House washing costs in New Zealand typically range from $249 to $450 for most standard homes.

Prices vary based on property size, condition, and whether you need additional services like driveway cleaning, roof cleaning, or gutter cleaning.

This guide covers exterior house washing costs, water blasting prices, and soft wash pricing across NZ in 2026 — so you can budget accurately and compare options.

How Much Does House Washing Cost in NZ in 2026?

Most homeowners pay between $249 and $450 depending on property size and condition.

These prices reflect the soft wash cost, a preferred method for NZ homes that’s safer than pressure washing cost or power washing cost.

These are guide prices for homes with standard access and typical levels of exterior buildup. Larger, multi-level, heavily contaminated, or difficult-to-access properties may cost more.

Before accepting a quote, confirm whether the advertised price includes GST.

Simple house washing price examples

• Small home of approximately 80 sqm: Around $249
• Average home of approximately 150 sqm: Around $279
• Larger home of approximately 300 sqm: Around $350
• Very large or complex home: From $450

An accurate quote should consider more than the floor area alone. Photos or a property assessment may be needed when the home has multiple levels, restricted access, delicate exterior materials, or extensive mould and algae growth.

Average House Washing Prices in NZ

If you’re comparing house washing prices, most homeowners in New Zealand pay between $249 and $450 depending on size, access, and condition.

The cost to soft wash a house is usually lower long-term than pressure washing, as it prevents regrowth of mould and algae.

What Is Included in a Professional House Wash?

A professional house wash is designed to remove exterior dirt and organic buildup without using unnecessary pressure on painted or delicate surfaces.

A standard service may include cleaning:

• Exterior walls and cladding
• Fascia and soffits
• Exterior gutters and downpipes
• Eaves
• Entry areas
• Exterior trim
• Visible mould, algae, dirt, and spider webs

The exact inclusions vary between providers. Exterior window cleaning, internal gutter clearing, roof treatment, driveway cleaning, and deck cleaning may be charged separately unless they are included in a package.

Ask for an itemised quote so you know which surfaces and services are covered.

What Affects House Washing Cost in NZ?

House washing prices are based on the amount of labour, cleaning solution, access preparation, and safety planning required.

1. Property size

Larger homes have more exterior surface area to clean. They usually require more solution, longer hose runs, and additional working time.

A compact 80 sqm home will generally cost less than a 300 sqm property, even when both are in similar condition.

2. Single-storey or double-storey access

A double-storey or multi-level property may cost more because technicians need additional equipment and more time to reach upper walls, fascia, eaves, and other elevated areas.

Homes built on sloping sections can also require extra access planning, even when the house appears single-storey from the street.

3. Exterior condition

A lightly soiled home usually requires less work than a property with:

• Heavy mould or algae growth
• Thick spider webs
• Long-term grime
• Salt or environmental residue
• Shaded walls with fungal buildup
• Surfaces that have not been washed for several years

Heavier contamination may require more cleaning solution, dwell time, and repeat application.

4. Cladding material

Different exterior materials require different cleaning methods.

Common NZ exterior surfaces include:

• Weatherboard
• Brick
• Plaster
• Fibre cement
• Metal cladding
• Painted timber
• Concrete or masonry

Older paint, delicate plaster, and weatherboards may need a lower-pressure approach than hard concrete surfaces.

5. Access around the property

The final price may increase when technicians need to work around:

• Narrow gaps between neighbouring homes
• Fences or retaining walls
• Dense vegetation
• Steep sections
• Limited hose access
• Outdoor structures
• Multiple roof or floor levels

Clear access helps the service run more efficiently.

6. Additional services

The quote may be higher when house washing is combined with roof treatment, gutter cleaning, window cleaning, driveway washing, or another exterior service.

However, combining services in one visit may offer better value than arranging several separate appointments.

Soft Washing vs Water Blasting

Soft washing and water blasting are not the same cleaning method.

Soft washing

Soft washing uses a cleaning solution and lower water pressure to remove organic buildup from exterior surfaces.

It is commonly used on:

• Painted walls
• Weatherboards
• Plaster
• Fibre cement
• Exterior trim
• Other surfaces that could be affected by excessive pressure

The cleaning solution helps break down mould, algae, and grime so they can be rinsed away with less physical force.

Water blasting

Water blasting uses stronger water pressure to physically remove dirt from durable surfaces.

