Professional roof cleaning services in London for commercial and industrial properties. We safely remove moss, algae and build-up, helping extend roof lifespan and prevent costly repairs while improving appearance and maintaining long-term performance.
A clean, well-maintained roof is essential for protecting your building and avoiding costly repairs. Our professional roof cleaning services are designed for commercial and industrial properties, safely removing moss, algae and debris using proven, non-damaging methods.
We tailor our approach to each roof type, using specialist treatments and equipment to deliver long-lasting results while maintaining the integrity of the surface. Whether reactive cleaning or planned maintenance, we ensure minimal disruption and full compliance with health and safety standards.
We work with facilities managers, property professionals and business owners to deliver reliable roof cleaning solutions across a wide range of commercial buildings, helping maintain a safe, professional and well-presented property all year round.
Moss, algae and debris can quickly damage your roof if left untreated, leading to costly repairs and reduced lifespan. Our commercial roof cleaning services are designed to safely remove build-up and apply effective treatments that prevent regrowth, keeping your roof protected, functional and looking its best.
We combine advanced access equipment with proven methods to safely clean all roof types, ensuring efficient results without damage or disruption to operations.
Every roof requires the right approach to ensure safe and effective cleaning.
We work across a wide range of residential and commercial roof types, using specialist access equipment and proven methods to deliver high-quality results without causing damage.
Whether working at height or on complex structures, we ensure full safety compliance and minimal disruption at every stage.
Access Methods We Use:
Restore your roof before damage builds up. Our specialist cleaning removes moss, algae and debris, helping protect your property, extend roof lifespan and maintain a clean, professional appearance all year round.
We specialise in commercial and industrial roof cleaning, understanding the demands of large buildings, complex access and strict safety requirements, delivering reliable, professional results tailored to your property.
We use safe, non-damaging cleaning methods, including manual removal and biocide treatments, ensuring moss and algae are removed effectively without compromising the structure or lifespan of your roof.
Our team works to strict health and safety standards, providing RAMS documentation, trained operatives and full insurance cover, giving you complete confidence on every project we undertake.
We don’t just clean your roof, we apply treatments that prevent regrowth, helping extend roof lifespan, reduce maintenance costs and keep your property looking professional for longer.
We use manual moss removal and biocide treatments, avoiding high-pressure washing to protect roof materials and ensure effective, long-lasting results without causing damage.
Most commercial roofs benefit from cleaning every 1–3 years, depending on the environment, with preventative treatments helping reduce the need for frequent maintenance.
No, we avoid pressure washing as it can damage tiles and roofing materials, instead we use safe, controlled methods designed specifically for roof cleaning.
Biocide treatments can last several years, gradually breaking down moss and preventing regrowth, keeping your roof cleaner for longer with minimal ongoing maintenance.
We clean tile, slate and metal roofs, but do not typically clean EPDM rubber, felt, or GRP fibreglass roofs due to their sensitivity.
We take precautions to protect surrounding areas, clearing debris and ensuring gutters and drainage systems are properly managed during and after cleaning.
Yes, we use specialist access equipment, including cherry pickers and lifts, allowing us to safely clean roofs on buildings of all sizes.
Yes, for larger or complex projects, we carry out site surveys to assess access, roof condition and requirements before providing a detailed quote.
This privacy policy sets out how Alexander Cleaning & Maintenance LTD uses and protects any information that you give Alexander Cleaning & Maintenance LTD when you use this website.
Alexander Cleaning & Maintenance LTD is committed to ensuring that your privacy is protected. Should we ask you to provide certain information by which you can be identified when using this website, then you can be assured that it will only be used in accordance with this privacy statement in compliance with the UK General Data Protection Regulation (UK GDPR) and the Data Protection Act 2018.
Alexander Cleaning & Maintenance LTD may change this policy from time to time by updating this page. You should check this page from time to time to ensure that you are happy with any changes. This policy is effective from 24/02/2026.
What we collect
We may collect the following information:
What do we do with the information we gather?
We require this information to understand your needs and provide you with a better service, in particular for the following reasons:
Lawful basis for processing
We process your information under the following lawful bases:
Security
We are committed to ensuring that your information is secure. To prevent unauthorised access or disclosure, we have put in place suitable physical, electronic and managerial procedures to safeguard and secure the information we collect online.
How long we keep your data
We will retain personal data only for as long as necessary for the purposes explained above. Certain records, such as consultation forms, may be kept for up to 7 years in line with industry guidelines.
How we use cookies
A cookie is a small file which asks permission to be placed on your computer’s hard drive. Once you agree, the file is added and the cookie helps analyse web traffic or lets you know when you visit a particular site. Cookies allow web applications to respond to you as an individual. The web application can tailor its operations to your needs, likes and dislikes by gathering and remembering information about your preferences.
We use traffic log cookies to identify which pages are being used. This helps us analyse data about web page traffic and improve our website to tailor it to customer needs. We only use this information for statistical analysis purposes and then the data is removed from the system.
Overall, cookies help us provide you with a better website, by enabling us to monitor which pages you find useful and which you do not. A cookie in no way gives us access to your computer or any information about you, other than the data you choose to share with us.
When you first visit our website, you will be asked to accept or reject non-essential cookies (such as analytics or advertising cookies). You can change your preferences at any time by clicking the “Cookie Settings” link in the footer of our site.
Links to other websites
Our website may contain links to other websites of interest. However, once you have used these links to leave our site, you should note that we do not have any control over that other website. Therefore, we cannot be responsible for the protection and privacy of any information which you provide whilst visiting such sites and such sites are not governed by this privacy statement. You should exercise caution and look at the privacy statement applicable to the website in question.
