About US
North Canterbury Waterblasting
Your Local Exterior Cleaning Experts – Backed by Experience, Guaranteed Results
At North Canterbury Waterblasting, No job is too big or too small. Proudly locally owned and operated, we aim to deliver reliable, high-quality exterior cleaning services across North Canterbury.
Led by our hands-on owner, Kalen Johnstone, brings over 6 years of experience in the building industry and personally guarantees every job. We’re a small, hardworking team committed to outstanding workmanship, affordable pricing, and treating your property with the care it deserves.
- We service everything from residential houses to rural driveways and commercial buildings.
- Proudly locally owned and operated.
What We Do Best
Our Services
Spider Control & Prevention
Say goodbye to creepy crawlies with our 9-month guaranteed spider-proofing spray, applied by an expert who knows exactly where spiders hide.
Price starting from just $199 – now taking bookings through Spring, so get in quick!
- Long-lasting protection with a 9-month knockback guarantee
- Targets common spider hotspots for thorough coverage
- Affordable peace of mind starting from just $199
House Washdown
Selling your house? A professional washdown can instantly boost street appeal and add value. We use hot or cold water with pressure adjusted to suit your cladding for safe, effective cleaning.
Perfect for regular maintenance or preparing your home for sale.
- From $299 - Increases property value and visual appeal
- Safe for all cladding types with pressure control
- Removes mould, mildew, and built-up grime
Driveway Cleaning & Treatment
Bring back that fresh concrete look. Driveway cleaning from $199 with treatment from $349.
We start with a special treatment to lift oil stains, grime, moss, and algae, followed by a thorough clean using our Rotating Surface Cleaner – a specialist tool that delivers even pressure and professional results.
We can also apply a protective treatment afterward to prevent regrowth.
Perfect for concrete, paving stones, or asphalt.
- Lifts stains and grime for a clean, like-new finish
- Rotating Surface Cleaner ensures even results
- Optional treatment helps prevent future growth
Roof Cleaning & Treatment
Your roof takes a beating from the elements – let us restore it.
Roof cleaning from $299 with treatment from $449. Just like our driveway service, we start with a targeted treatment to break down moss, lichen, and grime, followed by a professional clean using appropriate pressure and technique to preserve the surface.
We finish with an optional moss/mould prevention spray for long-lasting results.
- Removes damaging moss, lichen, and build-up
- Gentle but effective cleaning to protect your roof
- Preventative treatment helps extend roof life
Gutter Clearing
Blocked gutters? We clear out debris and give your gutters a soft waterblast to ensure proper flow and reduce the risk of overflow or water damage from $199. We safely remove all debris from your property – no mess left behind.
- Prevents water damage and overflow issues
- Soft waterblasting protects gutter integrity
- Full debris removal with no clean-up required
Paint & Graffiti Removal
Whether you’re repainting your home or cleaning up unwanted tags, we’ve got the tools and experience.
We use medium to high pressure washing to remove old, flaking paint or spray paint without damaging your surfaces.
Let’s get that fresh canvas ready.
- Safely strips old paint or graffiti without surface damage
- Prepares surfaces for a smooth repaint
- Fast, effective solution for vandalism removal
Preventative Treatments
Every service we provide can be combined with custom moss, mould, algae, or lichen treatments.
These professional-grade sprays help protect your property and extend the life of the clean.
Ask us about the best option for your surface.
- Helps prevent regrowth after cleaning
- Prolongs the life of exterior surfaces
- Tailored treatments for specific surface types
No job too big or small – all work is guaranteed.
Seasonal Specials & Packages
Winter/Spring Control & Preventative Treatment Package
From $599
Save $400 on bundled services
Service Included
- Roof Treatment: Removes moss, mould, fungus, lichen & algae
- Driveway Treatment: Removes moss, mould, fungus, lichen & algae
- Spider Control: Internal garage + exterior coverage Includes 9-month guarantee
Limited time offer – perfect for seasonal protection!
Winter Special Deal
From $649
Great value seasonal bundle
Service Included
- House Wash: Full exterior wash to remove dirt, mould & grime
- Gutter Clean: Debris removal to prevent overflow and water damage
- Roof Treatment: Targets moss, mould, lichen, algae & fungus
- Driveway Treatment: Removes organic growth & restores surface appearance
Perfect for freshening up your property this winter
Price may vary based on property size – contact us for a quick quote!
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Trusted by Homeowners Across North Canterbury
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How long does spider proofing last?
We guarantee results for up to 9 months. Reapplication annually is recommended for consistent protection.
Is high-pressure washing safe for all surfaces?
Yes – we adjust our pressure and use soft washing where needed, depending on the surface (cladding, timber, painted areas, etc.).
What areas do you service?
We cover the Christchurch and entire North Canterbury region – from Kaiapoi and Rangiora to Amberley, Oxford, and surrounding areas.
Do you work with real estate agents or landlords?
Absolutely! We regularly work with property managers, landlords, and vendors prepping homes for sale or rent.