white upvc liniar front door liniar Red Residential Door
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Liniar Residential Doors

Liniar residential doors are an installer friendly door that is compatible with all property types. Offering end-users exceptional levels of home security and outstanding energy efficiency performance, they are an excellent addition to any installers’ product portfolio.

  • U-values as low as 1.3 W/m²K (double glazing)
  • U-values as low as 1.00 W/m²K (triple glazing)
  • Part M compliant low threshold
  • Patented bubble gaskets
  • Compatible with all Liniar windows
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Product features

Design features

Liniar residential doors can be specified with either an open in or open out functionality. Available with a sculptured or chamfered finish, they will tastefully complement the aesthetic appearance of any property type. Featuring a Part M compliant low threshold for easy access, they combine high performance with outstanding functionality and are available in an extensive range of colours and hardware options.

Product options

  • Mid-rails and cruciform
  • Sculptured or chamfered profile
  • Available with matching sidelights
  • Choice of handles, letterboxes, and knockers
  • Continuous weather resistant seals
  • Selection of colours including wood effect finishes
  • Optional single or double ramp
  • 100% lead-free uPVC




Residential Door





Cost effective and high quality uPVC residential entrance doors

Liniar uPVC residential entrance doors are a versatile and high performing door system suitable for all installations. Available with a sculptured or chamfered profile, they can be specified to match a range of property types and installation specifications. They are available with a wide range of hardware options including handles, knockers, and letterboxes. They feature a continuous weather resistant seal for enhanced weather protection and with multi-point locking systems as standard, will ensure that any home is protected from forced entry attempts.

liniar White residential door

Frequently Asked Questions

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Contact Us

What are your lead times?

Lead times can vary per product. For stock PVCu colours we work to a 10-15 working day schedule. For more up to date lead times on any specific product e-mail us at sales@quantumwindows.co.uk where we will be happy to help.

Are your products compliant with new building regulations?

Our Eurocell PVCu range of products are fully compatible with all new build regulations. Quantum Windows has a number of secured by design certifications to provide you with peace of mind and our quality systems in place are all aimed at producing a quality product first time, every time.

Currently, our range of Aluminium double glazed Aluk 58BW HI Windows, Aluk 58BD HI Residential doors, EdgeGLIDE+ Sliding door and Unifold HI all have a U-value of 1.4 or below and are compliant with new building regulations. Our range of compliant products is always growing, so please give us a call for the most up to date information.

Please note that you will need to specify on your enquiry if you need your product to meet the new building regulations.

Where do you deliver to?

We deliver weekly to the West Midlands, Derbyshire, Leicestershire, Warwickshire, Oxfordshire, Berkshire, Surrey, West Sussex, East Sussex, Kent, Greater London, Hertfordshire, Essex, Suffolk, Cambridgeshire, Bedfordshire, Buckinghamshire. Norfolk and of course Northamptonshire.

aspects white open bi fold doors

I have been buying windows and doors from Quantum Windows for over 25 years. I have always found the pricing very competitive and the quality has been very high. On the rare occasion a problem has arisen it has been dealt with swiftly and efficiently. The office staff are always polite, friendly and professional and we have built a strong relationship over the last 25 years. The drivers are excellent. I know them very well and they have adapted to my ways of working and are always willing to help and accommodated me.

Craig Gutteridge

“We have dealt with Quantum Windows for 13 plus years, we find the staff to be courteous and polite and any queries we may have are dealt with promptly and efficiently, nothing is too much trouble”

Jackie - Accounts Dept

W R Enterprise Glass & Glazing Ltd.

We have been buying from Quantum Windows for almost 30 years now, they offer a wide product range and the Team have excellent product knowledge which is invaluable in an ever-changing market.

All team members are friendly, helpful and efficient, orders are processed with care and quotations provided promptly. I would have no hesitation in recommending Quantum Windows.

Vicki Webb

Clearview 2000 LTD

‘We have used Quantum Windows for many years now, we have always found them to be very easy to work with, the staff are all very helpful and friendly, they are always available to offer any help should we need it, excellent product!’


Chapel Windows

Glevum and Quantum have enjoyed an excellent working relationship for a number of years, working together to provide a high quality, value for money product offering and service for the end user.

As well as delivering a high quality product, the knowledge and experience of the staff at Quantum is invaluable to a customer in a market where Building Regulations are constantly changing.

Mike Donaldson

Glevum Design & Build

As installers of both PVCu and Aluminium to the New Build market, the importance of on time delivery is totally time critical.
Over the last 20 years Quantum windows have worked closely with PGB to partner with us and deliver our offer to site.
Highly professional, and a pleasure to have worked with them so closely over the years.

Phil Martin CEO

Portico CB Ltd

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