Windows & Door Specialists in Belfast

Welcome to Focus Windows NI Ltd

Focus Windows NI Ltd has 25 years’ experience in the uPVC home improvement market, supplying and installing only the highest quality products available on the market. We pride ourselves on delivering the best products at the lowest prices.

Our Services

upvc doors and windows

uPVC Windows & Doors

Click to view more...

fascia & guttering in belfast

Fascia, Soffits, Guttering & Dry Verge

Click to view more...

conservatory installation in belfast

Sun Rooms & Conservatories

Click to view more...


Contact Us

Click to view more...

door (1)

Door Builder

Design your dream door with our easy-to-use door-building software.

If interested in getting a quotation for the door you have designed, simply enter your details and one of our team will be in touch.

About Focus Windows NI

sun room installation in belfast

Focus Windows NI Ltd use the most advanced glazing system available in the UK combined with the most advanced uPVC frames. Keeping the company overheads to a minimum, allows us to pass on savings to you the customer - giving you the very best for a lot less!

At Focus Windows NI Ltd we are aware that home improvements can be a daunting and expensive task - after all nobody wants to pay out for a bad job from a cowboy outfit. That's why we use only fully trained fitting teams and engineers to make sure that your windows, doors, conservatories and roofline are fitted to the highest standards first time - every time. You can rest assured you are in safe hands from start to finish with a great after-sales service included.

With fully trained employees Focus Windows NI Ltd ensure that customers are listened in detail from 1st contact until completion of all works taking their every thought and need into consideration from the point of design through the stages of survey, manufacture and installation. We believe at Focus Windows NI Ltd that the service that we provide will not be matched and expertise and knowledge that we have gained over the years will benefit the customer immensely.

Focus Windows NI Ltd supply and install only the highest quality products available on the market using the Rehau Tritec Profile which incorporates internal glazing to give added security and peace of mind to our customers. Our doors are all fitted with a 5 point multi lock as standard which furthermore improves security.

Give us a call today or leave us a message on our contact page for a free quote!

upvc door fitting & installation in belfast

Give us a call today or leave us a message on our contact page for a free quote!


Client Reviews

Here at Focus Windows NI, we take great pride in our work, and so we love hearing from all of our happy customers.

Take a look at some of our reviews or leave one of your own!

Highly recommend Focus Windows. I needed repairs done and the service was superb. A very friendly and professional company. Thankyou!


Facebook Review

Ordered and fitted our new back door - a great service from start to finish. Would definitely use again.


Facebook Review

Really pleasant installation workers who worked really hard and did a great job. Would definitely recommend this company to anyone.


Facebook Review

From start to finish these guys were amazing. Highly recommended.


Facebook Review

Great company to work with. Professional, no hassle response to my initial request for a quote, great pricing and excellent professional fitter. Would highly recommend this company.


Google Review

Just had a maintenance check done for guttering - as always a pleasure to deal with Focus Windows and Robert, a gentleman.


Google Review

Had Gary and Bushy round and they done all my windows. The boys did an impeccable job, clean, efficient workers, left the place as they found it! Cheers lads.


Google Review

Best company I have ever dealt with. Prices, customer service, quality and workmanship is first class.


Google Review

One of the best company's about. Do a lot of work for me and will continue to use them. Thanks Paul!


Google Review

To all at Focus - thanks for a brill job. Couldn’t be happier with our new windows/door and fascia/guttering. Work carried out to a high standard and I would highly recommend Focus Windows NI.

Checkatrade Review

Focus windows were 1st class from start to finish, from the surveyor to the fitter, brilliant job , very efficient and tidy, I would highly recommend.

Checkatrade Review

Superb service from placement of order to completon. Would highly recommend this company. Great job.

Checkatrade Review