Residence 9 Flush Sash Timber Effect Windows

Residence 9 is a new window system designed to replicate the 19th Century Flush Sash Timber Window. It can be considered for use in Conservation Areas due to its authentic appearance. This authentic design is also appealing to any homeowner who wants a top end luxury window brand. Read More »
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19th century timber window designs with modern features and benefits

19th Century windows were always painted and never stained which is why Residence 9 is only available in a range of traditional colours. Our most popular colour is grained white, however if the white is too crisp, why not try our “clotted cream” or unique “cotswold biscuit” or contemporary greys and pastel greens. Read More »

 

 

Aluminium Bi-folding Doors

Bi-folding doors are the ideal way to create the illusion of extra space & connect inside living to the outside world. They can create a whole new feel to your home, linking rooms together and seamlessly joining inside living with outside space. Versatile, contemporary & aesthetically pleasing, bi-fold doors are the ideal replacement for existing patio or French doors. Read More »

Solidor Timber Core Composite Doors

Your home can be further enhanced and secured by replacing your existing external or internal doors with beautiful new solid timber core composite doors from Solidor. We have a wide range of styles, colours and finishes on show at our showsite in Darlington along with all types of feature glazing. Read More »

 

Conservatories & Orangeries

We have won national accolades and awards for our conservatory design and installation of our conservatories and orangeries. Our conservatories come in a large range of colours and materials including hardwood, aluminium and UPVC. Read More »

PVCu Energy Saving Windows

Match your existing window frames or have a complete new look with replacement windows in uPVC or hardwood. Even traditional 'sash' windows can now be matched with modern versions and enjoy all the benefits of modern technology. Read More »

Darlington's Number 1 for Windows, Doors and Conservatories


National Window Systems is a well established family owned business of over 25 years. We are large enough to build the biggest conservatories and small enough to deal with customers on a very personal basis. All our projects, from a single window to a combined conservatory extension, receive careful and individual attention.

 

National window systems are a company who believe in doing business the old fashioned way. No heavy sales methods, no crazy deals, no hidden extras - just a first-class job for a fair price, using the finest products available.

 

Testimonials

"Made my garage into a playroom, saving me the cost of moving."
V Taylor
"Fast and efficeint service, I was very pleased with the work."
M James
"I wouldn't hesitate in recommending National Window Systems. The whole experience was unbelievably good."
Ms Foster 

Products at a glance