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Patio cleaning in Harpenden, Wheathampstead and St Albans
Green, black-spotted or just tired patios brought back to the colour they were when they were laid.

BeforeAfterIndian sandstone patio clean, Kimpton. Drag to compare.
What's included
- A full deep clean of the patio, steps and edges
- Moss and weeds cleared from the joints
- A rinse down of surrounding walls, paths and furniture legs I've splashed
- A check of the pointing, with an honest note if any of it needs replacing
Surfaces I clean
Indian sandstone, natural stone, slate, porcelain, concrete slabs and older paving. Each surface needs a different approach: porcelain can take more, while sandstone and older pointing need a lighter touch so nothing gets damaged.
After the clean
If you want it to stay looking like this, I can seal the patio once it's dry and come back once a year to keep it clean. That's the cheapest way to look after a patio over time.
More recent jobs
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AfterQuestions about patio cleaning
How often should a patio be cleaned?
Most patios benefit from a clean once a year, ideally in spring. Shady, damp patios under trees may need it more often.
Can you get black spots off?
Black spot is a lichen that roots into the stone, so it takes more than a pressure wash. It can be treated and faded, and sealing afterwards helps stop it coming back.
Does cleaning wash the pointing out?
Sound pointing stays put. Pointing that is already cracked or loose can come out during a clean, and I'll point that out and quote for repointing before I start.
Other services
Block paving and driveway cleaning
Moss, weeds and grime lifted out, then the joints re-sanded.
Patio and driveway sealing
Protects the surface so black spot, lichen and weeds struggle to come back.
Patio repointing
Crumbling, gappy or weedy joints raked out and repointed.
Decking cleaning
Green, slippery decking cleaned back so it is safe to walk on again.
Builders cleans for new builds
Brickwork and hard landscaping cleaned before handover, for builders and developers.
Get a price for your patio or driveway
Send me a few photos on WhatsApp: the whole area and a close-up of the worst bit. I'll come back with a fixed price.