Best House Washers in West Coast

Living on the West Coast means embracing the rain. While our lush green landscape is something to be proud of, the high humidity and constant wet weather are brutal on houses. Moss, mould, and lichen don't just look unsightly — they can eat away at your paintwork, rot weatherboards, and even cause health issues if left unchecked.

Finding a reliable house washer who understands the local climate is essential. A good clean every 18–24 months can add years to your home's exterior. But not just any washer will do. The wrong technique or harsh chemicals can damage the unique timber and fibre cement homes common in towns from Karamea down to Haast.

Here’s how to find the best house washers on the Coast and make sure your home gets the treatment it deserves.

What to look for when hiring a House Washer in West Coast

Experience with Soft Washing

High-pressure water might blast dirt off concrete, but it wreaks havoc on wooden weatherboards, window seals, and older roofing. Most quality house washers on the West Coast use a method called soft washing. This involves low-pressure water combined with specialised biodegradable cleaning solutions to kill mould and moss at the root.

Ask if they primarily use soft washing techniques. If they only talk about PSI and high pressure, be cautious — especially if you own a traditional villa or bach.

Local Council Compliance

Wastewater from house washing contains dirt, mould spores, and cleaning agents. Nobody wants that running into our pristine West Coast rivers or stormwater drains. The West Coast Regional Council has specific rules about wastewater discharge during exterior cleaning.

A professional house washer will know how to contain and filter wash water. They should use biodegradable chemicals and have a plan for collecting runoff. If they seem unsure about these rules, that's a red flag.

Full Insurance Cover

Working on ladders, scaffolding, and slippery roofs comes with obvious risks. A legitimate house washer must carry public liability insurance. This protects you if they accidentally damage your property or if someone gets injured on site. Don't be shy — ask to see a copy of their certificate of insurance before they start.

Local Knowledge of West Coast Conditions

The Coast isn't like Canterbury or Otago. We deal with endemic moss, constant damp, and specific types of timber rot. A local operator will know exactly what chemical ratios work in our climate. They won't need to "guess" how to treat black mould on a south-facing weatherboard home in Greymouth or Hokitika — they'll already have a reliable method.

Verifiable Reputation

A Facebook page with 50 likes isn't enough anymore. Look for consistent Google reviews or recommendations on local community pages. A good house washer will happily provide recent references from jobs they've done nearby. If they only have photos from the North Island or generic stock images, keep looking.

Key questions to ask before hiring

  • What cleaning method do you use? — Listen for "soft wash" or "low-pressure wash". Be wary of anyone who only offers high-pressure blasting.
  • Are you insured and can you prove it? — If they hesitate or make excuses, move on immediately.
  • What chemicals do you use? — They should be using biodegradable, plant-based solutions that are safe for pets and gardens. Harsh bleach can kill your plants and contaminate the soil.
  • How do you