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Expert Commercial Window Cleaning in London
Trusted by 1200+ London Businesses Since 1979. Fully Insured, No Disruption, Spotless Results Guaranteed
Get your free quotation today
Commercial Window Cleaning Contractors for London Businesses
Welcome to All Clean London – London’s trusted commercial window cleaners and building cleaning specialists since 1979. We work with offices, apartment blocks, educational institutes, and commercial properties of all sizes, ensuring crystal-clear results across the capital.
Our mission is simple: exceeding client expectations every time. That’s why we offer a Money Back Guarantee, assuring complete satisfaction.
Our highly skilled team and advanced equipment handle any challenge, from ground level to high-rise. A pristine building reflects your success, contact us today for a free no-obligation commercial window cleaning estimate.
Specialist Window Cleaning for Every Building
At All Clean London, we offer a wide range of commercial window cleaning techniques to cater to diverse needs​
Get your results in 3 quick steps
An Effortless Process, Guaranteed to impress
Step 1
Request A Quote
Reach out to our specialist team and get your free no-obligation quote at All Clean London today.
Step 2
Book In Your Service
Our team will work closely with you to ensure convenience and minimal disturbance throughout.
Step 3
See The Difference
See why many large corporations trust All Clean London with their commercial window cleaning services.
Committed to Excellence - Trusted accreditations
All Clean London holds ISO accreditations alongside CHAS, SafeContractor, RoSPA membership, and Federation of Window Cleaners approval. They’re the reason London’s largest property managers trust us to work safely and compliantly on their buildings every day.









The Benefits Of Professional Window Cleaning
For London’s commercial properties, regular commercial window cleaning protects glass surfaces from corrosive pollution, maintains building compliance, and ensures your property makes the right impression on clients, tenants, and visitors every day.
Enhanced Aesthetics
Cost Effective Solution
Increased Lifespan
Effortless Scheduling & Updates with Facade360+
Facade 360+ is our scheduling and reporting platform, built specifically for commercial window cleaning contracts.
Property managers and facilities teams get real-time visibility of every clean, which windows were cleaned, when, and by who, giving you a complete compliance audit trail without chasing your cleaning contractor for updates.
All Clean London
See All Clean London's latest commercial cleaning projects on Instagram, follow us for updates!
STORIES OF SUCCESS WITH ALL CLEAN LONDON
Discover How All Clean London Makes A Difference
We have used All Clean for several years, great reliable service. Excellent communication from the office and we always get the same friendly polite cleaners. windows always sparkling... Thanks !
Absolutely fantastic service from start to finish! The team did both the external and internal window cleaning at my property, and the whole process was smooth, professional, and hassle-free. They arrived on time, worked efficiently, and left every window spotless — the difference is amazing! Friendly, reliable, and clearly take pride in their work. I wouldn’t hesitate to recommend them and will definitely be using their services again. Thank you for such a great job!
We live in a large apartment block and recently had All Clean London for our window cleaning. The team did an excellent job — the windows were cleaned efficiently and to a very high standard. The staff were pleasant, professional, and courteous throughout. We’re very happy with the service and would definitely recommend All Clean London.
I would like to commend this window cleaning company for their outstanding service at our office building. The team always conducts themselves in a highly professional and courteous manner. They arrive punctually, work efficiently, and demonstrate exceptional attention to detail . The quality of their workmanship is excellent, leaving the internal office building’s windows spotless and significantly enhancing the overall appearance of our premises. They were respectful of our staff and operations, ensuring minimal disruption during business hours as they always try and arrive promptly for 8.30am when reception opens. We are extremely satisfied with the results and would confidently recommend their services to other commercial properties seeking reliable and professional window cleaning.
We’ve worked with All Clean London for several years, during which they’ve consistently provided a reliable and professional window cleaning service across our portfolio. Their teams are well-organised, compliant, and deliver to a high standard every time. A great contractor to work with — highly recommended.
Really helped us out. Great communication and great quality work. Efficient and cost effective.
I would like to thank Carl.And All Clean London Company Window cleaning.they done a fantastic job on my windows. Definitely use them again.
We are new to All Clean and have found their team very responsive and helpful from set up to booking and tracking of each clean. They have made the process as smooth as possible and accommodated us very well. Highly recommend.
We have worked with All Clean for over a year. They are friendly, professional, efficient and responsive. Thoroughly recommend.
All Clean London have done the window cleaning on our apartment block for the last five years. Great company super friendly always do a great service.
Great service and reasonable price! Nice people to work with too
All Clean London FAQs
Explore our frequently asked questions for insightful answers.Â
Still Have a question?
Contact us for more information.
We have over four decades of experience working on some of London’s most complex and high-profile buildings. We are IRATA-certified, hold ISO 9001, 14001, and 45001 accreditations, and are approved by CHAS and SafeContractor. Every client also gets access to our Facade 360+ software, which provides a complete digital audit trail of every clean, something very few competitors offer.
Yes, where possible we accommodate urgent requests. Call us directly on 020 7127 8079 and our team will assess availability and come back to you the same day.
For planned one-off cleans or pre-event window cleaning, we recommend giving us at least 48 hours notice to schedule the right team and equipment for your building.
We provide full method statements, risk assessments, and proof of insurance on request. All operatives carry relevant certifications including IRATA, IPAF, and PASMA where applicable.
Clients on ongoing contracts also receive a complete clean history through Facade 360+, which serves as a compliance audit trail for building management purposes.
All Clean London was established in 1979, making us one of London’s most experienced commercial cleaning companies. Over more than four decades we have built long-term relationships with property managers, facilities teams, and building owners across the capital, delivering consistent, high-quality results year after year.
Yes, beyond window cleaning we provide facade cleaning, jet washing, gutter cleaning and repair, abseiling and rope access services, solar panel cleaning, eyebolt testing, and glass restoration. Most clients combine window cleaning with one or more of these services on a single contract, which simplifies building maintenance and reduces costs. See our full range of building maintenance services.
Before any new contract begins, our team carries out a full building survey to assess access requirements, window types, height, surrounding environment, and any health and safety considerations.
This allows us to recommend the right cleaning method and provide an accurate quote with no surprises.
Both. We work with property managers and facilities teams on regular scheduled contracts. Weekly, fortnightly, or monthly, as well as one-off cleans for specific projects or seasonal requirements. Regular contract clients benefit from priority scheduling and consistent teams who know their building.
