Liniar Installation 016.jpg

Superior Double Glazed Windows and Doors in Norfolk, Suffolk and Essex

Generations of Craftsmanship

Established in 1980, THIS has been improving homes across the region for decades helping tens of thousands of customers create their dream home. A family run business we strive for perfection, good quality craftsmanship and an eye to detail. Our main focus is providing the best possible products to suit the needs of our customers with as little disruption as possible. 

Scroll down for more.


Double Glazing Quote NORFOLK

At Thetford Home Improvement Services we consider ourselves one of Norfolk's leading experts in double glazing, doors, conservatories, PVC fencing and more.
To find out how we can help you to shape your dream home whether you're looking for a couple of new windows or a bespoke glazed extension designed and built for your home get in touch today.

Contact us today for your FREE quote

Name *


Excellent service, fantastic product!
The Installers Tony and Graham were brilliant.
The fence has exceeded out expectaions
— Mr. Watson
Looks and feels good, very high standard
— Mr. Buckle
Excellent product, very efficiently installed with very minimum of mess
— Mr. and Mrs. Lambourne
Service first class and products ideal for our requirements
— Mr. Squirell



We’ll only work with the best materials available and provide three separate 10 year guarantees on all works. We never compromise quality giving our clients realistic schedules that accommodate their lives. We strive for honest customer service, so contracts are only paid in full when the finished work is to your complete satisfaction. We employ old fashion values alongside modern technologies and innovations to provide our customers withe best possible service. 


About US

THIS is one of the regions longest running home improvements firms. Starting in Thetford in 1980 with nearly 40 years of experience we pride ourselves on our level of expertise with in not just the window and door market but across a wide variety of home improvement sectors, tailoring all of our products and service to match the customers unique, bespoke needs.