Why Choose Us?

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High Quality

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Lead By Women

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60 Years Experience

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Affordable Pricing

About Gelstarr Windows

Welcome to Gelstarr Windows Ltd.

We were established in 2018 after being made redundant by our previous employer. Despite being a relatively young company, we have over 60 years of combined experience in the window industry.

Gelstarr Windows are suppliers of windows, doors and conservatories to the trade, always striving to offer high quality products at a reasonable price. Our motto is quality without compromise and this is reflected in our product offering and customer service.

Our product range includes high quality, energy efficient windows, doors, glass and conservatories… all of which are available in a wealth of styles and colours and all manufactured bespoke to your requirements.

We offer uPVC and Aluminium windows, doors and conservatories from a wide range of manufacturers.

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Our Values

✓ All of our high-quality window products are covered with a full 10-year warranty and are available as A-Rated, conforming to the latest regulations of build and security.
✓ We also offer Secure by Design products for extra security and peace of mind.
✓ In addition to this, we also provide Roofline, rainwater products, composite decking & cladding and Roomliner bathroom panelling.
✓ Products can either be collected from our trade centre or we offer a delivery service.
✓ We provide information and a great service, which is why our customers come back to us time and time again.
Our ethos is simple, we provide you with what you want, when you need it so that your business operates smoothly.

As a company we are always looking at improving the service that we provide, to meet our customers’ needs. If you wish to speak to us at Gelstarr please call us on 01293 301990. Alternatively, you are always welcome to visit us at our trade centre in West Green, Crawley, RH11 7HA.

UPVC Windows

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Casement

Our superior range of uPVC Casement windows from Liniar offer the very highest levels of security and thermal performance.
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French Casement

Enjoy a room with a view by opening up your property. Choose beautiful French Casement Windows and let the light stream in.
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Vertical Sliding Sash

Maintain a traditional look for your home with our elegant uPVC vertical Sliding Sash windows.
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Tilt & Turn

The best of both worlds in one product. Tilt and Turn windows provide a scenic view, whilst also providing unobtrusive ventilation. Transform and differentiate any property with a uPVC Tilt and Turn window.
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A Beautiful Home Starts Here...

uPVC Doors

The gateway to a home. Our uPVC doors are secure and designed to be the centrepiece of the entrance to a property. High-quality, double glazed doors that deliver exceptional energy efficiency, whilst still looking the part.
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Composite Doors

Renowned for their solidity and security, our Composite Doors are the only choice when it comes to securing your home and your family.
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Bi-Fold Doors

Gain panoramic views of the outside and increased natural light inside with our beautifully designed, market leading uPVC Bi-fold doors.
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uPVC Windows

Our uPVC windows are manufactured and designed to meet the high standards and security that homeowners have come to expect for their homes. They are manufactured in the UK, available in a range of style and colour options. High levels of energy efficiency available.
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Aluminium Windows

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Conservatories

Choose a conservatory and you’re choosing a natural extension to your home. Sympathetic design options means your conservatory appears almost as part of the original build, increasing the value of your property and bringing new life to your home.
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uPVC Doors

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UPVC Residential

Our state of the art uPVC Residential Doors are designed to the meet very highest standards in security, weather-proofing and durability.
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UPVC French Doors

Our stylish range of uPVC French Doors from Liniar transform the look of any home and have been manufactured to meet the highest security standards.
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uPVC Stable Doors

Our superb range of multi-functional uPVC Stable Doors offer versatility, style and security.
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uPVC Patio Doors

Enhance your home with our revolutionary uPVC patio doors, offering low profile thresholds to cater for the needs of today’s homeowner.
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What Our Customers Say...

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