It can be appropriate for:

• Concrete driveways
• Some paved areas
• Hard masonry
• Other surfaces confirmed as suitable for pressure cleaning

High pressure should not be used indiscriminately on painted cladding, older materials, seals, or vulnerable exterior surfaces. Incorrect technique can mark surfaces, damage coatings, or force water into areas where it should not enter.

Water blasting prices in NZ

Water blasting for hard exterior surfaces is often priced by area. The guide price in this article is approximately $3 to $4 per sqm, depending on the surface, condition, access, and level of staining.

This rate should not be used as a direct estimate for washing an entire house. Residential house washing is usually priced according to the overall property rather than a simple square-metre water blasting rate.

House Wash Prices in Auckland, Hamilton and Tauranga

House washing prices can vary between properties depending on the home’s size, condition, number of storeys, cladding material, and access.

Most standard residential house washes range from $249 to $450, although larger or more complex properties may cost more.

How Much Does a House Wash Cost in Auckland?

A house wash in Auckland typically costs between $249 and $450 for most standard residential homes. The final price depends on the property size, exterior condition, number of storeys, cladding type, and access around the home.

Small, single-storey properties with light dirt, mould, or algae buildup will usually sit near the lower end of the price range. Larger homes, double-storey properties, tight access areas, or exteriors with heavier contamination may require more time, cleaning solution, and safety preparation.

Several factors can affect the final house wash price in Auckland, including:

• Total property size
• Single-storey or double-storey access
• Weatherboard, brick, plaster, or metal cladding
• Heavy mould, algae, lichen, or spider-web buildup
• Narrow access between neighbouring properties
• Additional services such as gutter cleaning, roof treatment, window cleaning, or driveway cleaning

Auckland’s humid conditions, shaded properties, surrounding trees, and regular rainfall can encourage mould and algae growth. Homes in these conditions may benefit from professional exterior washing every 12 to 18 months.

Because every property is different, an accurate Auckland house wash price should be confirmed through property photos or an on-site assessment. The quote should also clearly state whether GST is included.

House Washing Prices in Hamilton

House washing prices in Hamilton generally range from $249 to $450 for standard residential properties. The final cost depends on the home’s size, condition, access, number of storeys, and the amount of exterior buildup.

Homes near trees, shaded areas, or moisture-prone locations may develop mould and algae more quickly. Double-storey homes, difficult access, and heavy contamination can also increase the amount of labour and cleaning solution required.

For an accurate Hamilton house washing price, request a quote based on your property size and current exterior condition.

House Wash Costs in Tauranga

House wash costs in Tauranga typically range from $249 to $450 for most standard homes. Larger properties, multi-level homes, difficult access, or heavy mould and algae buildup may cost more.

Tauranga’s coastal conditions can expose properties to humidity, salt residue, mould, algae, and general exterior grime. Homes close to the coast or surrounded by vegetation may therefore need more regular exterior cleaning.

A photo assessment or property inspection will provide the most accurate house wash cost for your Tauranga home. Additional services such as roof treatment, gutter cleaning, window cleaning, and driveway cleaning can also be combined into one exterior cleaning package.

Additional Exterior Cleaning Services and Costs

House washing can be combined with other exterior cleaning services when several areas of the property need attention.

Typical additional services may include:

These prices are general guides only. The final cost depends on the property size, condition, height, access, and the services included.

Combining a house wash with roof treatment, gutter cleaning, window cleaning, or hard-surface cleaning may provide better value than booking each service separately.

House Washing Packages in NZ

Combining services is a great way to save. For example, a house wash plus roof treatment and driveway cleaning package reduces home power washing service cost compared to booking each service separately.

These customised exterior cleaning cost packages offer excellent value.

1. House Wash + Roof Treatment

This is one of the most cost-effective combinations for NZ homes. It covers:

• Full exterior house wash
• Roof treatment to kill moss, mould, and lichen

Typical price for homes up to 150 sqm:
$345–$380

For larger homes:

• Expect an additional $1.25–$1.50 per extra sqm
• Double-storey homes may cost slightly more due to access and safety factors

Best for:

• Homes with visible roof growth
• Properties preparing for sale
• Annual maintenance

2. House Wash + Roof Treatment + Gutter Clean

This package gives full top-to-bottom maintenance and is ideal for NZ homes exposed to heavy rain, trees, or seasonal debris.

