs. We provide quality replacement double glazing, having both the years of knowledge and expertise to install and replace any windows, doors, soffits or fascias.

Starglaze has built its name and reputation on the supply and manufacture of a quality range of products and services, with over 80% of our business being based on repeat customers and recommendations. We pride ourselves on this rare achievement in the current industry market.

As a family run company, family roots are at the core of our business and we look to ensure all our customers receive a friendly, personable and helpful service. One of the great benefits of choosing a local company such as ourselves, is that we are only phone call or short visit away if you need us.

From initial survey straight through to installation, our friendly and fully qualified staff will ensure you are looked after. Your home will be treated with the utmost care and will be protected with dust sheets. We will even move and protect furniture wherever necessary.

Our in-house surveyor teams will take detailed measurements so that all products fit perfectly whilst our installers will ensure all work is completed to a very high standard.

Fully insured and with years of experience, our installers hold a qualification in fenestration installation. All work is completed in accordance with the Glass and Glazing Federation’s Code of Practice.

All our customers are invited to visit our showroom in Lincoln to see all our products in greater detail if they have not already done so. Open 7 days a week, our extensive showroom houses all our market leading window and door designs. We have an exceptional range of products on display.

Our accessible showroom is easy to find and has free parking so why not come see our wide range of products on display today and find out just how competitive our prices really are. With over 75 years of combined experience, our knowledgeable sales team will be available to assist you with your enquiry.

We offer exceptional double glazing prices in Lincoln and Nottingham, all configured using our simple online quoting engine.

Just enter your style choices, measurements and details to receive competitive online prices! Exceptional prices, available from the comfort of your own home. We also offer our Price Match Promise on every order, as we’re sure we can’t be beaten on price!

We offer generous guarantees on our double glazing products, and only use the best materials to ensure great longevity.

We are part of Sternfenster (our sister company) which uses the latest machinery and technology to give you the best double glazing products in the industry. Sternfenster was the first fabricator in the UK to offer a seamless weld on uPVC windows and doors, leading the way in product innovation.

We have over 40 years of manufacturing experience, making us specialists in the trade. You can rely on us to give you quality products and service.

Our company is supported by many accreditations so you can choose us with confidence.

Our extensive certification has been achieved over many long years in the double glazing industry. We have been awarded the following accreditations for our quality service and products:

bsi kitemark
ggf accreditation

fensa accreditation

Here at Starglaze, your security is our priority. Our double glazed windows are internally beaded ensuring the highest possible security for your home against the most determined of would be intruders. Our incredibly strong composite doors utilise the latest multi-point locking systems to provide additional security. Our innovative designs are accredited by Secured by Design, a police-preferred specification recognising the resilience of our double glazing.



Our double glazing provides your home with an outstanding level of energy efficiency.

Our high-performance windows and doors are cleverly designed, fitted with A rated glass as standard.


With bespoke products and a vast range of double glazing, pricing can sometimes be tricky. Our online quotation tool can be used to receive a guide price, but we always like to follow up with a home visit, to get the price right for you.

We manufacture all of our products locally in our Lincoln factory, which is why we’re certain we won’t be beaten on price. However if you find a cheaper price within 7 days of placing an order, we’ll match the price!

View our Price Match Promise page today for more information.

As a thank you for being a loyal customer of Starglaze, we have teamed up with a number of local businesses who have agreed to provide you with extra discounts or perks when you use their services!

Our 80,000 square feet factory manufactures all our windows and doors using the very latest technology and machinery, ensuring the very best in terms of quality, efficiency and security.

We have an in-house toughening plant and two fully automated lines which manufacture over 3,000 sealed units every week. We are able to meet any colour specification thanks to our revolutionary in-house paint spraying facility.

We are very happy for our customers to make an appointment to have a look round our factory to see exactly how we make our products. You can also view our factory tour video below!

We believe in the value of local economy, which is why we endeavour to use local suppliers wherever possible.

At Starglaze, we also supply thousands of frames across the UK through the trading name, ‘Sternfenster.’ All our double glazing and home improvement products are manufactured in our state of the art factory in central Lincoln.

Sternfenster operates from an impressive 80,000 square feet state of the art factory which supplies high quality windows and doors to builders across the UK.

Sternfenster was the first fabricator in the UK to acquire a seamless welder from Graf Synergy, therefore revolutionising the way uPVC windows and doors are manufactured.

Home owners choose us for our product quality and broad range of styles.  We offer a comprehensive range of double glazing profiles including both uPVC and aluminium windows and doors.

All of our products are hand-finished, and all frames pass through a stringent quality control procedure.

As the only local installer of StyleLine, our double glazing products offer a unique appearance, using state-of-the-art seamless weld technology.

We have sourced the best products on the market to ensure our customers receive profiles of the highest quality. Our different style options include British and European industry leading profiles from R9, Smarts and Deceuninck.


We constantly seek out the latest designs and concepts, all bespoke made to your specifications in a wide range of styles and colours.

Home owners choose us for our product quality and broad range of styles.  We offer a comprehensive range of double glazing profiles including both uPVC and aluminium windows and doors.

We have sourced the best products on the market to ensure our customers receive profiles of the highest quality. Our different style options include British and European industry leading profiles from R9, Smarts, Deceuninck and Styleline.

Once you have made a free, no obligation appointment with us, one of our expert design consultants will then be in contact with you to organise a convenient moment to visit your home. We specialise in continuity of service, meaning that you will be able to speak to the person you spoke to over the phone, in person.

All our consultants are extremely experienced in their product knowledge and will assist you with any questions you may have. They will always try to arrange a mutually convenient appointment in order to confirm all designs and options you have requested. We even follow up our installations with courtesy calls, to ensure you’re happy with the results.

Our state of the art glass plant facility allows us to supply to a wide range of specialist glass units for windows, doors and conservatories roofs.

Our cost effective and energy efficient glass units comply with the very latest Window Energy Rating Guidelines.

We have our very own paint spraying facility which means we can quote, manufacture, spray and deliver coloured frames to our customers.

Choose from a wide selection of specialist colours and finishes, our diverse range allows us to match any specification.

Our aluminium workshop specialises in the manufacture of a wide range of quality aluminium windows and doors. Thermally broken, energy efficient and stylish, our aluminium products are available in an extensive range of RAL colour finishes.

When compared to uPVC, Aluminium is now specified more and more by architects and home owners for new build developments and extensions.

Stronger and with slimmer sightlines, our aluminium frames give you a larger glass area for a more contemporary, modern look.