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

Riverlands

Riverlands, Blenheim

Just wanted to send a big thank you for the wonderful job you did at our place today. The windows have been a bit of a worry as I haven't been able to do them for some time. The gutters had an amazing clean-out which is great as Graham may not be able to do jobs like that again and the house walls look great!