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Endeavour are your trusted, local and quality window and home improvement specialists.

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4.9 out of 5 stars from 225 reviews.

Endeavor windows have done a Stirling job on our windows door and sofits.The tradesmen were professional and offered good advice. I wouldn't hesitate to recommend the whole team from quote office and the friendly workmen
The end result has been much admired

christine jarred

11/03/2025

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Your Trusted Partner for Home Transformation in the Tees Valley

Endeavour Windows was built by two local lads, for local people. Just straight-up expert advice and quality products built on value for money.

Our eye for home design and advice is what we pride ourselves on.

Homeowners across Teesside can get the look, the performance, and the finish you’ve always wanted with a safe pair of hands to guide you through the process

We want all our customers to see exactly what you’re getting, so come and visit our Middlesbrough showroom. It’s packed with our full range of UPVC & aluminium windows plus many composite door options to choose from. These are displayed so you can look, touch, compare, and get real advice that gets you where you want to be fast.

Endeavour Windows

Your No 1 Choice For Windows and Door Installers Across Teesside

Areas we cover

Endeavour Windows we are ideally located in Marton, near Middlesbrough – but we don’t limit our services to just here !

Home Improvement Services

Replacement Windows

At Endeavour we provide a bespoke service installing made to measure windows, designed, manufactured and installed to the highest standards which deliver security, warmth, comfort and style all year round.

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Front and Back Doors

We offer a full range of composite, bi fold, french , patio and garage doors. All of our doors are manufactured to the highest standards providing safety and security and a stylish up grade to your home.

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Conservatory Redesigns

We will re-design and update your existing conservatory, modernising it to fit the needs of your home and work with a finish exactly to your requirements.

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Sliding Sash Windows

Sliding sash windows are a historic style that preserves the beauty of period homes. With traditional style and modern technology, uPVC sash windows are the ideal choice for conservation areas.

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Replacement Garage Doors

Replacement garage doors can be a daunting task, but at Endeavour its an easy one! At Endeavour or experts will help you make the right decision.

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Warm Roof Systems

Experience the joy of having a conservatory that’s perfectly insulated against the elements, keeping you cozy in winter and comfortably cool in summer.

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Architectural Spraying

At Endeavour we offer architectural spraying which can dramatically impact the aesthetics of your home in a range of different colours.

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Facias & Guttering

At Endeavour we offer every aspect of your roofline, including facia's, soffits and guttering. All of which are available in a range of colours and different styles of finishes.

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UNCOMPROMISING SECURITY

Experience extreme security, uncompromising quality, and the peace of mind you deserve with our window and door collections.

We use top-quality materials and state-of-the-art technology to create and install windows and doors that are not only visually stunning but also built to withstand even the most determined attempts at intrusion.

Protect your home like never before!

REDUCTION IN HEATING COSTS

By incorporating industry-leading technology into your home our installations will help you keep the heat generated inside your home from escaping, resulting in lower energy bills for you and your family. Rest easy knowing that while you're saving on costs, you're also making a positive impact on the environment.

SAFE AND SUSTAINABLE

We are dedicated to reducing our environmental footprint, all while delivering maximum benefits to our valued customers.

We carefully select partners who share our commitment to sustainability, ensuring that every step of our manufacturing process produces zero waste. This means that from start to finish, your home improvement project will embody eco-consciousness.

Our Recent Projects

If you are looking to improve your home with new windows or doors get inspiration and ideas from other Endeavour Home Improvement Customers who have transformed their homes.

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If you are still unsure and would like to know how our products will look on your home experiment with our innovation online door builder to see which product from our range best transforms your home.

Door Designer

Full House of White Flush Casement Windows with Astragal Bars Installed in Yarm

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HUGE HOUSE OF GOLDEN OAK WINDOWS AND DOORS, STOKESLEY.

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Visit Our Showroom in Marton, Middlesbrough

Our show room is located in Marton, Middlesbrough, come for a visit or use the link below to find out more.

24 Stokesley Road, Marton, Middlesbrough, Cleveland, TS7 8DX

Monday 09:00 - 17:30
Tuesday 09:00 - 17:30
Wednesday 09:00 - 17:30
Thursday 09:00 - 17:30
Friday 09:00 - 17:30
Saturday 09:00 - 13:00
Sunday Closed

Visit Our Middlesbrough Showroom

Why our customers choose Endeavour

Customer Feedback

As a full service home improvement business, we’ll be with you from the ground up to ensure the job is carried out promptly, efficiently and to the highest standards. We’ll always accommodate for your property and budget.

This is just one of the reasons we get such fantastic feedback see our Google and Checkatrade reviews for even more

View our Reviews on Google

Rated 4.9 out of 5 stars based on 225 customer reviews.

Always Available

Our advanced online ordering system allows our customers to track their orders with ease and piece of mind. Our system ensures that you are kept fully informed through the ordering, manufacturing and installation process.

If you have any questions beyond what can be answered in the system don't hesitate to get in touch.

View your order

Finance Options

At Endeavour, we understand that home improvements require careful consideration, both aesthetically and financially.

Feel secure with the ability to spread your payments over 15 years. We have a range of financial options to help make those home improvement affordable by spreading the payments.

Windows and Doors Interest Free Installments

Windows and Door Advice

Click on our articles below for a range of useful topics.