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10 Years Insurance Backed Guarantee

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FENSA Approved

Quality Manufacturers & Installers

Quality Manufacturers & Installers


When searching for replacement windows, it’s crucial to consider how they will enhance or alter the aesthetic of your home. Celestial Windows offers window fitting services in Teesside that open up new possibilities, adding value and distinctiveness to houses. 


With over two decades of experience in manufacturing and installing windows in Teesside and adjoining areas, we have built an impressive portfolio. Our expertise in both manufacturing and installation ensures seamless transitions for customers. 


Upgrading your windows not only enhances your property’s value but also reduces heating costs and improves security. Whether you prefer a traditional sliding sash or a contemporary flush sash, woodgrain or smooth grey, we can install them all. We offer a variety of styles in different colours, providing only the highest quality locking systems and A-rated glass as standard. 


If you’re looking to buy new uPVC windows in Middlesbrough, you’re at the right place. Here are some reasons why uPVC windows could be the best choice for you:


  1. Energy Efficiency: uPVC windows are highly energy-efficient and can help you reduce your energy bills. They are designed to insulate your home and prevent heat loss, which means you can keep your home warm during the winter months without having to spend too much money on heating.
  2. Low Maintenance: uPVC windows are extremely low maintenance, which makes them a great option for busy homeowners. They do not require painting or varnishing, and they are easy to clean. All you need is a damp cloth and some mild detergent to keep them looking like new.
  3. Durability: uPVC windows are highly durable and can withstand extreme weather conditions. They are resistant to rot, rust, and corrosion, which means they can last for many years without needing to be replaced.
  4. Security: uPVC windows are also highly secure and can help keep your home safe from intruders. They come with multi-point locking systems, which means they are almost impossible to break into.
  5. Noise Reduction: uPVC windows can also help reduce external noise levels, which is especially important if you live in a busy area or near a busy road. They are designed to reduce noise pollution and can help you enjoy a peaceful and quiet home environment.


uPVC Casement windows are the most popular choice, providing energy efficiency while maintaining air and natural light flow. Sliding Sash windows add character to any property, with the sash opening upwards instead of outwards. Installed in uPVC instead of traditional timber, sliding sash windows provide both style and practicality.


Our team of experienced window fitters ensures an efficient installation process.

Door Manufacturers & Fitters Middlesbrough

We produce our own range of products including both internal and external doors in our local factory on Riverside Park, Middlesbrough. Here we can provide our customers with an overview of the manufacturing process alongside a comprehensive choice of PVCu doors and panel glazing designs available on all of our doors.


All of our doors are manufactured to your properties exact measurements to ensure the best possible fit. Not only do we manufacture all our own products, but we also install them. When fitting all of our internal and external doors we ensure the job is complete with secure locks and give our customers a spare key set as standard. This includes a 10-year guarantee, giving you that extra peace of mind. Check out our great range of doors on offer here at Celestial Windows including composite doors and bi folding doors.


Our friendly family here at Celestial Windows are happy to help with any questions you may have to get in touch today or visit our friendly family run showroom and factory based in Middlesbrough.

casement white 1 french window


bay bow windows

Bay & Bows

outside view of Sliding sash windows

Vertical Sliding Sash

Tilt & Turn


Locking System

Halo Brochure

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Find Out What Celestial Can Do For Your Home…

Celestial Windows is a trading name of Celestial Windows and Conservatories Limited

Authorised and Regulated by the Financial Conduct Authority. We are a Credit Broker and not a Lender. We offer Credit Facilities from one Lender