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uPVC Casement Windows, Luton

Our market-leading casement windows are manufactured in the UK, so you can be assured of a quality, British made design.

uPVC Casement Windows In Bedfordshire

If you are looking for uPVC casement windows in Luton, Dunstable, Bedfordshire, Hertfordshire & surrounding areas, then P&M Windows have the perfect windows for your Bedfordshire home.

Our uPVC casement windows can be individually tailored to meet your desired specifications. A fantastic option for both contemporary and traditional style homes, they can be built to match almost any property setting.

All our double glazed casement windows come with a manufacturer’s warranty, as well as an insurance backed guarantee for your peace of mind. When you choose our uPVC casement windows, you know you are completely protected – even after your installation.

The Perfect uPVC Window Profile

  • Multi-Chambered For Greater Energy Efficiency
  • 100% Lead Free & Recyclable
  • A+ Energy Ratings


Casement Window Design

Our casement windows can either be top-hung opening or side-hung opening, with both designs giving you excellent ventilation and security.

You can also choose from clean cut chamfered edges or opt for a more decorative sculpted ovalo finish.


Colour Options

From bespoke colours to unique opening features, they come in a wide range of finishes guaranteeing you a perfect match.

Colour options include: White, Ivory, Golden Oak, Chartwell Green, Dark Blue and Cedarwood.

How to install a Liniar uPVC window

Not all PVCu windows are the same – and Liniar’s innovative, energy efficient windows are designed to be simple to install. This video has been created to help window installers to fit a Liniar ...

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Liniar Casement Window Colour Options

Liniar Casement Windows
Liniar Sliding Sash Windows
Liniar Sliding Sash Windows
Liniar Casement Windows
Liniar Casement Windows
Liniar Sliding Sash Windows
Liniar Sliding Sash Windows
Liniar Sliding Sash Windows
Liniar Casement Windows
Chartwell Green
Irish Oak
Golden Oak

Product Features

Exceptional Security

Our Liniar uPVC casement windows ensures that high levels of security are being met. You can expect outstanding levels of security when you choose our double glazed casement windows.

A+ Energy Rated

The most technically advanced on the market, our double glazed casement windows are designed with multi-chambers for greater heat insulation. These uPVC windows are capable of achieving a WER energy rating of A+12 – an impressive window rating.

Superior Weather Protection

Designed to offer high levels of weather resistance, our uPVC casement windows offer unrivalled weather protection. Their superior gaskets give you a continuous tight weather seal keeping you protected whatever the weather.

Advanced Hardware

Our uPVC casement windows have been manufactured with innovative hardware. Tested to 20,000 cycles, our stainless steel friction stays provide the ultimate protection whilst hinges are protected with a Stay Guard Elite Device.

Chamfered Rebate

The Liniar casement window is available with chamfered rebate detail, a superb choice for homeowners looking for a sophisticated and contemporary design.

Slim Sightlines

Slim sightlines will increase your view outwards as well as improving natural lighting. Less frame and more glass, allows our uPVC casement windows to blend beautifully with any surrounding.

Glass Options

windows dunstable leighton buzzard
windows dunstable leighton buzzard
windows dunstable leighton buzzard
windows dunstable leighton buzzard
Charcoal Sticks™
windows dunstable leighton buzzard
windows dunstable leighton buzzard
windows dunstable leighton buzzard
windows dunstable leighton buzzard
windows dunstable leighton buzzard
windows dunstable leighton buzzard
windows dunstable leighton buzzard
windows dunstable leighton buzzard
windows dunstable leighton buzzard
windows dunstable leighton buzzard
windows dunstable leighton buzzard
windows dunstable leighton buzzard
windows dunstable leighton buzzard
windows dunstable leighton buzzard

Benefits of Liniar

All Liniar Products are Made in Britain

Made In Britain

All our Liniar windows and doors are manufactured right here in Britain. When you choose our products, you can be assured of a quality, British design.

Thermally Efficient Windows

Energy Efficient

Featuring a multi-chambered uPVC profile, our Liniar uPVC windows and doors offer high levels of thermal insulation. They are designed to keep heat inside the home where it belongs.

Cost Effective Casement Windows

Save Money

Our uPVC Liniar windows and doors are very cost effective. Capable of achieving A+ energy ratings, they can help your home retain more heat and save you money on those costly energy bills over time.

Better for the Environment


Our Liniar profiles are 100% lead free, meaning they are a better choice for you and your family. They are also fully recyclable, giving you an eco-friendlier home.

Keep Heat Inside

Thermally Efficient

A six-chamber uPVC profile helps you to contain and conserve more heath within your property.

High Security

Strong & Secure

High security locking systems are fitted as standard for a safer and more secure home. Our windows and doors have also been independently tested and carry the PAS:24 2012 accreditation.

Less Frame, More Glass

Slim Sightlines

Our Liniar windows and doors are designed with less frame and more glass, giving you enhanced light and views.

Triple Glazing

Triple Glazing

Designed to accommodate energy saving triple glazing, our profiles are capable of achieving a U-Value of 0.8.

Low Maintenance

Low maintenance

Your Liniar windows and doors will never rot, rust or need re-painting. Their profiles are made for a lasting performance.

Consumer choice

Colours & Finishes

Choose from a wide range of window and door accessories, along with a beautiful range of colours and finishes.

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