How Much Should It Cost to Power Wash a Patio in the UK?

If you’ve ever looked out at your garden and thought your patio looked a bit worse for wear, you’re not alone. Over time, patios accumulate dirt, moss, algae, weeds, and stains. A proper power wash (also known as pressure washing or jet washing) can transform it, making your garden space look fresh and welcoming again.

But if you’re not planning on doing it yourself, you’ll probably want to know: how much does it cost to power wash a patio in the UK?

The answer isn’t entirely straightforward, as costs depend on a range of factors—patio size, condition, type of surface, and even where you live. In this guide, we’ll break it all down, so you know exactly what to expect and how to budget for the job.

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Average Cost to Power Wash a Patio in the UK

On average, most homeowners in the UK can expect to pay £100–£350 for professional patio cleaning. The cost is usually calculated per square metre or per job, depending on the contractor.

Here’s a quick look at the typical prices:

💡 Key takeaway: For most average-sized UK patios, expect to spend somewhere around £150–£250.

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How Professionals Calculate Costs

There are three main pricing methods that patio cleaning companies use:

1. Per Square Metre Pricing

   • Most common in urban areas and for regular domestic work.

   • Prices typically range from £3–£5 per m² depending on the surface type and cleaning complexity.

2. Hourly Rates

   • Some contractors prefer to charge by the hour.

   • Typical rates are £30–£50 per hour, and a medium-sized patio usually takes 2–4 hours.

3. Flat Job Rate

   • Especially common for smaller patios or standard jobs.

   • You’ll get a single figure quote upfront (e.g., £180 for the whole job).

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Factors That Influence the Cost

Several variables affect how much you’ll pay. Here’s what matters most:

1. Size of the Patio

• Unsurprisingly, the bigger the patio, the more you’ll pay.

• Contractors often bring industrial-grade pressure washers that cover ground quickly, but larger areas still add labour time and water usage.

2. Type of Surface

Different surfaces require different cleaning techniques and pressures.

3. Condition of the Patio

• Light dirt/algae → Quicker and cheaper.

• Heavy moss, weeds, or oil stains → Longer cleaning time, possibly with chemical treatments, pushing up the price.

4. Location

• Prices vary across the UK.

  • London & South East: Expect to pay on the higher end (£4–£5 per m²).

  • North of England, Wales, Scotland: Slightly cheaper (£3–£4 per m²).

5. Extras

Many contractors offer additional services alongside power washing.

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DIY vs Professional Patio Cleaning

You might wonder: why not just hire or buy a pressure washer and do it myself?

DIY Costs

• Pressure washer purchase: £100–£400 (depending on brand and power).

• Hire a pressure washer: £30–£50 per day.

• Cleaning products: £10–£30.

• Your time: 3–6 hours for an average patio.

Pros of DIY

• Cheaper if you already own the equipment.

• You can do it at your own pace.

• Satisfaction of seeing instant results from your own effort.

Cons of DIY

• Domestic power washers aren’t always powerful enough for heavy moss or ingrained dirt.

• Risk of damaging delicate surfaces if you don’t know the right pressure.

• More effort, especially if the patio is large.

• You may skip finishing touches like re-sanding or sealing, which professionals usually include.

Bottom line: DIY patio cleaning could cost you as little as £40–£70 if you rent equipment, but the results may not match professional standards.

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Case Studies: Real-World Costs

Here are some realistic examples of what homeowners in the UK might expect to pay.

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How Often Should You Power Wash a Patio?

Most UK homeowners get their patios professionally cleaned once every 1–2 years.

• High-traffic patios (e.g., frequently used or shaded areas with lots of moss/algae growth) may need yearly cleaning.

• Low-maintenance patios (e.g., sunny spots with good drainage) may only need cleaning every 2–3 years.

Regular sweeping and light cleaning can help extend the time between professional washes.

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Tips for Saving Money

1. Get multiple quotes – Prices vary widely between contractors. Always get at least 2–3.

2. Book off-peak – Many companies are busiest in spring/summer. You may find lower prices in autumn/winter.

3. Bundle services – Some offer discounts if you also get your driveway, decking, or gutters cleaned at the same time.

4. Maintain between cleans – Regular brushing and weed control means less build-up, making future professional cleans cheaper.

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Red Flags When Hiring a Contractor

Not all patio cleaning companies are equal. Watch out for:

• Very low prices (e.g., “£50 for any patio”) – may indicate poor equipment or unskilled labour.

• No insurance – accidental damage could cost you.

• Lack of reviews or references – always check Google, Trustpilot, or Checkatrade.

• Cash-only demands – less professional and harder to track if issues arise.

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Environmental Considerations

Power washing uses a lot of water, and sometimes chemicals. If you’re eco-conscious:

• Ask your contractor if they use biodegradable cleaning solutions.

• Consider sealing your patio afterwards to reduce future build-up.

• For DIY, avoid harsh bleach or acid-based cleaners that can harm plants and pets.

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Quick Comparison: Costs at a Glance

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Final Thoughts

So, how much should it cost to power wash a patio in the UK?

For most homeowners:

• A small patio will cost around £100–£150.

• A medium patio will cost £150–£250.

• A large patio may set you back £250–£350+.

Add-ons like re-sanding, sealing, or weed removal will push up the total, but they also add value by protecting your patio long-term.

If you’re on a budget, DIY is an option, but for speed, efficiency, and long-lasting results, a professional clean is often worth the money.

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✅ Key takeaway: Budget around £3–£5 per m² for professional patio power washing in the UK.

Regional Cost Variations Across the UK

Where you live can significantly impact how much you pay.

• London & South East – Higher labour and business costs push prices to the top end (closer to £5 per m²).

• Midlands – Average rates around £3.50–£4 per m².

• North of England – Slightly cheaper, often £3–£3.50 per m².

• Scotland, Wales & Northern Ireland – Generally competitive rates, sometimes under £3 per m² in smaller towns.

If you live in a rural area, you might find fewer companies to choose from, but prices can be lower due to less overhead.

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Common Patio Problems Power Washing Can Solve

A patio clean isn’t just about aesthetics—it can tackle real maintenance issues:

1. Moss & Algae Growth

   • Slippery surfaces can be a safety hazard. Power washing removes this buildup.

2. Weeds in Joints

   • Especially in block paving, weeds make patios look untidy. Cleaning dislodges them, and re-sanding helps keep them away.

3. Oil & Grease Stains

   • BBQs, cars, and garden tools can leave stains. Professionals often use degreasers before pressure washing.

4. Weathering & Discolouration

   • Natural stone and concrete darken over time. Cleaning restores original colours.

5. Lichen Spots

   • Tough white or black spots (sometimes called “black spot algae”) are common on patios. These need specialised treatments, often included by pros.

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Choosing the Right Patio Cleaning Company

With so many options, it’s worth knowing what to look for before hiring. Here’s a checklist:

• ✅ Check reviews on Google, Trustpilot, or Checkatrade.

• ✅ Ask for a detailed quote (including extras like re-sanding or sealing).

• ✅ Verify insurance – damage can happen if high pressure is used incorrectly.

• ✅ Compare equipment – commercial pressure washers are far superior to DIY models.

• ✅ Confirm waste disposal – ask if they responsibly deal with dirty water and debris.

A reputable company should happily answer questions and provide references if asked.