10 bestExterior House Cleanersof March 2026
112M consumers helped this year.
28% off
1
Wet & Forget Mould, Lichen & Algae Remover, Outdoor Patio Cleaner, Black Spot Remover, Bleach Free, 5L
Wet & Forget
9.7
2
Pro-Kleen MY16 Patio Cleaner Simply Spray and Walk Away Green Mould and Algae Killer for Patios, Fencing and Decking 5 Litre Concentrate (Makes 25 litres)
Pro-Kleen
9.4
29% off
3
Wet & Forget Rapid Application, Ready-to-Use Mould, Lichen & Algae Remover, Outdoor Patio Cleaner, Black Spot Remover, Bleach Free, 2L
Wet & Forget
9.1
15% off
4
Kärcher Canister Pressure Washer Detergent, Universal Cleaner , Unscented , 5 L , Pack of 1
Kärcher
8.8
5
GLEAN Green Clean Algae Remover | 1L Covers 10m² | Ready to Use Spray | Patio Cleaner for Moss, Mould, Lichen & Algae | Spray and Leave | Paths, Fences, Roof Tiles, Decking, Brick & Concrete Surfaces
GLEAN
8.5
OtherUp to 44% off
Everbuild 404 Fast Powerful Fungicidal Wash – Removes Lichens, Fungi and Algae – Exterior and Interior use – 5 Litre
Kärcher 62957650 3-in-1 Stone Plug and Clean , Black , Unscented , 1L
Jeyes Fluid Ready-To-Use Outdoor Cleaner and Disinfectant for Paths, Patios, Driveways and Pet Housing, Blue, 4 Litre, Packing May Vary.
KARCHER Genuine Patio + Deck Pressure Washer Cleaner Detergent Fluid (Mixes up to 5L)
6
Wet & Walk Away Concentrate - Organic Moss & Algae Remover for Garden Spaces – Brighten and Clean Your Patio, Indian Sandstone, Driveway, Decking, Astroturf and Bricks – Covers up to 300m² – 5 Litres
Gro Garden Products
8.2
25% off
7
Jeyes Fluid Outdoor Cleaner & Disinfectant for Paths, Patios, Driveways, Pet Housing & Unblocking Drains, 5 Litre
Jeyes Fluid
7.9
8
Jeyes 4 In 1 Patio & Decking Cleaner (4 Litre). Patio Cleaner Fluid for Paths, Drives, Decking & Fencing - Outdoor Disinfectant Liquid or Pressure Washer Detergent - Tackles Dirt, Algae & Stains
Jeyes
7.6
9
Kärcher Exterior surface cleaner PCL 4 (1.644-000.0) Yellow/Black
Kärcher
7.3
10
Nilfisk Mid Patio Cleaner
Nilfisk
7.0
Best Reviews Guide Newsletter
Get exclusive articles, recommendations, shopping tips, and sales alerts
Sign up for our newsletter to receive weekly recommendations about seasonal and trendy products
Thank you for subscribing!
By submitting your email address you agree to our Terms and Conditions and Privacy Policy