Block paving sealing in Cardiff: the local picture
Cardiff has everything from short terrace frontages to wide drives on newer estates, so the survey sets the layout and the dig.
Wales is wetter than most of England, and new front paving has to be permeable or drain within the property, so drainage is designed in from the start.
How much does a block paving sealing job cost in Cardiff?
For Cardiff, our guide is £4.50–£14 per m² including VAT, so a 50 m² drive is likely to be £235–£700. Smaller jobs cost more per square metre because set-up and waste costs do not shrink with the area.
| Item | Guide price inc VAT |
|---|---|
| Sealing only | £4.50–£14 per m² |
| 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 |
Guide figures for Wales, checked 9 November 2026. See all prices or use the guide price tool.
What is included?
Sealing only works on paving that has been cleaned and re-sanded first and is completely dry, so it is usually part of a clean, re-sand and seal package. It is not permanent: most sealers need renewing every three to seven years as they wear in the wheel tracks, and new paving should be left for a few months before sealing so moisture and any white efflorescence can clear.
- Second coat where the product requires it
- Sealer applied evenly by roller or low-pressure sprayer
- Edges, walls and doors protected
- Drying time and a date when cars can return
- Check that the paving is clean, re-sanded and dry
What we look at first in Cardiff
- Whether any blocks are loose or sunken first
- Moss, algae, weeds and oil staining
- How much joint sand is left
- Walls, doors and planting to protect
- Type of block and its age
What happens next
Tell us about the job
Use the form, the quote tool, WhatsApp or a call.
We take a look
A survey visit, or photos for smaller repair and cleaning jobs.
Price in writing
Every line itemised, including the dig, edging and drainage.
Booked and built
Agreed start date, then the work, the final clean-down and the joint top-up.
Why choose Block Paving Contractors
Itemised quotes
Break-out, waste, edging, drainage and covers are separate lines you can see.
Clean finish
The site is swept, the joints are filled and you are shown how to look after the paving.
Water planned first
Falls, channels and soakaways are designed before the pattern is chosen.
Honest timescales
We tell you how long the job takes and what can delay it, such as approvals and weather.
Sealing in Cardiff: questions
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.
How often should block paving in Cardiff be cleaned?
Every two to four years for most drives, more often for shaded or north-facing paving.
Do you cover Penarth, Dinas Powys and Rhiwbina?
Yes. We cover Cardiff and the places around it, including Penarth, Dinas Powys and Rhiwbina, and the rest of South Glamorgan.
Can you seal my drive straight after cleaning?
Only once it is completely dry and re-sanded. Sealing damp paving traps moisture and can leave a white bloom.
Sealing near Cardiff
Nearby towns we cover for sealing, and sealing across South Glamorgan:
- Sealing in Penarth
- Sealing in Dinas Powys
- Sealing in Rhiwbina
- Sealing in Barry
- Sealing in Llantwit Major
