Finding the best pressure washing in Wellington comes down to matching the method to the surface, because a coastal southerly leaves salt, moss and lichen on weatherboards, roofing and concrete alike. The companies below cover soft washing for painted cladding, high-pressure water blasting for driveways and paths, roof moss treatment and gutter clearing, and several offer pressure washing in Wellington on an annual maintenance cycle. Clear Water Blasting Services works out of Johnsonville, while Chemwash Wellington runs from Porirua.
1Clear Water Blasting Services
Clear Water Blasting Services is an owner-operated exterior cleaning business started by James in 2001 and run from Johnsonville. The same operator quotes, cleans and tidies up on every job, and every clean is photographed before and after. It suits homeowners who want one point of contact, along with property managers and real estate agents who need washes scheduled around a listing date.
Services
- House washing for weatherboard, brick and plaster exteriors
- Soft washing at low pressure for painted surfaces and delicate cladding
- High-pressure water blasting for concrete, pavers and ground-in grime
- Driveway and path cleaning, including moss, oil and tyre marks
- Roof and gutter cleaning, plus fence and deck restoration before re-staining
Highlights
- Owner-operated since 2001, with no subcontractors used on jobs
- Before and after photos documented on every single job
- Quotes returned within 24 hours, from photos sent by text or the online form
- Annual maintenance plan with 10 percent off bundled services and priority scheduling
- Portfolio scheduling for body corporates and property managers, and pre-listing washes for real estate agents
Location & Contact
Name: Clear Water Blasting Services Limited
Address: 44 Kipling Street, Johnsonville, Wellington 6037
Phone: 0274 055 110
Website: clearwaterblasting.co.nz
2Chemwash Wellington
Chemwash Wellington is a family business run out of Porirua that opened in April 1990 and has washed houses across the region since. It works with a low-pressure system, applying detergents that lift dirt, mould and lichen and then rinsing at relatively low water pressure rather than blasting painted surfaces. The range extends from a single deck wash through to full commercial building exteriors.
Services
- Exterior house washing
- Roof washing and roof treatment
- Gutter clearing
- Decking, fence and garden wall washing
- Driveway, path and paving cleaning
Highlights
- Washing houses in Wellington since April 1990, family run and based in Porirua
- Low-pressure cleaning system that uses less water than high-pressure blasting
- Detergents formulated to kill mould, fungus and lichen without harming vegetation
- One of 40 Chemwash franchises nationwide, locally owned and operated
Location & Contact
Name: Chemwash Wellington
Address: Porirua, Wellington
Phone: 04 474 2255
Website: wellington.chemwash.co.nz
3Manta Wash
Manta Wash began trading in 2022 and covers Wellington City, Porirua, Lower Hutt and Upper Hutt from two offices. The crew works mainly in soft wash, using low pressure and biodegradable cleansers with a neutraliser rinse, and switches to high-pressure water blasting for concrete and other hard surfaces. Quoting is done remotely, which suits owners and landlords who would rather not arrange a site visit.
Services
- House soft washing with biodegradable cleansers and a neutraliser rinse
- Water blasting and pressure washing for driveways, patios, decks and footpaths
- Roof soft washing and moss treatment
- Gutter cleaning with debris removal, oxidation removal and downpipe flushing
- Concrete wash and seal using a siloxane-silane sealant
Highlights
- Trading since 2022, with two offices covering Wellington City, Porirua, Lower Hutt and Upper Hutt
- Free estimates issued without a site visit, and no need to be home while the work is done
- Vans fitted with a 1000 litre tank, so a job can run without an on-site water source
- Jobs priced on the size of the building rather than the hours spent on site
- Donates to KidsCan and Trees That Count with every house washing package
Location & Contact
Name: Manta Wash
Address: Wellington
Phone: 027 225 5598
Website: mantawash.co.nz
4ProWash Wellington
ProWash Wellington handles residential and commercial exterior cleaning, assessing each surface before choosing the pressure and treatment it will take. Work is guaranteed for a year after completion. Alongside the exterior side, the team also cleans windows inside and out, which suits owners tidying a whole property at once rather than booking separate trades.
Services
- House washing
- Roof washing and roof treatments
- Gutter cleaning
- High and low pressure water blasting
- Commercial building washing
Highlights
- Workmanship guaranteed for one year after the job is completed
- Interior and exterior window cleaning offered alongside the exterior wash
- Seasonal package deals bundling a gutter clear, roof treatment and house wash
Location & Contact
Name: ProWash Wellington
Address: Wellington
Phone: 027 304 3570
Website: prowashwellington.co.nz
5Pro WaterBlasting Wellington
Pro WaterBlasting Wellington is the Wellington arm of a nationwide exterior cleaning franchise, working across houses, driveways, decks and commercial buildings. The team is fully insured and trained to work on properties of all sizes, using commercial-grade water blasting equipment. Bookings are taken online or over the phone, and gutter repair is offered alongside the clearing work.
