DIY pressure washing can reduce the upfront cost of cleaning a driveway, patio or paved area. However, equipment hire is only part of the expense. For Mawson Lakes homeowners, the better-value option depends on surface condition, drainage, cleaning time and the risk of damage.
This guide compares the main costs to help you decide. All figures are indicative budgeting allowances in Australian dollars, not verified local quotes. Actual 2026 prices vary by provider, equipment, access and job requirements.
How Much Does DIY Pressure Washing Cost?
Hiring a pressure washer avoids the purchase price and storage requirements of owning one. Before booking, check whether the machine suits your surface and whether a surface-cleaning attachment is included.

- Equipment hire: Allow approximately $70–$160 per day, depending on machine capacity and attachments. Cleaning products and protective equipment: Budget around $20–$60, depending on what you already own. Collection, delivery or fuel: Allow approximately $20–$50 where applicable. Water and power: Add these separately using the equipment specifications and your current utility tariffs. Additional equipment: Wet vacuums, wastewater containment equipment or specialist attachments may increase the total.
These basic allowances produce a DIY cash cost of approximately $110–$270, before utilities, additional equipment and your time. Check hire-period limits, cleaning fees and refundable deposits before comparing prices.
Buying Instead of Hiring
Basic domestic pressure washers commonly cost a few hundred dollars, while more capable equipment costs substantially more. Ownership can make sense for regular cleaning, but include accessories, maintenance and replacement parts in your calculation. A low-cost machine may also take longer to clean a large paved area.
How Much Does Professional Pressure Washing Cost?
For budgeting, a straightforward residential driveway or paved area of roughly 40–60 square metres might attract a professional quote around $200–$450. This is an indicative allowance rather than a Mawson Lakes market average. Minimum call-out charges, heavy staining, difficult access and wastewater recovery can push prices higher.
Ask whether the quote includes GST, pre-treatment, surface cleaning, edge work, rinsing and cleanup. Oil treatment, rust removal, paver re-sanding and sealing are often separate services. Complete stain removal is not always possible, particularly where oil has penetrated concrete.
Comparing the True Cost
Compare both options against the same scope of work. For example, if DIY expenses total $180 and a written professional quote is $300, the apparent saving is $120. If the DIY work takes four hours, you effectively save $30 for each hour spent collecting equipment, preparing, cleaning and returning it.

This is an illustrative calculation, not a prediction of job duration. Larger areas, stubborn stains and inadequate equipment can increase the time considerably.
The cheapest option is not necessarily the lowest-risk option. Excessive pressure can etch concrete, remove jointing sand, damage timber and strip coatings. Repair costs can quickly exceed the original cleaning saving.
Mawson Lakes Considerations That Affect Price
Drainage and Wastewater
Before cleaning, identify where runoff will travel, including any connection to street drains or nearby waterways. In South Australia, contaminated wash water must not enter the stormwater system. Detergent, oil, sediment and paint residue require appropriate containment and disposal; a product labelled biodegradable does not make stormwater discharge acceptable.
Check current EPA South Australia guidance and any relevant City of Salisbury requirements. Ask contractors how they manage runoff, especially where paving slopes towards the street.
Surface Type and Condition
Concrete, https://pressurecleaningmawsonlakes.com.au/commercial-pressure-cleaning/ pavers, painted surfaces and timber need different cleaning methods. Pavers may need jointing sand replaced after cleaning, while delicate finishes may require a lower-pressure approach. Obtain a separate assessment for roofs or suspected asbestos-containing materials rather than treating them as ordinary DIY pressure-washing jobs.
When Is Each Option Better Value?
Consider DIY for a small, sound, accessible surface when you have suitable equipment, understand the cleaning method and can manage runoff safely. Consider a professional for large areas, delicate finishes, heavy contamination or jobs requiring wastewater recovery. Compare written quotes with matching inclusions, and confirm relevant insurance, stain-treatment limitations and responsibility for cleanup.For Mawson Lakes homeowners, the most useful comparison is the total cost of achieving a safe, satisfactory result—not simply the hire fee versus the contractor’s price.
Mawson Lakes Pressure Cleaning
Unit 7/12 William St, Cavan SA 5094
(08) 7282 0689