All installers are not the same
01325 720 000
Hurworth Grange, 41 Hurworth Road, Hurworth Place, Darlington, DL2 2BN

Doors - Composite Doors, Patio Doors, Stable Doors and many more..

Guardian Conservatory Warm Roof Replacement - save money on your gas - electricity bills this winter

Double Glazed Units


 Look no further than Oaktree if you require robust double-glazed units in Darlington and the North East. We only work with leading suppliers that are constantly investing in the very latest state-of-the-art equipment, so talk to us today if you’re looking for one of the region’s widest range of glass units for windows and conservatories in the North East.

We have access to an on-site toughening plant as well as two fully-automated glass lines and can provide you with specialist conservatory roof glasses and normal double glazed units as well as an award-wining range of energy-efficient units that comply fully with the very latest Window Energy Rating guidelines.

You can get in touch with the experts at Oaktree at any time if you require further information on out top-class double-glazed units. We’re passionate about delivering exceptional customer service and using our vast knowledge to help you come to an informed decision that you won’t regret making later.

As one of the region’s most prominent glass, windows, doors and conservatory suppliers, we have the experience and the expertise needed to deliver the unrivalled service that you’re looking for. Don’t look any further if you require top-quality double-glazed units in the North East.

Get in touch with our professional team today. 

Checkatrade information for Oaktree Windows Ltd

2017 (3)

2016 (1)

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Customer Testimonials

Thanks to everyone for a great job. We're delighted.”

Mr. & Mrs. Booth

Competitive price excellent product and workmanship. Company boss involved from start to finish. Highly recommended.”

Mr Hunter

New windows, conservatory roof, new utility "Reliable, clean, quick and excellent follow up service"”

Mrs Davies

"Front door designed to my requirements and fitted. Excellent from the initial quotation and design to the fitting, fabulous friendly service, very professional company"”

Mrs Crawford - Stockton on Tees

I would very much appreciate it if you could pass on my thanks to everyone, from Neville in the 1st instance for his advice, guidance and expertise to the fitters who were amazing. The windows look fabulous, the patio doors look fantastic and the bi-fold doors are stunning. Great job from start to finish, thank you.”

Miss J. Lowes

Great windows for a sensible price clean workers recommend anytime”

Mr M. Young - Eaglescliffe

Fantastic job, work is super a really good job.”

B Hope Chester-le-Street

Great job from start to finish, fitters are a credit to the company. They even had there own hoover to clean up after! ”

Mr.G.Hall - Darlington

Good professional job! The windows look great”

Mr R. Evans

Fantastic windows and service, I highly recommend Oaktree for your replacement windows, Doors and conservatories.”

Mr N. Campelle

Such a pleasant building experience. The workmen were very efficient, polite and hard working. My windows look fantastic.”

Mr C. Eastwood - Newcastle Upon Tyne