Area is the obvious factor. Surface type and how long it has been left are what actually decide how slow the job is.
Power washing is quoted on area, surface type, condition, access and water supply. A smooth slab that is cleaned every couple of years is quick. A textured or porous surface with years of algae and moss is a different job at the same square metreage.
We do not publish a fixed price list for power washing, because area, surface type and how long it has been left all change the job considerably. What we can do is explain what moves the number.
| Surface | How it cleans |
|---|---|
| Smooth concrete slabs | Fast and predictable |
| Block paving | Slower — every joint, and sand needs replacing after |
| Natural stone | Careful work; pressure and technique matter |
| Porous sandstone | Holds dirt deeply; slower, and can be damaged |
| Tarmac | Low pressure only — easily scarred |
| Decking | Gentle work; timber damages readily |
| Brick and render | Careful, and not always advisable |
Tell us what you need and we will arrange a free quotation.
Block paving loses its jointing sand during washing, and it needs replacing — without it the blocks lose their interlock and start to move. Kiln-dried sand, brushed in and settled, is the standard finish. Sealing is separate and optional: it slows re-soiling and helps colour, but it needs a properly dry surface and reapplying every few years, so it is a decision rather than a default.
Tell us about the work and we will arrange a free quotation.
It is quoted on area, surface type, condition, access and water supply. Surface type and how long it has been left matter as much as square metreage.
Because pressure and technique have to suit it. Block paving means cleaning every joint, tarmac and decking need low pressure, and porous stone holds dirt deeply.
Usually yes, from an outside tap. It is worth checking it runs at a decent rate before the visit.
Green algae and moss lift well. Oil, rust and paint may need treatment and sometimes do not fully clear — we will tell you honestly beforehand.
Yes. Washing removes the jointing sand and without it the blocks lose their interlock, so kiln-dried sand is brushed back in.
It is optional. Sealing slows re-soiling and helps colour but needs a dry surface and reapplying every few years.
Yes. Washing produces slurry that has to be cleared properly — it is a real part of the job.
No. Quotations are free.
Need tree surgery, hedge maintenance, fencing, garden clearance, turfing or power washing? Complete the form and tell us what work you require.
