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Trustmark
Government endorsed quality
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Certass
Registered installer
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iDeal4Finance
0% APR finance available
Trustmark
Government endorsed quality
Certass
Registered installer
iDeal4Finance
0% APR finance available
uPVC, aluminium and composite windows and doors manufactured, supplied and fitted across Middlesbrough and Teesside - fixed prices, 10-year guarantee, same-day callback.
Book a free, no-obligation visit and you'll get a complete picture of your windows and doors and what, if anything, needs doing. Honest advice, no pushy sales, just everything you need to make a decision.
"Recently had our front door replaced, the fitting guys were great and Paul was helpful when we were choosing what to go for. Would definitely recommend thank you."
Five star reviews from homeowners across Middlesbrough, Redcar, Thornaby and the wider area.
★★★★★"Recently had our front door replaced, the fitting guys were great and Paul was helpful when we were choosing what to go for. Would definitely recommend thank you."
★★★★★"Had the team come and remove an external door and replace with half wall and opening window and have to say they were brilliant! Work was done quickly, at a great cost and the standard of work was great! Would definitely recommend! Great team, lovely to chat to and fantastic work!"
★★★★★"Paul recently fitted a new composite door and side uPVC window for me and I couldn't be happier with the service. I've used him in the past and he always does a brilliant tidy job. No issues at all and a very fair price."
10yr
Workmanship guarantee on every installation we fit
From your first enquiry to the finished job. Straightforward, no faff.
Tell us what you need. Takes about thirty seconds.
Paul or one of the team calls you back the same day. Quick questions, then we confirm a visit time.
We come out, measure up, and talk you through your options in plain English. No charge, no obligation.
You receive a detailed written quote. Decide in your own time. No pressure, no follow-up calls.
A selection from 2,600+ installations completed across Middlesbrough and Redcar.
We've fitted windows and doors in Middlesbrough's Victorian terraces, modern estates in Thornaby and Ingleby Barwick, and older stone properties out towards Guisborough. North-east weather can be tough on frames - we only fit products built to handle it.
We live and work in the same towns we serve. We know the local housing stock and which jobs give trouble round here. No franchise, no subcontractors shipped in from elsewhere.
Your written quote is the price you pay. We itemise every cost upfront. No "while we're here" extras, no surprise invoices when the job is done.
Call or fill in the form and someone rings you back the same day. We confirm a visit date on that first call. No chasing, no voicemail loops.
Public liability and employer's liability insurance in place on every job. We can email certificates before work starts, so there's no chasing needed.
Paul Jarvis
Founder and time-served window & door installer
“I started Transform with one simple rule - if I wouldn't accept it on my own house, it doesn't go on yours. Most of our work today comes from word of mouth and second jobs from happy customers. That's how I know we're doing it right.”
Based in Middlesbrough, we cover Middlesbrough, Redcar, Thornaby and surrounding areas.
Don't see your area? We cover a wide radius from Middlesbrough, so call us or fill in the form and we'll confirm coverage, usually with a same-day callback.
Pick up the phone or fill in the form and we'll call you back the same day.