Chemwash Top of the South

Exterior Cleaning & House Washing Nelson

Your Local Exterior Cleaning Experts

Chemwash is New Zealand’s leading exterior cleaning company and the first to adopt soft washing techniques.

Locally owned and operated, Chemwash Top of the South is committed to delivering exceptional results, ensuring your property always looks its best. We clean it all—houses, buildings, roofs, fences, concrete, and more. Our services cater to both residential and commercial properties, including shopfronts, gutters, wooden decks, and outdoor structures. Proudly serving Nelson, Blenheim, Marlborough Sounds, Golden Bay, St Arnaud, and the West Coast, we’re your local House Washing experts.

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About Us
About Us

Learn More About Our Friendly, Professional Team.

Commercial
Commercial

Improve You First Impression With Our Tailored Commercial Cleaning Solutions.

Residential
Residential

View All Residential Exterior Cleaning Services Helping To Protect Your Investment.

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What Our Clients Are Saying

Yvonne

Nelson

Chemwash did an excellent job! The gutters are shining white and the whole area looks brilliant. Thank you for such a well-trained and pleasant person on the job. He was careful with the pressure and I didn’t need to run around the house with towels.