New uPVC Windows for your home.
DNA Home Improvements expert team of window experts are ready to help with your latest windows project.
We cover all areas of the North West including Cheshire, Staffordshire, Wirral, North Wales and Merseyside, and guarantee to delight you with our products and services
We won’t be beaten on price, and all our installations are covered by a full 10 Year Guarantee.
SAVE up to £1500 OFF PVC 4 WINDOWS & 2 DOORS in our CHRISTMAS SALE
Offering a wide choice of uPVC windows for you
DNA Home Improvement supply a wide range of uPVC Windows available in a range of styles and colour finishes to suit all requirements and tastes. Choose from options including Casement Windows, Vertical Sliding Windows, RunThru Sash , French Windows, and Tilt and Turn Windows and more.
All of our uPVC windows are effectively zero maintenance and will remain looking as new for many years to come. And if that’s not enough to tempt you, we’ll even throw in a 10-year guarantee.
uPVC windows including casement windows, vertical sliding windows, run-through sash horns, French and tilt & turn to name a few.
We cover all areas in Cheshire, Merseyside, Wirral, and Staffordshire.
We offer installation services in these cities and towns Crewe, Chester, Wrexham, Liverpool, Manchester, Warrington, Runcorn, Widnes, Northwich, Stafford, Hartford, Mold, LLandudno, Oswestry and more.
Advanced glass technology
We’re also proud to be able to say that our high tech glass technology means we can make the most of increased energy efficiency, resulting in higher levels of insulation.
DNA Home Improvements also provide uPVC windows with enhanced glazing options, to reduce noise pollution – meaning a quieter home for you.
View Our Latest Projects
What DNA Home Improvements do
DNA Home Improvements are the leading replacement Double Glazing Installers in Crewe. We specialise in high quality Windows, Doors, Conservatories, Orangeries, Solid Roof Replacements, Lantern Roofs, and Garage Doors and most types of Home Improvements across Crewe, Nantwich, Sandbach and the rest of the North West including Cheshire and Staffordshire.
DNA Home Improvements has helped thousands of homeowners in Crewe and throughout Cheshire with their home improvement projects. We are proud to provide high quality home improvements to our customers as well as replacement glass sealed units, solid and glass replacement roof systems, garage doors, patio and bi fold doors.
We are also the leading and preferred installers for a of industry leading products, including Supalite Solid Replacement Conservatory Roofs, Rock Door and Solidor Entrance doors, Hormann garage doors and Residence Collection windows.

What Our Customers Say
We truly value and appreciate the feedback we receive from our clients, as we look to improve the services we offer on an ongoing basis.
Superb service
10
Verified Review
“Superb service, second time using DNA. Whole team was a great help, managed to get all the windows fitted within a few weeks of initial order. Especially thanks to the fitting team who kept everything really tidy after each day.”
Highly Recommend
10
Verified Review
“Team off fitters where amazing guys who where very professional .highly recommended ..would definitely use them in future .amazing team thankyou for support and great job . All best to great team.”
Excellent
10
Verified Review
Thank You!
10
Verified Review
“Thank you to the team, and Daryl for all the adjustments we needed. Professional, and great customer service.”
Great Job
10
Verified Review
“We asked DNA to fit a new front door. We were given plenty of choices and helpful advice. An approximate fitting date was given which was accurate. When the fitters arrived they worked quickly and completed the work by lunchtime. We are very happy with our new door.”
Highly Recommend
10
Verified Review
“DNA supplied and fitted a Rock Door. From the initial appointment to completion all staff were very friendly and polite.
When our door arrived a date for fitting was arranged quickly and on the day the fitting workmanship was excellent.
We love our door and would not hesitate to recommend DNA.”
Top Place
10
Verified Review
“Top place top people will be having my front door with this company, excellent
service brilliant customer service cant fault; so glad this company decided to branch out further and become bigger so we can all enjoy there products. Mr & Mrs Wise?”
Great Work
10
Verified Review
“Great from quoting to fitting – I can not recommend DNA enough, I was kept informed through the whole process by Diane and the fitters Liam and Connor did an amazing job, very professional, friendly and knowledgeable. I love my new windows and doors ?”