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uPVC Bi-Fold Doors, Luton

Ultra slim sightlines and concealed hardware makes our uPVC bi-fold doors a genuine alternative to aluminium.

uPVC Bi-Fold Doors in Bedfordshire

Our bespoke, market-leading Liniar uPVC bi-fold doors will make a beautiful addition to your home in Luton Dunstable, Bedfordshire, Hertfordshire & surrounding areas. Opening back to just inches of opening, they will provide you with a seamless entrance between rooms. They are the perfect way for you to create more space, let in fresh air and increase natural light by being able to open up an entire wall of your property. Their ultra slim-sightlines will provide rooms with a modern and clean appearance. They are also available in a wide choice of opening configurations and colours for your home, allowing you to create a stunning and space-saving solution for your property. Designed for contemporary living, our Liniar bi-folding doors offer excellent levels of thermal efficiency alongside superior security features. They are fully weatherproof after being rigorously tested to British Standards and cyclic testing.

Liniar Bi-Folding Doors

  • Slim Sightlines
  • Low Thresholds
  • Concealed Hardware
  Our bi-folding doors can be designed with your home in mind. We offer a wide range of finishes including prime colour surfaces to authentic woodgrain finishes so that whatever your preferred style, we can present you with the perfect match.

The range of Liniar bi-folding doors

This video introduces you to the many benefits of the first ever designed-from-scratch PVCu bi-folding door range from Liniar. The market leading range continues to evolve and with the numerous ...

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Liniar Bi-Fold Doors

bifold white
Liniar Bi-Fold Doors
Liniar Bi-Fold Doors
Liniar Bi-Fold Doors
Liniar Bi-Fold Doors
Liniar Bi-Fold Doors
Liniar Bi-Fold Doors
Liniar Bi-Fold Doors
Liniar Bi-Fold Doors
Chartwell Green
Irish Oak
Golden Oak

Product Features

Less Frame & More Glass

With less frame and more glass, our bi-fold doors with their ultra slim sightlines provide a clean and modern appearance whilst letting in maximum light.


Liniar standard bi-fold doors are available in a range of opening configurations from 2 to 4 panes so they can be truly tailored to your requirements.

Concealed Hardware

Our bi-folding doors have been designed with an inboard mounted stainless steel track to conceal unsightly hardware, giving you a clean and attractive finish.

Ultra Low Thresholds

All our bi-fold doors are available with low threshold options including an aluminium 24mm low threshold and optional wheelchair ramp.

Smooth Rolling Action

Our Liniar bi-folding doors have been precision engineered to provide a smooth rolling action. Their patented roller mechanism makes them incredibly light to manoeuvre.

Slim Hinges

Slim hinges with hidden fixings increase security, making it impossible for them to be unscrewed externally.

Glass Options

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