Let Your Windows Shine
From regular maintenance cleans to one-off deep cleans, we’ll leave your windows looking spotless.
About C-Thru Window Cleaning Specialists
Professional Cleaning for
Homes & Businesses
C-Thru Window Cleaning Specialists provide professional window cleaning and exterior cleaning services for homes and businesses throughout Greater Belfast, County Antrim, County Down and across Northern Ireland. With expertise in commercial window cleaning and domestic window cleaning, the company delivers reliable, high-quality results using traditional window cleaning methods alongside modern reach and wash window cleaning systems. From offices, shops, schools and factories to private homes, C-Thru Window Cleaning Specialists offer tailored cleaning solutions designed around each customer’s needs. Services include interior and exterior window cleaning, gutter and PVC cleaning, regular maintenance contracts, one-off cleans, conservatory cleaning, solar panel cleaning, gutter cleaning, pressure washing and a wide range of exterior surface cleaning services.
The team helps maintain properties with detailed cleaning of windows, frames, sills, screens, uPVC cladding, fascias, gutters and outdoor surfaces. Using professional equipment and cleaning products where appropriate, C-Thru provides efficient and effective cleaning with minimal disruption to commercial operations. Whether you require scheduled commercial cleaning, regular residential window cleaning or specialist exterior cleaning, C-Thru Window Cleaning Specialists provide dependable service across Belfast and surrounding areas including Antrim, Bangor, Lisburn, Newtownards, Carrickfergus, Newtownabbey, Ballymena, Newry and many other Northern Ireland locations.
For clean windows, well-maintained exteriors and professional property care, C-Thru Window Cleaning Specialists are your local experts for domestic, commercial and specialist cleaning services.
What we do
Professional Cleaning Services
Commercial Window Cleaning
A clean and well-maintained building creates a better impression for customers, visitors, staff and clients. We provide reliable commercial window cleaning for offices, shops, schools, factories and other commercial premises, with cleaning schedules tailored around your business.
Domestic Window Cleaning
Keep your home looking its best with professional window cleaning from a local team you can rely on. From regular residential window cleaning to one-off cleans, conservatories, frames, sills and specialist exterior cleaning, we provide a convenient service designed around your property.
Gutter & uPVC Cleaning
Keep your property looking well-maintained with professional gutter and PVC cleaning from a local team you can rely on. From gutter cleaning to fascias, soffits, frames and other uPVC surfaces, we remove built-up dirt, grime, moss and debris to leave your property's exterior looking fresh and cared for.
Full Service List
Our Full Range of Services
Commercial Clients
Trusted by Leading Brands
We’re proud to provide professional cleaning services for businesses and well-known brands across a range of industries. From busy retail stores and restaurants to gyms and commercial premises, our team delivers a reliable, high-quality service every time.
Take a look at some of the businesses we’ve had the pleasure of working with.
Before & After
See the Difference for Yourself
A professional clean can transform the appearance of a property. From windows and frames to gutters, PVC surfaces, patios and other exterior areas, our before-and-after results demonstrate the difference that professional cleaning can make.
Follow C-Thru Window Cleaning Specialists
What We’ve Been Up To
Want to see what we’ve been up to? Follow C-Thru Window Cleaning Specialists on Instagram for a behind-the-scenes look at our latest work, before & afters, satisfying transformations and the properties we’ve been helping to keep looking their best.
How It Works
Professional Cleaning Made Simple
01.
Tell Us What You Need
Get in touch by phone, WhatsApp or through our online enquiry form and tell us about your property and the cleaning you require.
02.
Receive Your Quote
We can discuss your requirements and provide a quote based on the work involved.
03.
Choose Your Schedule
Arrange a one-off clean or set up a regular cleaning schedule that works for your home or business.
04.
Enjoy the Results
Our team carries out the agreed work professionally and efficiently, leaving your windows and exterior surfaces looking their best.
Testimonials
See What Our Customers Say
We’re proud of the reputation we have built with our customers.
From homeowners looking for regular window cleaning to businesses requiring reliable commercial maintenance, our customers value our professionalism, quality of work and friendly service.
Areas We Cover
Window Cleaning Across Northern Ireland
We provide cleaning services throughout Greater Belfast, County Antrim, County Down and many other areas across Northern Ireland.
Don’t See Your Location?
We cover a wide range of local areas, but our service area doesn’t stop there. If you don’t see your location listed, get in touch with us, we may still be able to help.
FAQs
Have questions about our window cleaning services? Find answers to some of the most common questions below. If you can’t find what you’re looking for, get in touch and we’ll be happy to help.
Your Local Window Cleaning Specialists
C-Thru Window Cleaning Specialists are a trusted local cleaning company providing professional window cleaning and exterior cleaning services throughout Greater Belfast and Northern Ireland. The company specialises in commercial and domestic window cleaning, offering traditional methods and modern reach and wash systems to achieve excellent results safely and efficiently. C-Thru supports homeowners, landlords and businesses with reliable scheduled maintenance, one-off cleaning services and specialist exterior cleaning solutions including gutters, conservatories, solar panels, uPVC surfaces and pressure washing. With a focus on quality workmanship, customer service and minimal disruption, C-Thru Window Cleaning Specialists help keep residential and commercial properties clean, presentable and well maintained.