5 quick tips to clean your patio and decking

When used correctly, pressure washers can save you plenty of time and help you get rid of stubborn built-up grime and dirt from various surfaces.

If you're not sure how to start, we're here to help. Below you'll find our tips to make cleaning your decking or patio easier than ever.

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1. Clear and sweep the patio/decking

Firstly, ensure your patio is clear of furniture or any large items. 

Once your patio is clear, you'll want to take a brush and give the entire surface a sweep. Remove leaves or any bigger bits of debris that could potentially fly around once you start using the pressure washer.

2. Make sure your hose is firmly attached and water is running freely

Even if your hose is already attached to the tap, double check it's attached firmly enough. 

Once you're sure, turn on the hose and release the lance trigger until water runs freely for around 20 seconds. This will get rid of any air before you switch on the power. Be aware the initial spray can be very strong, so point the nozzle at the ground first.

3. Test the pressure and apply detergent if needed

You don't have to use detergent, but if you do, make sure you wet the patio first by using a light setting. This way you can also test the pressure washer before you start using it and adjust the setting if you feel like you need more pressure to get rid of the dirt. Be careful of blasting wooden decking with high pressure or you can ruin the surface. Also be careful not to blast the mortar or sand between paving or you'll have to replace it.

Browse through our pressure washer reviews before you buy and see how highly we rate the model you've had your eye on.

4. Work from the edge or corner of the patio

Once you're happy with the water pressure and the setting that will help you get rid of unwanted grime, start by working your way from the edge or corner of the patio in sweeping motions. 

If necessary, play around with the setting or use the most powerful setting or the rotary lance to remove tough ground-in dirt. Be aware that direct water pressure can roughen or damage the patio slabs, so only do so if you're sure your patio can take the pressure.

5.) Rinse off using a lower pressure

Once the dirt, grime or stains have been removed, don't forgot to rinse of any leftover detergent and wash of any last bits you may have missed 

Is your patio still looking a bit shabby? Consider refreshing it with decking paint. To choose the right one for you, head over to our best decking paint and decking stain guide.

Do you need soap/solution to pressure wash patio?

You don't necessary need soap or detergent to pressure wash you patio, however detergent can help dissolve dirt, making the patio easier to clean and ensure a better finish. Depending on the type of detergent you're using, it might also help to reduce the build-up of dirt or protect your patio from external elements.

However, if you have a good-quality pressure washer, you should be able to get rid or dirt and achieve a great results even without using any product.

Take a look at our round-up of best pressure washers on test to find the ideal model for your needs.

When should I pressure wash my patio?

The ideal time to clean you patio is when you notice extensive dirt build-up. If your surfaces are slippery due to moss or other grime that slowly collects over time, it might be time to take out your pressure washer. 

Winter is generally not a great time to clean your patio with water due to low temperatures, but you should be fine to do so between the months of March and November.

Are patio-cleaning attachments are worth using?

Generally speaking, pressure washer attachments such as patio cleaners can make your life easier when cleaning your patio.

Patio cleaners are circular plastic hoods with a brush around the bottom edge. They stop you having to stoop and ensure dirty water doesn't spray everywhere. They also help you clean surfaces more efficiently.

Other attachments such as brushes, angled laces and pistols can also be useful when cleaning harder-to-reach spots or your car, so consider what type of surfaces you'll be cleaning regularly before making your purchase.

Recently tested pressure washers

We are always testing newer pressure washers from brands like Husqvarna, Karcher, Nilfisk, and Ryobi. 

Every pressure washer we test is rigorously lab tested, and we'd never recommend the ones that don't score well – you'll need become a Which? Member to find out which models are the best, though.

If you're looking for a new pressure washer, you can read some of our latest reviews. These models fared well in our testing, and are widely available.

You can compare retailers and prices, too.

Black & Decker BEPW2000-GB 

This medium-sized pressure washer weighs 8.2kg, has a 2,000W motor and can produce between 105-150 bar. 

You'll get a six-metre hose and a five-metre power cable, but those are the only accessories included – others are sold separately.

Karcher K 3 Premium Power Control Car & Home

This model is on the smaller side: it weighs 6.2kg, but it's only got a 1,600W motor which produces 80 to 120 bar. The hose is seven metres, and the power cord five.

You'll also be getting a fan and rough nozzle, car cleaning equipment, and patio cleaning attachments. The spray gun also has a pressure indicator, which is useful.

Ryobi RY170PWA

Clocking in at 24kg, this heavy pressure washer has got a 10-metre hose and a five-metre power lead. 

The 2,500W motor in this model produces up to 470 bar of pressure, and you can control it by a nozzle. You'll get an adjustable lance for cleaning different surfaces.

Husqvarna PW 125

This compact model comes equipped with a 1,500W motor, a seven-metre hose, and a five-metre cable. 

You'll get a few different attachments with it, such as a detergent bottle with foamer, plus gentle and rough nozzles. 

If you want attachments like a car brush or patio cleaner, you'll need to pick them up separately.