uPVC Flush Sash Windows, Peterborough, Cambridgeshire

Liniar uPVC Flush Sash Windows: The Right Choice For Your Home
What makes Liniar flush sash windows so special? Although constructed from uPVC, each profile is mechanically jointed and perfectly replicates the look of timber. Visitors to your home in Peterborough will struggle to tell the difference. This makes them the ideal choice for period properties – or those located in conservation areas – where planning permission restrictions apply.

For your convenience, we cover Peterborough, Market Deeping, Stamford, Yaxley, Thrapston & Oundle and all of the surrounding areas. Why not get in touch to find out more.

Enjoy Better Thermal Efficiency and Lower Heating Costs Today

Liniar flush sash windows combine stunning aesthetics will equally impressive performance. Each profile is capable of achieving an ‘A’ rating. Your home will be much warmer as a result, and you won’t need to worry so much about the rising cost of your energy bills, either.

Double or triple glazed options are available with our uPVC flush casement windows. You can customise your Liniar window by choosing from our selection of security hardware, colours and foil finishes to personalise the appearance of your installation.

Better Views

The slim sightlines produced by our flush sash windows will add genuine market appeal to your home. This is because of the low frame to glass ratio that characterises each Liniar design. When inside, you’ll be able to enjoy improved panoramas of your garden – meaning that your property will feel more connected to the outside. A better sense of interior space will also be achieved.

The Perfect Fit

Our Liniar flush sash windows will fit anywhere. Built into a casement frame, each profile can be installed without drawing attention. The neutral – but nonetheless elegant – design of your double glazing will allow it to be installed in any area of your Peterborough home. Find out more by talking to the I Want Window And Doors team today or by getting an online quote in minutes using our app.

We Do It All

I Want Windows and Doors will take care of all aspects of the installation. If you need uPVC flush sash windows as part of a more wide ranging project – for example, a conservatory build – we’ll survey the area, liaise with regulatory bodies and undertake any additional building or landscaping work required. One call to our team is all that’s needed if you have a question or need an update.

Flush Sash Windows Without Any Weak Points

We chose Liniar windows because they excel in all areas. Better thermal efficiency, improved home security and stand-out aesthetics come as standard with this range – so your investment will pay for itself over time. We’ll also work with you to fine-tune your windows, so that they look and perform as expected.

Because we take care of the entire process, you’ll never need to worry about liaising with – or chasing up – different contractors. The installation will be completed quickly, correctly and within the budget we agreed with you at the start. Why not begin your design journey today by calling or emailing our team today.

Minimal Upkeep

Wooden flush sash windows look admittedly stunning. But they require extensive upkeen in order retain their appearance. Our uPVC Liniar products will reward you with the much-coveted timber look, while removing the need for ongoing upkeep. You’ll have more time available to attend to other important tasks – or can simply relax and enjoy the benefits of your new double glazing.


Your new uPVC flush sash windows will produce a lower U-value that translates into a reduced carbon footprint. Your Liniar product will help the environment in another way, too. No lead is used in the manufacturing process, and each profile is fully recyclable. Make the eco-friendly choice by asking I Want Doors And Windows to fit brand new flush sash windows in your Peterborough home.

Lower U Values

You’re looking for a flush sash window that will act as a lasting investment. Keeping your heating bills as low as possible is, therefore, a high priority. It’s possible to achieve a U-value as low as 0.8 when you ask the I Want Windows And Doors Team to install Liniar systems in your home. Design your product online to explore different design options today and get a free quotation.

Online Quote

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, Peterborough

Use our free design tool to get a quote using your mobile device, laptop, home PC or tablet – then revisit it as many times as you need to for other products.

Contact I Want Windows And Doors today for expert advice and locally competitive prices.





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