Planning a block paving cleaning job in Treharris
Around Treharris, plots are often larger and drives longer, so edging, falls and the route the water takes need planning.
Hilly streets in much of Wales mean many drives slope, which shapes the falls, the edging and the water route.
How much does a block paving cleaning job cost in Treharris?
Guide price in Treharris: £2.50–£4.50 per m² including VAT, which puts a 50 m² drive at about £115–£235. These are Wales guide figures; the survey confirms the real price before you commit.
| Item | Guide price inc VAT |
|---|---|
| Jet wash clean with a rotary cleaner | £2.50–£4.50 per m² |
| Clean and re-sand | £4.50–£9.50 per m² |
| Clean, re-sand and seal | £7.50–£19 per m² |
| Sealing only | £4.50–£14 per m² |
Guide figures for Wales, checked 9 November 2026. See all prices or use the guide price tool.
What is included?
Block paving cleaning removes moss, algae, weeds and ground-in dirt from the surface and the joints, usually with a rotary surface cleaner on a pressure washer, which cleans evenly without the stripes a hand lance leaves. A biocide treatment can be applied to slow regrowth.
- Optional biocide and sealer
- Weeds and moss removed from the joints
- Rinse down of edges, steps and walls
- Kiln-dried sand brushed in once dry (re-sanding package)
- Pre-treatment where needed
Before we price your block paving cleaning job
- Walls, doors and planting to protect
- How much joint sand is left
- Which sealer finish suits a slope or patio
- Moss, algae, weeds and oil staining
- Shade and drainage, which affect regrowth
How it works
Quick details
Your postcode and the job. It takes a minute.
On-site check
Measurements, levels against the damp-proof course, ground and drainage.
Itemised quote
Fixed once the specification is agreed, with no vague extras.
Laid and finished
Compacted, jointed and handed back clean.
How we work
Repair before replace
If your drive can be fixed or re-laid, we will say so.
Itemised quotes
Break-out, waste, edging, drainage and covers are separate lines you can see.
The dig and sub-base in writing
Your quote states the depth of dig, the sub-base thickness and how it is compacted.
One point of contact
You deal with one team from survey to sign-off, with work carried out by paving teams working under S&K.
Cleaning in Treharris: questions
Do you cover Nelson, Mid Glamorgan, Mountain Ash and Pontypridd?
Yes. We cover Treharris and the places around it, including Nelson, Mid Glamorgan, Mountain Ash and Pontypridd, and the rest of Mid Glamorgan.
How much does a block paving cleaning job cost in Treharris?
Guide price for Treharris: £2.50–£4.50 per m² including VAT, with a minimum charge for small areas.
How often should block paving in Treharris be cleaned?
Every two to four years for most drives, more often for shaded or north-facing paving.
Will cleaning damage my block paving?
Not when it is done with a rotary cleaner at medium pressure and the joints are re-sanded afterwards. High-pressure lances held close are what cause damage.
Cleaning near Treharris
Nearby towns we cover for cleaning, and cleaning across Mid Glamorgan:
- Cleaning in Nelson, Mid Glamorgan
- Cleaning in Mountain Ash
- Cleaning in Pontypridd
- Cleaning in Merthyr Tydfil
- Cleaning in Aberdare
- Cleaning in Tonypandy

