Deck Washing

Use a Deck Washing Professional

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Restore the beauty and extend the life of your deck with our deck washing service. Using commercial-grade water blasting technology, HWNZ ensures a deep clean without causing harm. We’ve honed the perfect combination of high-pressure precision, gentle touch, and eco-conscious cleaning agents to deliver superb, long-lasting results.

Our expertise in navigating just the right pressure and flow means we rejuvenate your deck and preserve its integrity. Count on us for top-tier deck rejuvenation. We are experts at elevating the look and hygiene of your outdoor space through our environmentally safe and highly effective deck washing services. Trust the years we have spent perfecting our technique with the latest in high-efficiency equipment to maintain and refresh your deck with care and professionalism.

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What’s Included?

HWNZ offer full service exterior cleaning. So, if you require more than just water blasting, we can discuss other areas such as house washing, roofs, gutters and surrounding property at your request.

See The TEAM

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Benefits of
Deck Washing

Deck washing offers numerous benefits for cleaning a variety of surfaces. Here are the key advantages of deck washing:

  • Enhanced Appearance: Deck washing removes dirt, grime, mould, mildew, and other stains, restoring the deck’s original colour and appearance. This enhances the overall look of your outdoor space and boosts curb appeal.
  • Prevents Damage: Regular deck washing helps prevent the buildup of harmful contaminants that can deteriorate the deck’s surface over time. It protects against rot, mould growth, and other forms of damage, extending the deck’s lifespan.
  • Improves Safety: Cleaning your deck removes slippery algae, moss, and other hazards that can cause slips and falls. This helps create a safer outdoor environment for you, your family, and your guests.
  • Maintains Value: A well-maintained deck adds value to your property. Keeping it clean and in good condition preserves its value and attractiveness, which can be beneficial if you decide to sell your house.
  • Preparation for Refinishing or Staining: If you plan to refinish or restain your deck, washing it beforehand ensures better adhesion and a smoother finish. It removes surface contaminants that could interfere with the staining or sealing process.
  • Cost-Effective Maintenance: Regular deck washing is a cost-effective way to maintain your property. It helps prevent costly repairs or premature deck replacement, saving you money in the long run.

Officially #1 Rated
in Auckland

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Our Reviews

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★ ★ ★ ★ ★
Very professional from start to finish!
★ ★ ★ ★ ★
He and his team use professional equiment.
★ ★ ★ ★ ★
I trust these guys completely and will only use them going forward
★ ★ ★ ★ ★
Very thorough work and great communication throughout
★ ★ ★ ★ ★
Will I use them again! ABSOLUTELY!!
★ ★ ★ ★ ★
Absolutely blown away by Mangala's quick turn around time, efficiency, and professionalism
★ ★ ★ ★ ★
Very quick in his response to our enquiry, friendly and knowledgeable
★ ★ ★ ★ ★
I have to say that Mangala is very professional

Our Happy Clients

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Trusted to Wash
New Zealand’s Best

Why is HWNZ is the preferred option for exclusive property in NZ? We have team leaders on every job site. We pride ourself in service, safety and exceptionally clean results. We are officially the highest rated exterior operator in Auckland with over 200 5 Star Google Reviews.

The Right Tools
for the Job

Exterior cleaning requires not only care and attention to detail, but the right tools for each specific washing task.

HWNZ invest in the right equipment to run any exterior job efficiently and safely. Our fleet of hybrid vehicles keep our carbon footprint as low as possible and the correct size machines power through work safely and thoroughly.

Our pure water systems leave you with a better, spot free result on any windows that need cleaning and our extension equipment get to all those hard to reach spots effectively.

We invest in the right equipment so you don’t have to worry about the pain of maintenance and equipment that doesn’t go to good use. Call the HWNZ team for a free Quote

Our Equipment

Building washing vans - House Wash New Zealand
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Building washing vans - House Wash New Zealand
Building washing equipment - House Wash New Zealand
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Pressure meter
Building washing vans - House Wash New Zealand
Building washing equipment - House Wash New Zealand
House washing vans - House Wash New Zealand
Pressure meter

Come Home to

For more than 6 years, HWNZ has earned a name for quality and customer service. The property owners we serve rely on us for detail-oriented, consistent cleaning services, every single time we wash their homes and businesses.

Here to Serve

With the right team and the right experience, our team is fully equiped to serve you with the best service and the best results.

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The Right Equipment
The Right Team

Call us now to discuss your requirements and receive a no obligation, free quote.

Our Cleaning

Unsightly dirt, grime, and moss accumulation on decks and other outdoor surfaces diminishes their appearance and poses a safety risk to your family and visitors. Our specialised deck washing service employs a variable pressure cleaning and treatment process, delicately eliminating stubborn build up from wood and composite decking. By effectively removing dirt and grime, we ensure your deck looks fantastic and is safe for use. Our treatments often feature a potent mould inhibitor, guaranteeing a clean, slip free surface. Trust us to rejuvenate your deck, creating a welcoming and hazard free outdoor space for everyone to enjoy.


: We recommend scheduling deck washing services annually to keep your deck clean and well-maintained. However, the frequency may vary depending on factors such as weather conditions, the amount of foot traffic, and the presence of mould or mildew.

No, regular soap can damage your deck. It is best to use a specialised deck cleaning solution to clean your deck.

Our professional deck washing services utilise a combination of water blasting and soft washing techniques tailored to your deck’s specific material and condition. This ensures thorough cleaning without causing damage to the surface.

Yes, our deck washing services are designed to effectively remove dirt, grime, mould, mildew, and other stains, restoring the natural beauty of your deck and enhancing its appearance.epends on the specific needs of your property. Generally, it is recommended to water blast once a year or as needed for specific surfaces.

Absolutely! We prioritise environmentally friendly practices and offer eco-friendly cleaning solutions that are safe for your family, pets, and the environment.

Yes, we have experience washing various decks, including wood, composite, vinyl, and concrete. Our team is equipped to handle the unique cleaning requirements of each deck type.

Yes, regular deck washing helps prevent damage caused by dirt, mould, mildew, and other contaminants, ultimately extending the lifespan of your deck and saving you money on repairs or replacements.