House Washing Auckland — Soft Wash, Exterior Cleaning & Moss Treatment

Auckland's humidity, rainfall and coastal exposure create the perfect environment for moss, mould and grime to build up on your home's exterior. DBR Construction provides professional house washing, soft washing, pressure washing and moss treatment across all of Auckland — from North Shore to South Auckland, West Auckland to East Auckland.

Get a Free House Washing Quote within 48 Hours. Call +64 20 4104 8060.

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Our House Washing Services

Soft Wash House Washing

The safest and most effective method for painted surfaces, weatherboards, stucco and brick. Low-pressure application of biodegradable chemicals kills moss, mould and algae — then a gentle rinse removes it without damaging paint.

• Cost: $290–$550+ per house (depending on size)
• Best for: Weatherboard homes, painted surfaces, stucco, brick
• Chemicals: EPA-approved, biodegradable, pet and plant safe (when directed)

Pressure Washing

High-pressure water blasting for hard surfaces that can withstand the force. Removes stubborn stains, oil, moss and grime.

• Cost: $200–$500+ depending on area
• Best for: Concrete driveways, paths, brick walls, decks, fences
• Not suitable for: Painted surfaces, weatherboards, stucco (can damage)

Roof Cleaning & Moss Treatment

Moss and lichen grow rapidly on Auckland roofs due to high rainfall and humidity. We apply targeted moss treatment that kills growth at the root, then safely remove debris.

• Cost: $350–$800+ (depending on roof size and pitch)
• Best for: Concrete tile, coloursteel, corrugated iron roofs
• Treatment: Benzalkonium chloride (commercial-grade moss killer)

Driveway & Path Cleaning

Oil stains, moss, tyre marks and general grime removed with high-pressure washing.

• Cost: $200–$500+
• Best for: Concrete, asphalt, paving stones

Deck Cleaning

Timber and composite deck cleaning — removes mould, moss and UV-degraded surface fibres. Prepares deck for re-staining or oiling.

• Cost: $150–$400 per deck
• Best for: All deck types (timber, composite, kwila)

Mould & Mould Treatment

South-facing walls in Auckland are particularly prone to mould growth due to lack of sunlight. We treat and kill mould at the surface and root level.

• Cost: $100–$300 per affected wall
• Best for: South-facing walls, shaded areas, damp properties

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House Washing Cost Guide — Auckland 2026

| Service | Size | Cost (incl. GST) | |---|---|---| | House wash (soft wash) | 2-bedroom, single storey | $290–$330 | | House wash (soft wash) | 3-bedroom, single storey | $330–$390 | | House wash (soft wash) | 4-bedroom, single/double storey | $390–$450 | | House wash (soft wash) | 5-bedroom, double storey | $450–$550+ | | Roof cleaning + moss treatment | Average 3-bed home | $350–$800 | | Driveway cleaning | Standard driveway | $200–$500 | | Deck cleaning | Average deck | $150–$400 | | Full exterior package | House + roof + driveway | $700–$1,500+ |

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Auckland Environmental Factors

High Humidity (70–80% Average)

Auckland's humidity creates ideal conditions for moss, mould and algae growth. South-facing walls, shaded areas, and properties near bush (Titirangi, Waitākere) are worst affected. We recommend house washing every 12–18 months.

Coastal Salt Spray

Properties within 1–2km of the coast (North Shore, East Coast Bays, Mission Bay, Devonport) accumulate salt on exterior surfaces. Salt attracts moisture, accelerating mould growth and corroding metal fixtures. Regular washing extends paint life and prevents corrosion.

High Rainfall

Auckland receives 1,000–1,400mm of rain annually — this drives organic growth on roofs, walls and paths. Roof gutters and valleys are particularly prone to moss build-up.

Volcanic Soil

Properties in Mt Eden, Epsom, Three Kings and One Tree Hill sit on volcanic basalt — the mineral-rich soil can stain paths and driveways with a reddish tinge that requires specialist cleaning.

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Soft Wash vs Pressure Washing — Which Do You Need?

| Feature | Soft Wash | Pressure Washing | |---|---|---| | Pressure | Low (100–500 PSI) | High (2,000–4,000 PSI) | | Method | Chemical + gentle rinse | Water force | | Best for | Painted surfaces, weatherboards, stucco, roofs | Concrete, brick, paving, decks | | Paint damage risk | None | High (if used on painted surfaces) | | Moss/mould kill | Yes (kills at root) | No (removes surface only — regrows) | | Duration of clean | 12–18 months | 3–6 months (regrowth faster) |

Rule of thumb: If it's painted or delicate — soft wash. If it's hard and unpainted — pressure wash. Most Auckland homes need both: soft wash for the house, pressure wash for the driveway and paths.

