EXTERIOR BUILDING CLEANING
Professional cleaning of all types of building exteriors to remove dirt, staining, and environmental build-up, restoring appearance and protecting surfaces.
• Improves the appearance of buildings and outdoor spaces
• Removes dirt, algae, and pollution that can cause long-term damage
• Helps extend the life of exterior surfaces and finishes
• Creates a cleaner, safer environment for occupants and visitors
• Maintains buildings to a professional and presentable standard
The UK’s Trusted Exterior Building Cleaning Professionals
APT ICC provides professional exterior building cleaning services across England and Wales, supporting a wide range of sectors with safe, effective cleaning of building exteriors. Exterior building cleaning covers the thorough cleaning of all types of elevations, helping remove environmental dirt, algae, staining, and general build-up that naturally accumulates over time.
Our teams clean all types of buildings, from high-rise developments and factory units to offices, museums, universities, estates, heritage properties, and large residential buildings. We work across a wide range of surface types including brick, stone, render, painted finishes, glass, cladding, tiles, and other exterior materials, ensuring each surface is cleaned using the most appropriate method.
Exterior building cleaning is often known by different names, such as façade cleaning, building elevation cleaning, or external property cleaning. While the terminology may vary, the purpose remains the same: to safely restore the appearance of building exteriors while protecting the underlying materials. The correct approach depends on the building type, surface condition, and surrounding environment, particularly where buildings remain in use during works.
With over 35 years of experience, APT ICC is trusted by Facilities Management companies, local authorities, commercial property owners, and industrial operators to deliver exterior building cleaning on both modern and sensitive sites. Every project is assessed in advance to ensure the right cleaning method is selected, with safety, surface protection, and minimal disruption always prioritised.
APT ICC regularly carries out exterior building cleaning on live sites across England and Wales, including operational industrial facilities, public buildings, heritage locations, and commercial premises. All works are delivered under strict health, safety, and environmental controls, providing reliable, high-quality results that help maintain and protect building assets.
“To all concerned, APT carried out a tremendous job to remove and clean all the algae staining from the commercial centre under difficult circumstances involving the movement of public, this was managed and delivered without incident thanks to all at APT.”
Mr. Russel – Head Surveyor, Heyward Properties
“APT were engaged to carry out the removal of severe algae and moss staining to the Travelodge building in the centre of Newport City. They advised on several other areas and provided cost saving solutions. The team project planned and delivered exceptional results under our budget cost, will be using on other projects in the future and have no hesitation in recommending them.”
“Having been recommended to APT I would like to state how professional they carried out their work on a difficult project. They were very flexible and worked around my production. We saved thousands of pounds due to Andrew’s expertise of the industry. We will definitely be using APT for all our future projects.”
Lance Wilmott – Health & Safety Manager, Mayphil
“I would like to thank you for carrying out the stone cleaning programme and surface cleaning, both myself and Richard turner we very impressed and have no doubt in calling upon APT for future work on CADW projects”
Neil Daniels – CADW
Exterior building cleaning removes dirt, algae, staining, and pollution from outside surfaces. It helps restore the appearance of buildings and protects materials from long-term damage. Regular cleaning also keeps sites looking professional and well maintained.
Exterior cleaning can be carried out on industrial units, offices, public buildings, commercial properties, and large residential blocks. Surfaces may include brick, stone, render, cladding, glass, and painted finishes. Each building is assessed to choose the safest cleaning method.
Small, low-level areas may be cleaned in-house. However, larger buildings, high-level work, or sensitive surfaces usually require specialist access equipment and experience. Using the wrong method can cause damage or uneven results.
The best approach depends on the surface and condition of the building. Methods such as soft washing, controlled pressure washing, or steam cleaning are commonly used. Incorrect pressure or chemicals can damage finishes or force water into the structure.
Yes, when properly planned and controlled. Professional cleaning is often carried out while buildings remain in use, with measures in place to protect people, access routes, and surrounding areas. Planning helps minimise disruption.
This depends on location, exposure to pollution, and the type of surface. Some buildings benefit from routine cleaning, while others are cleaned before inspections, refurbishment, or handover. Regular maintenance can reduce long-term costs.
Yes. Removing algae, dirt, and pollution helps prevent surface degradation and staining. Clean surfaces are also easier to inspect andmaintainover time.
Yes. Some exterior cleaning tasks can be supported with the right professional-grade chemicals. APT ICC can advise on suitable products, including those manufactured by APT Commercial Chemicals, which we use on exterior cleaning projects across England and Wales.
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