Outdoor surfaces can be cleaned in two broad ways: with a pressure washer, or by hand with a broom, a stiff brush, a bucket and a cloth. Neither is better across the board. Pressure washing is quicker and more thorough on hard, durable surfaces with ground-in dirt. Manual cleaning is gentler, needs less equipment and is the right choice for everyday upkeep and for surfaces that force can damage. In Melbourne, the water saving rules shape the choice too.
At a glance
| Pressure washing | Manual cleaning | |
|---|---|---|
| Best for | Ground-in dirt, moss and tyre marks on concrete and pavers | Loose debris, light marks, small areas and delicate surfaces |
| Equipment | A pressure washer connected to a hose, plus power | Broom, brush, bucket and cloth |
| Large areas | Faster and more even | Slow, hard work |
| Risk to the surface | Higher on the wrong surface or if rushed | Lower |
| Water use on hard surfaces | Only in limited circumstances | Sweeping uses none |
What pressure washing does well
Pressure washing lifts the dirt, moss and tyre marks that a broom will not shift from concrete and paving, and it gives a large area such as a driveway an even finish in one visit. That is why it suits driveways, paths, courtyards, patios and garage floors once staining has built up.
It has limits. It is not suitable for every surface, it cannot remove old oil soaked deep into concrete or repair cracks and wear, and used carelessly it can etch concrete or wash out paver joints. Common pressure washing mistakes explains what goes wrong and what to ask a provider.
What manual cleaning does well
- Everyday upkeep. Sweeping leaves, soil and grit needs no water at all. EPA Victoria’s advice for footpaths is to sweep and put the waste in the bin rather than use a hose, which also keeps it out of the stormwater drains.
- Delicate surfaces. Where force could do damage, such as painted surfaces, render, window frames and outdoor furniture, hand cleaning gives far more control.
- Small jobs. A single spill, a doormat area or one corner of a balcony does not need equipment set up.
- Windows. South East Water notes that windows can be washed with a bucket, a high-pressure cleaning unit or a hand-held hose fitted with a trigger nozzle; on glass and frames, cleaning by hand gives the most control.
The limits are time and effort. Scrubbing a whole driveway by hand is slow, tiring and rarely gives an even result on ground-in grime or moss in the texture of the surface.
How the water rules affect the choice
Victoria’s Permanent Water Saving Rules apply every day of the year. Drinking water can only be used to clean hard surfaces such as driveways, paths, concrete, tiles and timber decking where cleaning is needed as a result of an accident, fire, health hazard, safety hazard or other emergency; once staining has developed, and then only once a season; or in the course of construction or renovation.
Two points matter for this comparison:
- The rules restrict water, not just machines. Hosing a driveway by hand is not a way around them. Outside those situations, sweeping is the option.
- When water is allowed, a high-pressure device comes first. The cleaning must be done with a high-pressure water cleaning device, meaning an electric or petrol-powered device that connects to a hose and delivers 9 litres per minute or less. A hand-held hose or a bucket is only for when no such device is available.
The rules apply to drinking water, not rainwater, recycled water, greywater or bore water. What to know before booking driveway pressure washing sets out the rules in full with the official sources; your water corporation can confirm how they apply to you.
Which suits which surface
| Surface | Usually suits | Worth knowing |
|---|---|---|
| Concrete driveway with tyre marks or staining | Pressure washing | Old oil soaked deep into concrete may remain |
| Pavers with moss in a shaded area | Pressure washing, with care at the joints | Re-sanding is a separate job |
| Garage floor | Sweeping, then pressure washing when stained | Clear the floor first |
| Leaves and grit on paths and balconies | Sweeping | No water needed |
| Timber decking or natural stone | Ask first | Some are easily marked |
| Painted surfaces, render and roofs | A specialist | We do not pressure wash these |
| Windows, frames and outdoor furniture | By hand | Gentle methods only |
Using both
Most outdoor areas do best with a mix: regular sweeping and spot cleaning by hand, and pressure washing once staining has developed. How often outdoor paving should be cleaned suggests a routine for each area.
What we offer
Our pressure washing service covers concrete and paved driveways, paths, courtyards, patios and garage floors, with a rinse-down of the surrounding area. We need an outside tap and a power point. It is $2.70 per square metre plus GST, so a 40 m² driveway comes to $109 + GST, and the instant quote calculator shows the price for your area. Fragile surfaces, heavy oil staining and difficult access are quoted after we see photos.
Some manual outdoor jobs are available as extras with our other services: a balcony sweep and mop or a garage sweep with a home clean, and a garage sweep and mop or exterior windows within reach with an end of lease clean of a house.
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Sources
- South East Water — Permanent Water Saving Rules
- Victorian Government (water.vic.gov.au) — Permanent water saving rules
- EPA Victoria — Stormwater
Rules change. Check the official source for your situation; this guide is general information, not legal advice.