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Exterior
Building Washing
Exterior Cleaning That Protects and Preserves Your Property
The outside of your building is the first thing people see and it sets the tone for everything inside. Over time, weather, pollution, and organic growth can make even the best-kept facilities look tired. City Cleaning’s building washing services restore your exterior surfaces, protecting your investment and helping your property look its best year-round.
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Our trained technicians use safe, proven methods to remove dirt, mould, mildew, and stains from all building types from commercial offices and council buildings to schools, retail spaces, and industrial sites.
Gentle on Surfaces, Tough on Grime
Not all building materials can be treated the same way. We use the right combination of low-pressure washing, soft-wash techniques, and environmentally friendly cleaning agents to remove grime without damaging paint, cladding, or sealants.
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Whether your exterior is brick, concrete, metal, or painted weatherboard, our team assesses the surface condition before selecting the most effective and safe cleaning process. The result is a deep, even clean that revives colour and extends the life of your exterior finishes.
Improving Presentation and Protection
A clean building doesn’t just look good it lasts longer. Regular washing removes contaminants that can cause corrosion, rot, or permanent staining, protecting your asset from costly repairs.
Our services help:
Prevent mould and lichen build-up
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Maintain paint and surface coatings
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Reduce wear from salt and pollution
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Improve safety by removing slippery residues on walkways and entries
​Routine exterior cleaning is an easy, cost-effective way to maintain property value and demonstrate pride in your facilities.
Safe Work Practices You Can Rely On
Safety is at the core of every job we do. Our building washing teams are fully trained and certified in working at heights, harness use, and elevated work platforms. Comprehensive site risk assessments are completed before work begins, and all cleaning is performed in line with Health and Safety at Work Act 2015 requirements.
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We also use containment methods to prevent run-off from entering stormwater drains, ensuring compliance with environmental regulations.
Sustainable Cleaning, Certified Results
Every building wash we complete sits under our Toitū Enviromark Diamond-certified Environmental Management System. This means sustainable products, water-efficient techniques, and environmentally responsible waste management.
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Our cleaning agents are biodegradable and non-toxic, ensuring your site looks great without compromising the surrounding landscape or waterways.
Flexible Scheduling, Minimal Disruption
We work around your schedule to ensure minimal impact on staff, tenants, and visitors. Cleaning can be arranged outside operating hours, over weekends, or during quieter periods to avoid disruption.
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Whether you need a one-off building refresh or a programmed maintenance plan, we’ll tailor our services to meet your timeline and site requirements.
