Karcher K4 Compact Pressure Washer Review


Regular readers will remember that we were reviewing the Karcher K4 Compact Pressure Washer and our project was cleaning our manky drive!

Karcher.co.uk stock photo

Karcher.co.uk stock photo

Well, last week, my fab cousin and Grandad came over to test the K4 Compact Pressure Washer and they loved it! So much so, that it found it’s way back to Grandad’s for some more ‘testing!

karcher k4 pressure washer

Our drive before being pressure washed.

Our drive before it was pressure washed  was black, slimy moss was growing and it was slippy too. It looked horrible and it was starting to be dangerous.

karcher k4 compact

Our drive after being pressure washed.

We were excited to see what the pressure washer would make of it!

It is super powerful, and made light work of our drive.

The end result is fantastic- it only took a couple of hours, and we were so pleased with how it looks.

There are so many features to this pressure washer that make it a brilliant choice:

“The Kärcher K4 Compact Home pressure washer comes with all the cleaning power and energy efficiency delivered by our larger models, but conveniently designed for smaller storage areas and easier manoeuvring thanks to its aluminium telescopic handle and wheels. Delivering up to 130 bar pressure and designed with a 1800W water-cooled motor, the K4 Compact Home pressure water has an impressive capacity during tough cleaning tasks. For added cleaning power, the aluminium telescopic handle plus Vario and Dirtblaster lances provide up to 50% greater cleaning power than a standard high pressure lance. Set up quickly with the help of the Quick Connect system, which prevents kinking, while the filter suction capacity allows the device to harvest water from tanks and other open sources. The set comes with the versatile T350 patio cleaner and detergent, perfect for cleaning a variety of smooth and uneven surfaces such as decking, lattices and brick walls. The Kärcher K4 Compact Home pressure washer comes with a 3-year guarantee.”

The K4 Compact Pressure washer comes with

  • Dirt Blaster lance
  • 6m high-pressure hose
  • Vario Power Jet lance
  • Integrated water filter
  • High-pressure gun with Quick Connect
  • Home kit with 3-in-1  Cleaner and Patio cleaner detergent

karcher pressure washer

karcher pressure washer


The K4 was so easy to use. The high pressure hose and gun click easily and quickly into place, we just needed a hose pipe to connect to a tap for the water. You can also use water from a tank or similar due to the machines ‘filter suction capacity.’

karcher pressure washer

Matt found the pressure washer easy to move around and use, and very powerful.

Full information about the K4 Compact Pressure Washer are on the website along with full details of how to buy. It currently retails at £232 plus delivery.

What do you think about the results? Do you use a pressure washer?





  1. I always wanted a pressure washer to get rid of all the weeds in the garden between the path gaps but they are very expensive though. #triedandtested
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  2. This sounds and looks fantastic! The end result looks amazing!
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  3. We have a Karcher and love it! Works so well and very satisfying to use #triedtested
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  4. That’s a pretty huge improvement! Does it have features for use indoors too?
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  5. Could do with something like this to tackle our drive. I like the idea of a 3 year guarantee.
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  6. They are a brilliant piece of engineering aren’t they? Our Karcher is on its last legs but it has had some hammering over the years – a highly recommended purchase!
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  7. Love how your driveway looks now, and how the pressure washer has made its way back to your grandads! We have one, but it needs replacing, I’ll look at getting one of these. Thank you x
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  8. I’ve never used one of these before but they doo look great, I’ve heard they are fantastic when used on garden furniture.

  9. I loved the sound of it until I saw how much it was. It’s rather pricey! #myfavouritepost

  10. Can’t believe the difference it has made. It looks great!
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  11. Wow it has made a huge difference hasn’t it? That is quite impressive x
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  12. That Pressure washer sounds amazing! I definitely need that in my life, since I don’t have one and I also suffer from horrible back pain, thanks for the great review! 😀
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  13. we have one of these and they are fantastic. So many uses for them and always handy to have one in the garage. x
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  14. Everything looks to be in great condition, I am very impressed with your productivity! Good job!
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  15. I could so use a Karcher pressure washer right about now. Our drive is in need of some tlc!
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  16. What a fantastic sounding washer and you can really tell the difference WOW! x
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  17. There’s nothing more satisfying than blasting a concrete path or wall with a power washer is there?! It certainly looks like your driveway came up a absolute treat.
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  18. we love our Karcher, it has so many uses and hubbie loves playing with it lol x
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  19. We definitely need a pressure washer in our house. This one looks great x
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  20. We borrow a pressure washer off my father in law once in a while to clean the garden path, when we have a bigger garden we’ll get one of our own.
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  21. I need one of these in my life, living by the sea our windows & car always get covered in salt. Plus it’s a great way to keep the garden path clean for Mini M #triedtested
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  22. We pinched our in-laws pressure washer to do our old patio it worked wonders… took all day though!
    Glad its not “manky” any more! 🙂
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  23. Our drive is in desperate need of a good power wash – its all mossy and grubby! This would be great for us!
    Thanks for sharing your review on #TriedTested this week x
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  24. What a difference! Sounds like a fab piece of equipment
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  25. i have a karcher, but much smaller than this one. I font want my husband to see the post or he will be wanting me to upgrade him!
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  26. Pressure washers are fantastic they really do what it says on the box and you do not get that with a lot of products!

  27. We have this pressure washer, it’s perfect for the drive and the decking! Thanks for linking up with #TriedTested
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  28. Wow, what a difference it has made. I would definitely give this a go now I’ve seen it in action. I hope you get it back 🙂
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  29. I moved to a house last year after living in a flat for so long and didn’t have to think of things like this until I got the house! I’ve been searching for a decent review for a while now and after reading this and seeing your photo’s, I’m going to have to ask Santa for one I think! My garden is a dire state, it’s truly in an awful condition! xx
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  30. Oh wow, what a big difference that made!
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  31. This looks like a great pressure washer. When our drive gets slimy like this, we usually pressure wash it but ours broke a few months ago. This is definitely worth considering. Thanks.
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  32. We have one of the little ones and love it! It’s a bit addictive when you see the results. Keep thinking, what can I do next?!
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  33. I love a good pressure washer, the concrete parts of our garden get disgusting so quickly they need to be done every now & again. I must nudge Spencer into giving it another go actually!
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  34. The results are fantastic! I do love see the before and after pics with reviews so these are great x

  35. Wow, look at the difference! I think I most definitely could do with a pressure washer!!

    Louise x

    With love from Lou

  36. what a difference, sounds like a really good product.

  37. We are massive fans of Karcher. Their products really are fantastic quality and do the job they say they do.
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  38. We have one of these they are amazing definitely recommend them.

  39. God, we could really do with one of these for our drive – although I’d have to weed it first! Do you loan out your cousin? 😉
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  40. Fantastic job. A transformation, its amazing how much dirt builds up and you forget what it use to look like. Even better when you move house, and pressure washer the drive, can bring it up like new!
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  41. I really brightened up the result, it is also the washer finding, thanks for sharing.
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  42. Fantastic job done so easily with the compact pressure washer xx

  43. I actually bought the K2 model because it was quite cheaper. The K4 looks a more powerful unit though looking at the specs and your cleaning results 🙂

  44. I just got one myself! thanks for your blog, it has really helped me a lot on choosing the right one for me… thanks Ickle Picle!

  45. Fantastic post, I picked up a Karcher K4 myself because of this and well the results in my garden are astonishing. Thanks for the review Ickle Picle!

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