Controlling your personal information
You may choose to restrict the collection or use of your personal information in the following ways:
We will not sell, distribute or lease your personal information to third parties unless we have your permission or are required by law to do so.
Your rights under UK GDPR
Under UK GDPR, you have the right to:
If you would like a copy of the information held on you please email info@commercialwindowcleanerlondon.com or write to Church House Farm, Little Brington, Northampton NN7 4HN.
If you believe that any information we are holding on you is incorrect or incomplete, please write to or email us as soon as possible at the above address. We will promptly correct any information found to be incorrect.
This website and its content are protected by copyright laws. All rights reserved.
The content of this website, including but not limited to text, graphics, images, logos, and software, is the property of Alexander Cleaning & Maintenance LTD or its content suppliers and is protected by the United Kingdom and international copyright laws.
You may not reproduce, distribute, publish, display, modify, create derivative works from, or exploit in any way the content of this website without the prior written consent of Alexander Cleaning & Maintenance LTD.
You may download, print, and store limited copies of the content of this website for your personal, non-commercial use, provided that you do not alter or remove any copyright, trademark, or other proprietary notices.
Any unauthorized use of the content of this website may violate copyright laws, trademark laws, and other laws. Alexander Cleaning & Maintenance LTD reserves the right to take legal action against any unauthorised use of the content of this website.
This website, Alexander Cleaning & Maintenance LTD, uses cookies to improve your browsing experience and to help us understand how users interact with our site. This Cookies Policy explains what cookies are, how we use cookies, and how you can manage your cookie preferences.
What are cookies?
Cookies are small text files that are stored on your device when you visit a website. They are widely used to make websites work, or work more efficiently, as well as to provide information to the owners of the site.
How we use cookies
We use cookies for a variety of purposes, including:
Cookies that we use
We use the following types of cookies on our website:
Cookie consent
When you first visit our website, you will be asked to accept or reject non-essential cookies (such as analytics or advertising cookies). Essential cookies will be placed regardless, as they are required for the website to function.
Changing your preferences
You can change your cookie preferences at any time by clicking the “Cookie Settings” link in the footer of our site.
Third-party cookies
Some cookies may be placed by third-party providers (for example, Google Analytics or embedded social media content). These providers may set their own cookies in line with their own privacy and cookie policies.
Cookie duration
Some cookies are session-based and will be deleted when you close your browser. Others are persistent and remain on your device until they expire or are deleted.
Managing your cookie preferences
Most web browsers allow you to manage your cookie preferences. You can set your browser to accept all cookies, to block certain types of cookies, or to block all cookies. You can also set your browser to alert you when a website tries to set a cookie.
Please note that if you block or delete cookies, some features of our website may not work properly.
For more information about managing your cookie preferences, please refer to the help section of your browser or visit www.aboutcookies.org.
This website is operated by Alexander Cleaning & Maintenance LTD (the “Website”). By using the Website, you agree to be bound by these Terms of Use (the “Terms”). If you do not agree to these Terms, please do not use the Website.
The Website is intended for your personal, non-commercial use. You may not use the Website for any illegal or unauthorized purpose. You may not use the Website in a way that could damage, disable, overburden, or impair the Website or interfere with any other party’s use of the Website.
The content of the Website, including but not limited to text, graphics, images, logos, and software, is the property of Alexander Cleaning & Maintenance LTD or its content suppliers and is protected by the United Kingdom and international copyright laws. You may not reproduce, distribute, publish, display, modify, create derivative works from, or exploit in any way the content of the Website without the prior written consent of Alexander Cleaning & Maintenance LTD.
The Website is provided on an “as is” and “as available” basis. Alexander Cleaning & Maintenance LTD makes no representations or warranties of any kind, express or implied, as to the operation of the Website or the information, content, materials, or products included on the Website. Alexander Cleaning & Maintenance LTD will not be liable for any damages of any kind arising from the use of the Website, including but not limited to direct, indirect, incidental, punitive, and consequential damages.
Alexander Cleaning & Maintenance LTD will not be liable for any damages of any kind arising from the use of the Website, including but not limited to direct, indirect, incidental, punitive, and consequential damages.
Alexander Cleaning & Maintenance LTD reserves the right to modify these Terms at any time without notice. Your continued use of the Website after any such modification constitutes your acceptance of the modified Terms.
These Terms and your use of the Website will be governed by and construed in accordance with the laws of England and Wales, without giving effect to any principles of conflicts of law.
This website (the “Website”) is provided by Alexander Cleaning & Maintenance LTD on an “as is” and “as available” basis. Alexander Cleaning & Maintenance LTD makes no representations or warranties of any kind, express or implied, as to the operation of the Website or the information, content, materials, or products included on the Website.
Alexander Cleaning & Maintenance LTD will not be liable for any errors or omissions in the content of the Website, or for any actions taken in reliance on the information provided on the Website. Alexander Cleaning & Maintenance LTD will not be liable for any damages of any kind arising from the use of the Website, including but not limited to direct, indirect, incidental, punitive, and consequential damages.
Alexander Cleaning & Maintenance LTD does not warrant that the Website will be available at all times or that the Website or any content will be error-free. Alexander Cleaning & Maintenance LTD reserves the right to modify, suspend, or discontinue the Website or any content at any time without notice.
The content of the Website is provided for general information purposes only and is not intended to be a substitute for professional advice. You should always seek the advice of a qualified professional before making any decisions based on the information contained on the Website.
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You can find out more in our Privacy Policy & Cookie Policy.