Durham County Council · DH7
Patio Cleaning in Lanchester
Lanchester patio cleaning specialists: treat, clean, seal. We handle sandstone, limestone, porcelain, concrete and block paving with lasting, even results.
07501060609Whether it's a small courtyard patio behind a terrace, a large sandstone patio on a newer estate, or a block-paved driveway-turned-patio, the cleaning approach in Lanchester starts with the same question - what's it actually made of, and how bad is the black spot lichen.
A patio clean should leave you with stone that looks close to the day it was laid - even colour, no black spot lichen, joints free of moss, and no green slick across the edges where it stays damp. That's the standard we work to on every job in Lanchester.
Proper treatment means killing the lichen and algae first with a biocide, letting it work, then cleaning the dead growth away. It takes longer than a straight pressure wash but it's the only approach that actually lasts.
Concrete Flags
- Older concrete flags, especially from the 1960s-80s, tend to be more porous than modern cast slabs and can show surface crazing after decades outside. We check condition before deciding on pressure, since heavily worn concrete can be more fragile than it looks.
- Concrete takes biocide treatment well, and a proper clean can bring genuinely tired-looking flags back to a much more even, presentable finish.
Doing It Safely - for the Patio and the Garden
Biocide treatments and cleaning chemicals need careful handling around plants, ponds and lawns, and we're trained in spill management so run-off is controlled rather than left to find its own way into a border or drain. We protect nearby planting before we start.
On the stone itself, safety means not overdoing the pressure - too much force on old pointing or soft sandstone can loosen joints or pit the surface, creating problems that weren't there before. We check the condition of the patio first and clean to what it can actually handle.
Cost Per Square Metre
For larger or irregular areas it's often easier to think per square metre rather than a flat fee. Porous stone needing biocide treatment generally sits toward the higher end, while denser materials in good condition sit lower.
| Porcelain or concrete, light growth | from around £4-£5 per m² |
|---|---|
| Sandstone or limestone, moderate growth | around £5-£7 per m² |
| Heavy black spot lichen, any material | around £7-£9 per m² |
Proof of the Work, Not Just Our Word
- Before-and-after evidence
- We can provide photo evidence of the condition before and after treatment, useful for landlords, letting agents or your own records.
- Fully insured
- Full insurance cover on every job, residential or commercial.
- Biocide trained (2024)
- Current training in the treatments we use for lichen, moss and algae.
- Clear, upfront pricing
- You get a fixed quote before we start, not an estimate that grows on the day.
Covering Lanchester and the Surrounding Area
We work across a roughly 45-mile radius of our Washington base, which takes in Lanchester and the towns and villages around it as part of our regular schedule rather than a special trip.
That regular coverage means we can often fit patio work in Lanchester around other jobs nearby, which keeps things efficient and flexible on timing.
Tree-Lined and Shaded Gardens
Gardens in Lanchester with mature trees or dense boundary hedging keep patios shaded for much of the day, which slows drying after rain and creates the damp, low-light conditions black spot lichen and moss thrive in. Falling leaves and sap can also stain the surface between cleans.
These patios often need the joints cleared as much as the flags themselves, since moss and algae take hold in the gaps first and spread outward from there.
Homeowners
Part of a Wider Garden Makeover
If a patio clean is one piece of a bigger garden project - new planting, a re-laid lawn, or a fresh fence - we're happy to fit around the rest of the work and time the clean so it's not undone by other trades traipsing across it afterwards.
We can also advise on sealing at this stage if the patio's being cleaned as part of a wider tidy-up, since it's the easiest point to protect a freshly cleaned surface before everything else gets finished.
Patio Cleaning in Lanchester — common questions
From Victorian terraces to modern estates, we've cleaned patios across Lanchester and the surrounding 45-mile area we cover from our Washington base, in sandstone, limestone, porcelain, concrete and block paving.
We're upfront about pricing from the start, so there's no surprise cost for doing it right.
Book Before the Weather Turns
Damp weather is exactly when black spot lichen spreads fastest - get it treated and cleaned now before it takes hold across the whole patio.
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