From traditional casement and flush sash styles to contemporary tilt and turn and slimline designs, we supply and install windows for every application and budget. Our Lincoln facility produces bespoke units in all sizes and specifications, ensuring you get exactly what your project needs.
Incredibly strong yet lightweight, aluminium is perfect for creating sleek, modern aesthetics or replicating heritage steel windows in conservation projects.
The UK’s most popular window style. These side-hung windows open outwards, providing excellent ventilation and unobstructed views when open.
This proven technology has been the UK standard for decades, offering excellent insulation, noise reduction, and condensation control.
This style combines the classic look of traditional timber windows with the performance benefits of modern UPVC or aluminium.
Our specialist slim-line windows feature narrow frames and authentic glazing bars, perfect for listed buildings and conservation areas.
Tilt and turn windows offer maximum versatility: tilt inwards from the top for secure ventilation, or swing fully inwards for easy cleaning and maximum airflow.
Triple glazing features three panes of glass with two insulating cavities, delivering superior thermal performance and noise reduction.
These versatile, durable windows offer outstanding thermal efficiency, require virtually no maintenance, and deliver exceptional value for money.
We understand that choosing new windows isn’t something you do every day. With so many styles, materials and glazing options available, it’s perfectly normal to feel uncertain about which solution is best for your property and budget.
That’s exactly why we’re here to help.
At True Window & Glass Centre, we don’t believe in pressure selling or pushing products you don’t need. Instead, we take time to understand your specific situation – whether you’re concerned about energy bills, want to enhance your property’s appearance, need better noise reduction, or simply want to replace tired old windows that are past their best.
For over 40 years, True Window & Glass Centre has been Lincolnshire’s trusted choice for quality windows and expert installation.
Based in Lincoln since 1983, we’ve helped over 2,000 homeowners and businesses across Lincolnshire, Nottinghamshire, Norfolk, Cambridgeshire, and the Midlands transform their properties with energy-efficient, secure windows.
From our comprehensive range of UPVC and aluminium windows to our in-house manufacturing facility producing specialist heritage units, we combine local expertise with professional service. Whether you’re a homeowner, tradesperson, building manager, or developer, we offer honest advice, competitive pricing, and installations completed by experienced fitters who treat your property with respect.
For our the latest industry insights and updates, feel free to explore our news page!
Window costs vary depending on size, style, material, and glazing options. UPVC casement windows are typically the most cost-effective options, while premium aluminium or heritage designs cost more. Contact us for an accurate, no-obligation quote.
Quality UPVC windows typically last 20-35 years with minimal maintenance. Our windows are manufactured to the highest standards and backed by comprehensive guarantees.
Most window replacements don’t require planning permission. However, listed buildings, conservation areas, and flats may have restrictions. We can advise on your specific situation.
Most projects can be completed in 1-2 days, depending on the number of windows. We’ll provide a clear timeline when we give you a quote.
Yes, all our windows meet or exceed current building regulations for thermal efficiency. We can achieve U-values as low as 0.8 W/m²K with triple glazing.
UPVC offers excellent value, thermal efficiency and low maintenance. Aluminium provides slimmer frames, greater strength for larger sizes, and a more contemporary aesthetic. Both are excellent choices. Your decision will depend on your property style, budget, and personal preference.
Absolutely. Dual-colour options are available on most UPVC, aluminium, and composite windows, allowing you to match your exterior colour scheme while coordinating with your interior décor.
Since 1983, we’ve been serving Lincolnshire and the surrounding counties with honest, reliable glazing services. Our longevity speaks to our commitment to quality workmanship and customer satisfaction.
With over 2,000 happy clients across the region, we’re proud to be Lincolnshire’s first choice for windows, doors, and conservatories.
Simple, Transparent, Professional
Call 01522 500892, email, or use our online form to tell us more about your requirements. We’ll answer your questions and arrange a free, no-obligation survey.
Our surveyor will visit your property to take accurate measurements and discuss your needs. We’ll provide a detailed, transparent quote with no hidden costs or pressure selling.
Once you’ve accepted our quote, we’ll schedule production at our Lincoln facility. Our team will keep you informed of progress and will confirm your installation date.
Our experienced fitters complete your installation professionally and efficiently. All work is backed by comprehensive quality guarantees.
Our clients say it better than we ever could.
Mark and Dylan have done a fantastic job of installing the new window for my takeaway. Window is looking sleek and fantastic. The chaps were...
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Toby Rovezzano
Via Google
We have used TWG for a while, they carry out all our repairs on the rental properties, we have found the fitting staff to be...
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Martin & Co Lincoln
Via Google
I needed some window film applying to my door to allow some privacy from bypassers. TWG were able to offer me two solutions in which...
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Shay B
Via Yell
We ordered some replacement glass to restore our front door with from TWG. They were excellent, amazing service, glass was a perfect fit and of...
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Jasmine Boyce
Via Google
Unbelievably good service, booking the appointment was easy on the phone super helpful staff. I asked for an early appointment and they were very accommodating....
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Tom Croft
Via Google
Mark and Dylan have done a fantastic job of installing the new window for my takeaway. Window is looking sleek and fantastic. The chaps were happy to ask any questions and made the whole (potential stressful) experience smooth and quick. Great job
Toby Rovezzano
Via Google
We have used TWG for a while, they carry out all our repairs on the rental properties, we have found the fitting staff to be helpful and polite when collecting keys and carrying out works. we would recommend them.
Martin & Co Lincoln
Via Google
I needed some window film applying to my door to allow some privacy from bypassers. TWG were able to offer me two solutions in which I opted to have film applied rather than new glass. A good reasonable price and happy to do business with a local firm.
Shay B
Via Yell
We ordered some replacement glass to restore our front door with from TWG. They were excellent, amazing service, glass was a perfect fit and of really high quality. Over the moon with the outcome!
Jasmine Boyce
Via Google
Unbelievably good service, booking the appointment was easy on the phone super helpful staff. I asked for an early appointment and they were very accommodating. The engineer turned up as early as possible and got it fixed.
Would happily recommend them to anyone.
Tom Croft
Via Google
Incredibly strong yet lightweight, aluminium doors feature slim profiles for maximum glass area and light. Perfect for contemporary buildings.
Versatile, durable, and thermally efficient doors that require virtually no maintenance. From front and back doors to patio and French doors, these provide exceptional value for money.
The UK's most secure front door option. Combining a solid timber core with a weather-resistant outer layer for unbeatable security and minimal maintenance.
