Fortis Windows Limited
  • Greenmount
Fortis Windows Limited specialise in all aspects of windows, doors and conservatories and offer bespoke and affordable installation.

Fortis Windows Limited are a friendly and professional family run business with a number of years of experience in the trade.

Shaun and John offer an outstanding service from the initial survey through to completion of the project, whilst being mindful of your specific requirements and budget. Fortis Windows undertake a wide range of projects including windows, doors, porches and conservatory installations.

FENSA Approved

FENSA is a government-authorised scheme that monitors building regulation compliance for replacement windows and doors.

Every FENSA Approved Installer, from large national brands to small local companies, is assessed regularly to ensure its standards are continually maintained.



A conservatory is an affordable way to add a calming, relaxing and bright space to your home, as well as increasing the value of your property. Just a little sunshine in every season will fill your conservatory with light and warmth, making it the perfect place to spend time. 

Conservatories act as a great investment in your home, improving the overall look and giving you extra space without moving. They are also low maintenance and are built with high quality weather and sound proof materials which are also environmentally friendly. 


UPVC Windows and Doors

UPVC Windows and doors from Fortis Windows are stylish, durable and secure an there is a huge range to choose from. 

Offering an affordable solution to improving the appearance, energy efficiency and security of your home. No matter what the age, style or size of your property, Fortis Windows can install high quality windows and doors at an affordable price. 

Fortis Windows are one of just a few companies in the area to be an approved Endurance Door installer, the safest doors that money can buy.


Bi-folding Doors

Bi-folding doors instantly give a new dimension to any room and are particularly popular for connecting to your garden. Even when closed, bi-folding doors increase natural light and bring you the space, comfort and low maintenance luxury of modern living. 

Fascias and Soffits

PVC-U fascias, soffits and guttering make a real difference to your property and give it a new lease of life. All of these products are available in a range of colours and woodgrain finishes to suit the individual style of your property and personal tastes. 


Additional Services

Fortis Windows offer a range of additional services including warm roofs, double glazing repairs and Residence Collection window frames, which offer the look of heritage wood but with the security of UPVC. 

To contact the team at Fortis Windows call 07983 118 995 or click the links at the top of this page.

Fortis Windows



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Fortis Windows are Safe Contractor approved and a Fensa registered expert installers!

Transform your home with the help of highly skilled and accredited tradesmen! Read article
Latest Feedback

In December 2020
H L Ashton said

Good workmanship - impressice on looks, price. All work carried out was very clean.