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Dirty and cleaned French doors

Trusted window cleaning services across Northern Ireland

If you are looking for a regular window cleaning service, choose NII Clean. Based in Coleraine, we have a team that provides regular window cleaning for more than 500 customers across the country.

Water-fed pole window cleaning from a skilled team that never leave streaks or stains

With over 500 residential and commercial customers, NII Clean in Coleraine are the go-to team of window cleaners in Ireland

Since NII Clean commenced trading in 2019, we have built up an enviable reputation for fantastic cleaning, excellent service and affordable prices. Our team of window cleaners are highly skilled in using the water-fed pole system and will leave your windows looking immaculately clean and superbly streak-free! We are able to provide regular services throughout the country to homeowners with domestic properties and commercial property owners. If you are looking for a regular window cleaning services that is hassle-free, affordable, reliable and trusted by many, then get in touch with our team today. We look forward to hearing from you!

Dirty windows


Cleaned windows


Residential and commercial window cleaning that suits your needs

Our services are available on a one-off or regular basis. Opt to have your windows cleaned monthly, bi-monthly or every 6 weeks.

Water-fed pole cleaning with perfectly clean 0.00 water

We use perfectly clean water that never leaves streaks or stains, and we also ensure that frames and sills are cleaned as part of our process, not just the glass.

water drops on smooth surface

Ensure your windows shine with streak-free window cleaning services

At NII Clean we are proud to be exterior cleaning experts and alongside our window cleaning services offer roof cleaning, soft washing, pressure washing and uPVC cleaning. We are on hand to offer help, advice and information and we also have a well-stocked trade counter and online shop for cleaning equipment and consumables.

Thank you so much to the hardworking guys at NII Clean and especially Shay & Philip

These guys carried out an excellent job cleaning my roof today.  They arrived on time, did an excellent job and cleaned up after. They weren't hard to pay and everything went smoothly. I would highly recommend NII Clean to my family & friends.

Ann-Marie Mooney

Facebook review


The NII Clean showroom is located on Bushmills Road in Coleraine. We welcome local customers that are both private or in the cleaning trade themselves and we also supply online to customers throughout Ireland. We are stockists for PdPro. Streamline Systems & CBD pressure Washers, take a look at some of our featured stock below.

Contact the window cleaning experts at NII Clean

We are one of Ireland's premier cleaning companies and are on hand to offer information, advice and free quotes. Why wait? Get in touch today to find out just how great your property can look with the right cleaning service.

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