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House Washing Prices New Zealand
Prices in NZD including GST. Standard residential house washing on single-storey homes. Multi-level, heavily contaminated or large properties may cost more.
Last updated March 2026. We benchmark New Zealand house washing prices against roughly 320+ completed and live quote observations, then normalise cladding type, chemical treatment, access difficulty and biocide scope so the ranges compare like-for-like jobs.
House Washing Prices by Service -- New Zealand
Prices in NZD including GST. Standard residential house washing on single-storey homes. Multi-level, heavily contaminated or large properties may cost more.
| Service | From | Average | Up to |
|---|---|---|---|
| 🏠House Wash (Single Storey) Full exterior wash of a single-storey home including cladding, eaves and fascia | NZ$280/job | NZ$390/job | NZ$550/job |
| 🏢House Wash (Two Storey) Full exterior wash of a two-storey home | NZ$450/job | NZ$610/job | NZ$850/job |
| 🏚️Roof Wash Roof soft wash to remove moss, lichen and algae with biocide treatment | NZ$350/job | NZ$520/job | NZ$750/job |
| 🚗Driveway Wash Pressure wash concrete or paver driveway | NZ$150/job | NZ$245/job | NZ$380/job |
| 🪵Deck Wash Wash timber or composite deck to remove mould and prepare for oiling | NZ$120/job | NZ$200/job | NZ$320/job |
| 🔲Fence Wash Wash timber or aluminium fencing to remove algae and mould | NZ$100/job | NZ$175/job | NZ$280/job |
| 🏡Pre-Sale Package Complete exterior clean for property sale — house, driveway, paths, deck and fences | NZ$550/job | NZ$920/job | NZ$1500/job |
| 🏬Commercial Exterior Wash Commercial building exterior cleaning | NZ$500/job | NZ$850/job | NZ$1400/job |
House Washing Prices by City
Click a city for detailed local pricing and tips
Auckland
Auckland Region · 1.7M
From NZ$130/job
Wellington
Wellington Region · 215K
From NZ$110/job
Lower Hutt
Wellington Region · 110K
Pricing available
Christchurch
Canterbury · 390K
From NZ$110/job
Hamilton
Waikato · 180K
From NZ$100/job
Tauranga
Waikato · 155K
Pricing available
Dunedin
Otago · 135K
Pricing available
Queenstown
Otago · 50K
Pricing available
Browse by Region
Auckland Region
Wellington Region
Canterbury
Otago
What Affects Price in New Zealand
Property size and cladding type
Total wall area and cladding material are the biggest pricing variables. Rendered walls, painted surfaces and heritage stone all require different techniques and chemical treatments. The safer the technique needs to be, the slower the job becomes.
Contamination level and chemical treatment
Fresh dust washes off quickly. Heavy mould, black algae and lichen require chemical dwell time and repeat passes. That extra labour is why two homes of similar size can price very differently.
Access, height and water logistics
Single-storey homes with clear access are the cheapest jobs to quote. Multi-storey walls, steep sites, narrow side access and properties without easy water supply all add setup time and equipment cost.
Bundling, biocide and follow-up scope
Quotes rise when house washing is paired with roof cleaning, biocide treatment, driveway work or pre-sale presentation packages. These extras can still be good value, but only if they are called out clearly.
Country Context
New Zealand pricing is strongly influenced by high rainfall, coastal exposure and mould pressure on shaded elevations. Water blasting is common language locally, but delicate cladding and roofing still need low-pressure treatment.
Included vs extra
Usually included
- Site walk-through and assessment of the quoted surfaces
- Labour, standard detergents and soft wash or pressure equipment for the agreed scope
- Basic rinse-down and tidy-up of the immediate work area
- A final check so you can confirm the quoted surfaces were completed
Often extra
- Biocide, mould inhibitor or heavy stain treatment beyond a standard wash
- Roof wash and treatment as a separate scope item
- Scaffold, cherry picker or rope access for difficult-height allowances
- Weekend, urgent or after-hours attendance
DIY vs Professional
Driveways and simple paths
DIY: Possible with a hired unit if you understand surface pressure limits and drainage runoff.
Professional: Professionals are faster, usually leave a more even finish and are less likely to etch the surface.
Rendered walls, roofs and painted surfaces
DIY: High risk. The failure mode is expensive because damage may only show after the job dries.
Professional: A professional soft-wash setup is the safer choice on delicate or elevated surfaces.
Pre-sale whole-property cleaning
DIY: Technically possible but time-intensive and easy to under-scope.
Professional: Bundled professional work usually provides better presentation and tighter turnaround before photos or opens.
Seasonal Booking Guide
Spring
Popular for removing damp-season growth and brightening homes before summer entertaining or sale campaigns.
Summer
Reliable drying conditions improve the value of biocide treatment and sealing add-ons.
Wet-season recovery
In high-rainfall areas, cleaning earlier prevents mould from becoming a recurring repair issue.
House washing in New Zealand ranges from NZ$100/job for basic services to NZ$1500/job for larger commercial or multi-surface jobs. Prices in NZD including GST. Standard residential house washing on single-storey homes. Multi-level, heavily contaminated or large properties may cost more.
The most common house washing services in New Zealand include House Wash (Single Storey), House Wash (Two Storey), Roof Wash, Driveway Wash, Deck Wash and more. Each service has different equipment, chemical and access requirements that affect pricing.
In New Zealand, the service is commonly referred to as house washing / exterior house wash / water blasting. The terminology reflects local industry conventions and the techniques typically used for residential exterior cleaning.
Most homes in New Zealand benefit from exterior washing every 12-24 months. Properties in humid climates, near the coast, or with heavy tree coverage may need annual washing. Dry inland areas may only need washing every 2-3 years.
Property size, cladding type, contamination level, access height and whether biocide treatment is included are the biggest variables in New Zealand. A straightforward single-storey wash is far cheaper than delicate render or two-storey work with treatment.
Most quotes in New Zealand include labour, standard chemicals, equipment setup, the agreed wash scope and a final rinse-down. Biocide treatment, roof washing, elevated access and urgent attendance are commonly quoted as extras.
DIY can work for driveways and paths, but it is poor value on rendered walls, painted surfaces, roofs or multi-storey work if there is any risk of surface damage. Hiring a machine is cheap; fixing damaged render or paint is not.
The best timing in New Zealand is usually just before peak presentation or maintenance demand. Booking ahead of spring cleanup, listing season or major repainting work generally gives better availability and more stable pricing.