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WARMER HOMES & LOWER BILLS Bespoke Glass,
Made in the UK Supplied To Domestic & Trade Customers Manufacture, Supply and installation of high quality glass, windows and doors for domestic and commercial properties across the UK. TRADE CUSTOMERS Bespoke Glass,
Made in the UK Manufacture, Supply and installation of high quality glass, windows and doors for domestic and commercial properties across the UK. REQUEST A QUOTE Bespoke Glass,
Made in the UK Manufacture, Supply and installation of high quality glass, windows and doors for domestic and commercial properties across the UK. REQUEST A QUOTE Modus Windows Grimsby Front Doors Grimsby

About Us

Synerjy is a trusted, long-established manufacturer and installer of high-quality uPVC windows, doors, and glazed units, proudly serving Grimsby and the wider Lincolnshire region. Since 2000, we’ve built our reputation on craftsmanship, reliability, and a commitment to delivering tailored solutions for every project — from individual home improvements to large-scale commercial and new-build developments.

Operating from our dedicated manufacturing facility, we produce all our windows and doors in-house, ensuring exceptional quality control and the flexibility to create fully bespoke designs. Whether it’s energy-efficient double or triple glazing, secure composite doors, or custom-built frames, every product is made to measure and finished to the highest standards.

 

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Why Choose Us

Competitive Prices

Family Run Business

Wide Range Of Machinery

Long Established

Commercial & Domestic

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Our Services

Bifold Doors

Our bifold doors create seamless indoor–outdoor living, offering smooth operation, slim sightlines, and excellent thermal performance. They maximise natural light and space, providing a stylish, modern solution for homes and commercial properties.

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Modus Windows

Modus windows combine advanced energy efficiency with contemporary design, featuring slim profiles, exceptional insulation, and versatile styling options. They offer outstanding performance, durability, and kerb appeal for any home or commercial project.

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Toughened Glass

Our toughened glass offers superior strength, safety, and durability. Heat-treated for enhanced performance, it provides excellent impact resistance and reliability for doors, windows, partitions, and a wide range of modern glazing applications.

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UPVC Doors

Our PVC doors offer excellent durability, energy efficiency, and low maintenance. Designed for long-lasting performance, they provide secure locking, stylish finishes, and reliable weather resistance to enhance any home or commercial entrance.

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Casement Windows

Our casement windows offer excellent ventilation, energy efficiency, and timeless style. Built to last, they provide smooth operation, secure locking, and versatile design options to enhance the comfort and appearance of any property.

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French Doors

Our French doors offer timeless elegance, excellent natural light, and smooth operation. Designed for energy efficiency and security, they create a stylish, welcoming connection between indoor and outdoor living spaces.

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What Our Clients Say

Had a bay window fitted. The staff went above and beyond to make sure everything worked out perfectly on my short schedule. My window looks amazing

Sam Day

Installed new French doors at my property this morning and I’m thrilled with them. Workmen were friendly, well mannered and efficient and they did a great job. Thank you Synerjy!

Lianne Elvidge

I recently needed some first floor windows and approached Synerjy for an estimate. They came out straight away to measure, advise and give me a quote. Within a day, I had received my quote which was very reasonable …, I gave then the go ahead, the windows were made and the following week fitted. I’m extremely happy with them and will have no hesitation in using Synerjy again

Guy Bryant

Just collected glass from synergy absolutely brilliant, lovely cheerful receptionist, made up glass quickly and fits perfectly.

Albert Jones

Great work great guys. So quick and efficient.

Margret Waterman

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