Typical price for homes up to 150 sqm:
$590–$699

For larger homes:

• Roughly $1.50–$2.00 per extra sqm
• Extra charges may apply for multi-level roofs or complex access

Best for:

• Homes that haven’t been cleaned for 1–2 years
• Properties with tree coverage or blocked gutters
• Preventing water damage and roof issues

3. Full Exterior Clean (Custom Bundles)

Many NZ companies provide custom bundles that can include:

• House wash
• Roof treatment
• Gutter cleaning
• Window cleaning
• Driveway or deck cleaning
• Spider treatment

Typical bundle pricing range:
$650–$1,090+, depending on home size and required services.

These packages offer the most value because they reduce labour cost, travel fees, and repeat setup time.

Why Packages Are Worth Considering

Homeowners often save 15–30% compared to booking each service individually. Packages also ensure the entire property is treated at once, giving a cleaner, more consistent finish and a longer-lasting result.

Important House Washing Pricing Notes

House washing prices in New Zealand aren’t always one-size-fits-all. There are a few key details that can affect your final cost. Understanding these helps you avoid surprises and choose the right service for your home.

1. Minimum Service Charges Apply

Most NZ cleaning companies have minimum fees to cover labour, travel, and setup.

Typical minimum charges:

• $250–$280 + GST for a single service
• Auckland minimums are often slightly higher due to travel time and labour costs

2. Extra Charges for Difficult or Multi-Level Access

If your property has:

• Tight access
• Multiple levels
• Steep sections
• High roofs
• Overgrown areas

…your cost may increase due to additional equipment or safety requirements.

Homes with upper and lower roof levels often require extra safety time, which can add $1.75–$2.00 per extra sqm during package upgrades.

3. Heavy Contamination Can Increase Costs

Mould, lichen, moss, or heavy grime take longer to treat.
Factors that increase price include:

• Long-neglected surfaces
• Severe roof growth
• Thick spider webs
• Fungal build-up on shaded southern walls
• Homes surrounded by trees or foliage

4. Double-Storey Homes Cost More

Two-storey homes often require:

• Extra safety measures
• Additional labour
• Longer hose runs
• Roof access considerations

This usually results in a higher per-sqm rate for roof treatments or house washing.

5. GST Is Often Not Included in Advertised Prices

Many NZ cleaning businesses list prices excluding GST.
Always check whether the quote is:

• + GST
• Or GST-inclusive

This avoids misunderstandings.

6. Location Matters

Prices can vary slightly by region due to travel, labour, and local demand.
Example trends seen NZ-wide:

• Auckland: Slightly higher minimums
• Hamilton: Moderate, stable pricing
• Tauranga: Similar to Hamilton, depending on coastal homes and roof conditions

How to Choose a House Washing Company in NZ (What to Look For)

Look for companies that provide transparent house washing prices, clear soft washer cost breakdowns, and regional quotes (e.g., house wash Auckland price or house washing prices Waikato).

Here’s what to check before booking.

1. Soft Wash Expertise

NZ homes—especially weatherboard, plaster, and older paint—should not be high-pressure washed.
Choose a company that specialises in soft washing, which is safer for:

• Weatherboards
• Painted surfaces
• Roof tiles
• Cladding
• Timber

Using the wrong method can cause water damage or strip paint.

2. Clear, Transparent Pricing

A reliable company should:

• Provide fixed pricing or clear brackets
• Explain any additional costs
• Confirm whether prices include GST
• Offer itemised quotes

Avoid companies who give vague or open-ended pricing.

3. Before & After Photos or Real Examples

Good exterior cleaners always have proof of their work.
Look for:

• Recent before/after photos
• Case studies
• Local examples in your area

This shows the quality you can expect.

4. Insurance & Safety Standards

Proper insurance matters, especially for:

• Multi-level homes
• Roof work
• Ladder-based access
• Wet, slippery areas

Confirm the company is insured and follows proper safety procedures.

5. Eco-Friendly Products

Choose a cleaner that uses biodegradable solutions suitable for NZ conditions.
Eco-friendly products:

• Protect your garden
• Prevent paint damage
• Are safer for pets and children

6. Local Reviews & Reputation

Check reviews on:

• Google
• Facebook
• Local community groups

Reliable companies will have consistent positive feedback in regions like Auckland, Hamilton, and Tauranga.

7. Review customer feedback

Read recent reviews on Google, Facebook, and other relevant platforms.

Look for consistent feedback about communication, punctuality, care around the property, pricing, and the final result.

When to Wash Your Home in NZ (Seasonal Guide)

There is no single schedule that suits every NZ property.

The right frequency depends on location, shade, rainfall, surrounding trees, cladding type, and how quickly mould and algae return.

