UPVC Doors


Enhance the appearance of your home by giving it a fresh new look with our stylish uPVC doors in Milton Keynes and Leighton Buzzard. Our customers benefit from high efficiency, security and weather proofing, as well as a stunning range of UPVC door styles.

Our attractive doors are available in a wide range of bespoke colours and finishes so whether you are looking to maintain traditional appearances or keep things modern, we have the right combination of door styles for you.

At Window Installation Services we understand the importance of matching door to home. This is why we allow you to tailor your UPVC door to best suit your property requirements as well as lifestyle.Our beautiful yet robust UPVC doors will make a big difference to the look of your home.


Low Threshold Options

Compliant to Part M of Building Regulations, all our UPVC double glazed doors are available with both low and standard threshold options. Our doors can be specified to your requirements making them ideal for wheelchair users.

Liniar uPVC Doors


Handsome aesthetics combined with advanced engineering makes our Liniar UPVC door frame is a force to be reckoned with. Highly robust, durable and secure, our double glazed doors are built to protect your property, no matter the weather.

Our double glazed doors promise quality materials and a unique design.  Made using recyclable, lead free materials our UPVC doors are environmentally friendly putting them ahead of both UK and EU legislation.

Superior Weather Resistance


Our Liniar doors provide superior levels of weather tightness. Our double rebated double glazed doors are gasketed using Liniar’s patented double action bubble seal.

BSI Certified

Designed, manufactured and tested to the latest British Standards, all components of our Liniar doors are BSI certified. Our UPVC doors are guaranteed to provide a quality, long lasting performance.

Secured By Design

Our Liniar UPVC doors are accredited by Secured By Design which is a police preferred specification. Additional security upgrade packages are also available for those wanting the ultimate home protection.

UPVC Door Prices

For unbeatable UPVC door prices start your free double glazing door quote today. Our online quoting engines allow you to see just how affordable our quality doors can be. Simply enter your door measurements to receive a unique door cost. Get a door quote or bi-fold door quote! Alternatively you can call us on: 01908 366621 or get into contact using our online enquiry form.