uPVC Flush Sash Windows, Market Deeping, Lincolnshire

Liniar uPVC Flush Sash Windows: The Perfect Window Solution
Our flush sash windows are supplied from industry-leading manufacturer Liniar. Despite being made from uPVC, the profiles have been meticulously designed to replicate the look of traditional timber profiles. Many Market Deeping homeowners can’t tell the difference, making them perfect for period homes or conservation projects.

Benefit From Improved Thermal Efficiency and Reduced Heating Costs

Liniar flush sash windows are a perfect balance of visual appeal and high-performance design. With each window able to reach an ‘A’ rating, your home will retain more heat and help curb the cost of your energy bills.

Choose from double or tripled glazing when installing our uPVC flush casement windows. You can make your windows truly bespoke by customising the frame with security hardware, colours and different foils.

Better Views

Thanks to their slim sightlines, the flush sash windows have a low frame to glass ratio. This means you can enjoy unobstructed views of the outside world, without compromising the integrity of the structure. Feel more connected to the outside world with our fantastic selection.

The Perfect Fit

Flush sash windows can blend seamlessly into your Market Deeping home’s current architecture. Our selection of styles is beautifully minimalist, while the fitted double glazing can make any home more energy-efficient.

We Do It All

Our expert team can manage all areas of installation. As well as installation, we offer services such as surveying, discussing building terms with regulatory bodies and any other building work required.

Flush Sash Windows Without Any Weak Points

Liniar Flush Sash Windows excel in every design aspect. When choosing us as your installer, your home will benefit from better thermal efficiency, security and visual appeal.

Minimal Upkeep

Our woodgrain effect flush sash windows provide the same visual appeal as traditional wood profiles, without any of the upkeep. Enjoy low maintenance designs with our uPVC window frames.


Our flush sash windows are never made with lead during the manufacturing process. This makes our profiles are 100% recyclable.

Lower U Values

Flush casement windows deliver impressively low u-values, with the profiles able to achieve as low as 0.8. This can help curb the cost of your heating bills and make your home more energy-efficient.

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More Than Just Double Glazing

When you choose us for your home improvements you choose so much more as well. You will also have the full services of our sister company Nene Property Solutions.

Our unique position allows us to offer our customers a full range of property maintenance services, from groundwork for foundations, full scale renovation and refurbishment of homes, kitchens & bathrooms, to gardening. We have the resources, experience and capacity to provide a tailor made package. Want that new extension for your dream kitchen? No problem, our experts can handle everything for you.

For more than just a double glazing company, choose I Want Windows and Doors!

One Point of Contact for all Aspect of Your Project

No Need for Subcontractors

Full Range of Property Maintenance Services

Gardening, Landscaping & Tree Surgery

Driveways, Patios & Pathing

Heating & Plumbing

Lighting & Electrical

Finishing, Painting & Decorating

Bricklaying & Roofing

Groundwork & Foundations

Energy Efficient Home Improvements

Completely Lead Free

All of the windows and doors we manufacture and install are 100% lead-free. This eliminates any toxic materials, giving you peace of mind your family is safe and you’re doing your bit for the environment.

Shrink Your Carbon Footprint

As your products allow you rely less upon your central heating, you will not only enjoy lower energy bills but help to reduce the overall carbon footprint of your property!

Recyclable Profile

The materials we use in our double glazing are fully recyclable. This sustainable process means when you’re finished with your windows and doors, they can be used again and again.

Energy Efficient Products

The thermal insulation performance of our profile will increase the heat retention of your property and improve the efficiency of your central heating system, saving you money and the environment.

21st-Century Security Standard

Secure your Cambridgeshire property with double glazing that is fitted with the market-leading Yale shootbolt locking mechanisms.

Yale's Guarantee

After we have completed your double glazing installation, you can be certain that your home improvement is designed to secure your home against 21st-century burglary methods. All our Yale shootbolt locking mechanisms are guaranteed against mechanical failure for 10 years.

Globally Recognised

Protect you home with the  Yale shootbolt locking system that has become a world renowned marker of security across the globe, setting the standards that other brands aspired to.

British Standard Institute Specification Tested

Our windows and doors are rigorously tested to the latest BSI security standards, giving you peace of mind you’ve invested in the best for your Cambridgeshire home. The Yale shootbolt lock we offers boasts a high level of security every time.

Yale Shootbolt

The Yale shootbolt locking mechanism is renowned for its security. You can have full peace of mind your home is secure with this lock.

Liniar Profile

The Liniar uPVC profile we offer for the majority of our uPVC windows and doors boasts the highest levels of security, thermal efficiency and weatherproofing. These double glazing products will help make your home look great and raise the overall value of your property.

multi chambered uPVC profile

Multi-Chambered Profile

The Liniar profile is created to be multi-chambered by design. This allows the frame to break up mini convection currents, trapping pockets of warm air within your home. This will keep your property warm.

superior gaskets

Weatherproof Gaskets

The changeable Cambridgeshire weather will be kept out of your home. The gaskets maintain a tight weather seal, working alongside the glazing and frame to retain the comfort of your home.

double glazing flipper

Glazing Flipper

The glazing flipper within the Liniar windows and doors will reduce cold transfer, water ingress and noise pollution.

thermal dam uPVC

Thermal Dam

Our high performance Liniar profile has a distinctive feature increases the thermal insulation capabilities to reduce heat transfer for a warmer property.

uPVC positive drainage

Drainage Features

Strategically positioned and intelligently designed contours prevent moisture while creating natural drainage to keep your home warm and dry.

integrated reinforcing

Lead Free Build

This profile does its bit for the environment and is completely lead free. This makes it much safer for your family.

Obscure Glass Options





























arctic glazing


charcoal sticks

Charcoal sticks





Handle Options











monkey tail

Monkey tail

Flush Sash Window Prices, Market Deeping

Think our sash windows would be the perfect addition to your home? Get in touch! Use our online contact page to speak to one of our friendly team.

Alternatively, use our free design tool to get a quick, no-obligation quote in seconds. We look forward to hearing from you!





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