Here’s a simple guide to help you choose the best time for exterior cleaning in 2026.

1. Best Time of Year: Late Spring to Early Autumn

The ideal window for house washing is October to April.
During this period:

• Surfaces dry faster
• Mould and algae are easier to remove
• Weather is more predictable
• Results last longer

This is also the most popular time to prepare homes for summer gatherings or for sale.

2. Homes Near Trees or Damp Areas

If your home is:

• Shaded
• Surrounded by trees
• Close to bush
• In a humid area

…you may need cleaning more often. These homes tend to build up:

• Mould
• Moss
• Spider webs
• Sap stains

Annual cleaning is recommended.

3. Coastal or High-Rain Areas

Properties in places like:

• Auckland
• Tauranga
• Mount Maunganui
• Hamilton’s river-adjacent suburbs

…often face salt spray, humidity, and consistent moisture.
These conditions accelerate algae and mould growth.

Recommended frequency:
Every 12–18 months for best results.

4. Preparing to Sell or Repaint

If you’re selling or refreshing your home:

• A house wash instantly boosts curb appeal
• Roof treatments help remove visible discolouration
• Clean surfaces help paint adhere better

Pre-sale house washing is one of the highest-ROI maintenance tasks in NZ.

5. After Storms or Heavy Rainfall

If branches, debris, or silt collect around your property, it’s worth checking:

• Gutters
• Roof areas
• Lower walls
• Hard surfaces

A quick clean helps prevent long-term staining and water damage.

Frequently Asked Questions (FAQ)

1. How much does house washing cost in NZ?

Most homeowners pay between $249 and $450 depending on the size of the home, access, and the level of dirt or mould present. Larger homes or multi-level properties will cost more.

2. Does house washing damage paint?

Not when the correct method is used. Soft washing is the preferred technique in NZ because it cleans without stripping paint or forcing water behind cladding.

High-pressure washing should not be used on delicate surfaces like weatherboards.

3. How long does a house wash last?

A professional wash typically lasts 12–24 months, depending on your location, surrounding trees, moisture levels, and how quickly mould or algae return.

4. Do I need to be home during the wash?

No. As long as outdoor taps are accessible and pets are safely inside, most companies can complete the job without you being home.

5. Do you offer cleaning for Auckland, Hamilton, and Tauranga?

Yes. Most professional exterior cleaners, including Sun SoftWash, provide regional teams for Auckland, Hamilton, and Tauranga, ensuring local knowledge and faster response times. Homeowners in these areas can book through their local sub-domain for faster service.

6. How much does driveway cleaning cost in NZ?

Driveway cleaning service cost typically ranges from $3 per sqm, similar to deck cleaning cost, paving cleaning cost, or patio cleaning cost.

7. What is the soft wash cost?

Soft wash pricing depends on house size, roof type, and access. Most standard homes range $249–$450 for a full exterior house wash.

8. How much does it cost to get your roof cleaned?

Roof cleaning cost in NZ typically ranges from $99 to $299 for treatments, while full roof washing cost may be higher depending on size, access, and contamination level.

9. What is the cost of driveway cleaning in NZ?

The average driveway cleaning cost is around $3 per sqm, depending on surface type and staining.

10. How much does window cleaning cost in NZ?

Exterior window cleaning costs range from $59 for small homes up to $399 for larger properties. Price depends on the number of windows, height, and accessibility. Window cleaning is often bundled with a house wash for better value.

11. How much does gutter cleaning cost in NZ?

Gutter cleaning in NZ typically costs $159 to $299, depending on home size, height, and blockage level. Two-storey homes cost more due to access requirements. Auckland gutter cleaning may carry a slightly higher minimum charge.

12. How much does a house wash cost in Auckland?

Most standard Auckland house washes cost between $249 and $450. Larger homes, double-storey properties, heavy exterior buildup, and difficult access may increase the final price. A photo assessment or site inspection is recommended for an accurate quote.

Ready to book or want a price confirmed? We’ll get back to you within 24 hours.

Get a Free Quote

Conclusion

House washing costs in New Zealand vary depending on your home’s size, condition, and the services you choose.

In 2026, most homeowners can expect to pay $249–$450 for a standard house wash, with package deals offering even better value when combining roof treatments, gutter cleaning, or windows.

Regular exterior cleaning not only keeps your home looking sharp but also protects it from long-term damage caused by mould, algae, and grime.

Whether you’re maintaining your home, preparing to sell, or staying ahead of seasonal build-up, getting the right service makes all the difference.