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Auckland Council & Environmental Compliance

Stormwater Bylaw

All cleaning runoff must not enter Auckland's stormwater system untreated. We use:

• Biodegradable chemicals that break down within 24–48 hours
• Containment and diversion methods for chemical runoff
• EPA-approved products (not bleach or harsh acids)

EPA Regulations

All cleaning chemicals we use are registered with the Environmental Protection Authority and safe for use around gardens, pets and children when applied correctly.

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Service Areas

North Shore: Albany, Browns Bay, Devonport, Takapuna, Glenfield, Birkenhead, Mairangi Bay, Torbay, Castor Bay West Auckland: Henderson, Titirangi, Glen Eden, New Lynn, Te Atatū, Massey, West Harbour, Helensville South Auckland: Manukau, Papakura, Takanini, Manurewa, Papatoetoe, Pukekohe East Auckland: Howick, Pakuranga, Botany, Beachlands, Maraetai, Bucklands Beach Central Auckland: Mt Eden, Grey Lynn, Ponsonby, Herne Bay, Parnell, Remuera, Newmarket, Sandringham

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Quick Answers — House Washing in Auckland

How much does house washing cost in Auckland? House washing in Auckland costs $290–$550+ depending on the size of your home. A 2-bedroom single-storey home starts at $290 + GST, a 3-bedroom is $330–$390, and a 4-bedroom is $390–$450. A full exterior package (house + roof + driveway) costs $700–$1,500+.

How often should I wash my house in Auckland? Every 12–18 months. Auckland's high humidity (70–80%), heavy rainfall (1,000–1,400mm/year) and coastal exposure accelerate moss, mould and grime build-up. South-facing walls and shaded properties may need washing every 12 months.

Is soft wash or pressure washing better? Soft wash is better for painted surfaces, weatherboards and roofs — it kills moss and mould at the root without damaging paint. Pressure washing is better for concrete, brick and paving. Most Auckland homes need both: soft wash for the house, pressure wash for hard surfaces.

Does house washing damage paint? No — soft washing uses low pressure and biodegradable chemicals that won't damage paint. Pressure washing CAN damage paint if used incorrectly on painted surfaces — that's why we always assess the surface and choose the right method.

How long does house washing take? A standard 3-bedroom single-storey home takes 2–4 hours. Larger homes, double-storey homes, or properties with significant moss/mould growth may take 4–6 hours.

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People Also Ask — House Washing FAQ

Can I wash my house myself?

You can, but there are risks. Using a pressure washer on painted surfaces can strip paint and force water under cladding. Incorrect chemicals can damage plants, stain surfaces and contaminate stormwater. Professional house washers have the right equipment, EPA-approved chemicals, and training to do the job safely and effectively.

What chemicals are used in soft washing?

We use biodegradable, EPA-approved cleaning solutions containing sodium hypochlorite (at safe dilutions), surfactants and mould killers. These break down within 24–48 hours and are safe for gardens and pets when applied correctly. We never use undiluted bleach or harsh acids.

How long does a soft wash last?

A professional soft wash keeps your home clean for 12–18 months in Auckland's climate. The chemical treatment kills moss and mould at the root, so regrowth is much slower than with pressure washing alone (which only removes surface growth — regrowth in 3–6 months).

Do you clean roofs as well?

Yes. We provide roof cleaning and moss treatment using low-pressure application of commercial-grade moss killer (benzalkonium chloride). This kills moss, lichen and algae at the root, then rain gradually removes the dead growth. We don't pressure wash roofs — it can damage tiles and force water under flashings.

Can you remove oil stains from my driveway?

Yes. We use high-pressure washing combined with degreasing agents to remove oil, tyre marks and general grime from concrete and asphalt driveways. Cost is $200–$500 depending on the driveway size and stain severity.

Do you service commercial properties?

Yes. We provide exterior cleaning for commercial buildings, body corporate properties, and property management portfolios across Auckland. We offer scheduled maintenance programmes (quarterly, biannual, or annual) with discounted rates.

Is house washing safe for my garden?

Yes. We use biodegradable chemicals that break down within 24–48 hours. We also pre-wet gardens before application and rinse plants afterward. If you have specific plants you're concerned about, let us know — we can adjust our approach or cover sensitive areas.

What's the difference between house washing and exterior cleaning?

House washing typically refers to cleaning the exterior walls (weatherboards, brick, stucco). Exterior cleaning is a broader term that includes house washing plus roof cleaning, driveway cleaning, deck cleaning, gutter cleaning and mould treatment. We offer all of these services.

Do you offer regular maintenance programmes?

Yes. We offer annual, biannual and quarterly maintenance programmes for Auckland homeowners and property managers. Regular washing extends paint life, prevents permanent staining, and keeps your property looking its best. Programme customers receive discounted rates.

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Ready for a spotless home? Call +64 20 4104 8060 or request your free house washing quote today. On-site within 48 hours.