Exterior cleaning advice for Kent homes
Straight answers from the jobs we do every week across Kent and surrounding counties — what needs cleaning, how often, which method suits which surface, and what makes a result last.
MaintenanceHow it worksCostsSeasonal
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Visual problem guide
Not sure what the stain or growth is?
Compare moss, algae, lichen, weeds, rust, oil and other common exterior problems, with honest advice on likely treatment and results.
Maintenance · 6 min read
How often should you clean your gutters?
Most Kent homes need gutters cleared once a year. Heavy tree cover, a shallow roof pitch or a history of overflow pushes that to twice.
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How it works · 7 min read
Softwashing vs pressure washing: which does your surface need?
Use pressure on paving and concrete. Use a low-pressure biocide softwash on roofs, render, cladding and paintwork. Getting it the wrong way round is what causes damage.
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Maintenance · 6 min read
Seven signs your roof needs cleaning
Moss holding water against tiles, debris in the valleys and a gutter that keeps blocking are the three that matter most.
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Maintenance · 6 min read
How to stop moss coming back on your driveway
Washing removes moss; only killing the spores and re-sanding the joints keeps it away. Most re-growth comes from a job that skipped step two.
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Costs · 6 min read
What affects the cost of exterior cleaning?
Size is only one input. Access, contamination level, surface type and the finishing work usually account for the difference between two quotes on the same house.
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Seasonal · 5 min read
The best time of year to clean your property exterior
Spring and early autumn are the sweet spots. Gutters go late autumn, roof softwashing works nearly year-round, and winter is the quietest time to book.
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How it works · 5 min read
Conservatory roof cleaning: what's involved and how often
Shallow pitch, plastic surfaces and a gutter that nobody checks — conservatory roofs collect more growth than any other part of a house and are best cleaned annually.
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Maintenance · 5 min read
Is solar panel cleaning worth it?
Rain does not clean panels properly. Soiling reduces output, and shading from bird mess or moss along the bottom edge costs more than the dirt itself.
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How it works · 5 min read
How to choose an exterior cleaning company
Ask about insurance, method per surface, waste water and whether the price is fixed. Those four answers separate a specialist from a man with a hired machine.
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How it works · 5 min read
Commercial exterior cleaning: what to plan for
Commercial work is planned around your trading hours, your access constraints and your liability — the cleaning itself is the easy part.
Read more →Seasonal · 6 min read
Signs your gutters need clearing before winter
Overflow staining, silent downpipes, sagging brackets and greenery in the gutter all say the same thing: the run is full and winter rain will find the wall instead of the drain.
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Maintenance · 6 min read
How often should a driveway or patio be pressure washed?
Most UK driveways and patios want cleaning every one to two years. Shade, surface type and drainage decide whether you sit at the fast or slow end of that range.
Read more →Maintenance · 7 min read
Moss and algae removal: a Kent homeowner's guide
Moss and algae are a moisture problem, not a dirt problem. Treat the growth with a biocide, match the method to the surface, and deal with whatever is keeping the surface wet.
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How it works · 5 min read
What to expect from a professional gutter clean
A proper gutter clean is a ground-level vacuum clear of every run, a flow test on every downpipe, before and after photographs, and the debris taken away — usually in half a day.
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Costs · 7 min read
How much does driveway cleaning cost in Kent?
Most Kent driveway cleans land between roughly £150 and £450. Surface type, size, access and whether re-sanding or treatment is needed move the number more than anything else.
Read more →How it works · 6 min read
Roof cleaning vs roof replacement: which do you actually need?
A roof that looks finished is often just dirty. Cleaning costs a fraction of replacement and is the right call unless the tiles themselves are failing.
Read more →How it works · 4 min read
How to prepare your property for an exterior cleaning visit
Ten minutes of preparation — clear access, an outside tap, moved cars and closed windows — is usually the difference between a job finishing on time and running over.
Read more →Costs · 6 min read
How much does gutter cleaning cost in Kent? (2026 price guide)
Gutter cleaning in Kent starts from £69 for one side and £140 for a full detached property. Prices follow property type and gutter run length, not how dirty the gutters are.
Read more →Costs · 6 min read
How much does patio cleaning cost in Kent? (2026 price guide)
Patio cleaning in Kent starts from £150, with most domestic patios landing between roughly £150 and £400 depending on size, surface and how much moss and black spot has built up.
Read more →Costs · 6 min read
How much does roof cleaning cost in Kent? (2026 price guide)
Roof cleaning in Kent starts from around £400 for a single elevation, with most full roofs landing from around £700 once access, pitch and the amount of moss are taken into account.
Read more →Maintenance · 6 min read
Exterior cleaning challenges in Maidstone and the Medway towns
Maidstone and Medway throw up different problems: shaded, tree-covered roofs and soft ragstone around Maidstone and Bearsted; steep hillside streets, tight plots and damp estuary air in Chatham, Rochester, Gillingham and Strood. The right method depends on which of those you are dealing with.
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Ready when you are
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Every guide links through to the relevant service page, with local pages for each town we cover.
Free quotes across Kent & surrounding counties
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Send a few photographs of the areas you need cleaning and we will return a fixed written price. No pressure, and no changes on the day.
Prefer to talk? Call 07865 728204 or 01622 910555, or email contact@underpressure-kent.co.uk.