Services
- Soft house washing
- Roof moss and mould treatment
- Gutter cleaning and gutter repair
- Deck washing, plus fence and retaining wall washing
- Driveway, path and concrete cleaning
Highlights
- Fully insured, with crews trained to work around properties of all sizes
- Team members trained as Exterior Cleaning Industry Association members
- No fixed contract, with work quoted to the customer’s specification and budget
- Published package price bundling a soft house wash, gutter clean and roof treatment
Location & Contact
Name: Pro WaterBlasting Wellington
Address: Wellington
Phone: 022 527 8526
Website: wellington.prowaterblasting.co.nz
Pressure Washing in Wellington at a Glance
| Business | Based in | Highlight |
|---|---|---|
| Clear Water Blasting Services | Johnsonville | Owner-operated since 2001, with no subcontractors used on jobs |
| Chemwash Wellington | Wellington | Washing houses in Wellington since April 1990 |
| Manta Wash | Wellington | Trading since 2022 |
| ProWash Wellington | Wellington | Workmanship guaranteed for one year after the job is completed |
| Pro WaterBlasting Wellington | Wellington | Fully insured, with crews trained to work around properties of all sizes |
How to Choose the Right Pressure Washing Company in Wellington
- Check that the operator distinguishes soft washing from water blasting, and ask which one they intend to use on painted weatherboard, plaster or a coated roof.
- Ask what happens after the clean, since a post-treatment or moss inhibitor is what slows regrowth on a shaded south-facing wall.
- Confirm the company is insured, and ask how they handle roof and gutter work at height on a two-storey or hillside site.
- Find out whether the quote is fixed on the size of the building or charged by the hour, and whether a site visit is needed before a price is given.
- Ask whether they cover your suburb at standard rates, because coverage across the Hutt Valley, Porirua and the Kapiti Coast varies between operators.
Frequently Asked Questions About Wellington Pressure Washing
How much does a house wash cost in Wellington?
Most operators quote on the size and construction of the building rather than publishing a flat rate. Where prices are published, a house wash starts around $250 and a gutter clean around $140, and bundled packages combining a house wash, gutter clear and roof treatment are commonly discounted against the individual prices. Get two or three quotes, and check whether the figure includes GST.
What is the difference between soft washing and water blasting?
Soft washing runs water at low pressure, in the region of 200 to 500 PSI, and relies on a detergent to lift dirt, mould and lichen. It is the method used on painted weatherboard, plaster and roofing. Water blasting runs much higher pressure, upwards of 2,500 PSI, and is reserved for concrete, pavers and similar hard surfaces. A pressure washing company that uses the same setting on everything risks driving water behind cladding or stripping paint.
How often should a Wellington house be washed?
Every 12 to 18 months suits most homes here. Coastal and south-facing properties collect salt and moss faster and tend to need a wash every 12 months, while sheltered northern-facing houses can often stretch further. If you are booking pressure washing in Wellington before painting, allow time for the exterior to dry properly afterwards.
Will pressure washing damage my paint, plants or pets?
Reputable operators use biodegradable detergents and rinse gardens before and after the wash, and pets are usually kept inside while the work is done. Damage risk comes from the wrong pressure on the wrong surface rather than from the chemistry. Flag anything vulnerable, such as a pond or a vegetable garden, on the quote form so it can be covered off before the crew arrives.
Do I need to be home while the work is done?
Usually not. Most companies only need access to the property and an outdoor tap, and some carry their own water tank so a tap is not required. Several quote from photographs or an address alone, then send before and after images once the job is finished.
Which Wellington suburbs do these companies cover?
Coverage typically runs across Wellington City, from Karori and Kelburn through Newtown and Island Bay out to Miramar, plus the northern suburbs around Johnsonville, Khandallah and Tawa. Porirua, Lower Hutt and Upper Hutt are served by most operators, and some extend to the Kapiti Coast and Wairarapa at standard rates. If your street is not listed on a company’s service area page, it is worth asking, because most will still travel there.
Is roof and gutter cleaning safe to do myself?
Working at height is where most of the risk sits in this trade, and falls from ladders and roofs are a well-documented cause of serious harm in New Zealand. Guidance on working at height is published by WorkSafe New Zealand. Contractors carry harnesses, edge protection and insurance for exactly this reason, which is why roof moss treatment and gutter clearing are usually worth handing over.
Where does the wastewater from a wash go?
Runoff from a driveway or house wash normally reaches the stormwater network, which discharges to streams and the harbour rather than to a treatment plant. That is why operators use biodegradable products and manage runoff on site. Rules on what may enter the stormwater system are set by Wellington City Council, and are worth checking if a job involves paint stripping or oil removal.
How We Chose the Best Pressure Washing in Wellington
Every business in this guide was found by searching for pressure washing in Wellington, then checked against its own website. Names, addresses and phone numbers are taken from the business’s own site rather than a directory feed, so what you see here is what they publish themselves. We also check that each one is actually based in or genuinely serving Wellington, rather than a national operator running a local landing page. A business with no website of its own is not listed, because there is no primary source to verify it against.