How much does a block paving sealing job cost in County Londonderry?
Guide price in County Londonderry: £5–£14 per m² including VAT, which puts a 50 m² drive at about £240–£710. These are Northern Ireland guide figures; the survey confirms the real price before you commit.
| Item | Guide price inc VAT |
|---|---|
| Sealing only | £5–£14 per m² |
| Jet wash clean with a rotary cleaner | £2.50–£5 per m² |
| Clean and re-sand | £5–£9.50 per m² |
| Clean, re-sand and seal | £7.50–£19 per m² |
Guide figures for Northern Ireland, checked 9 November 2026.
Towns we cover in County Londonderry
Choose a town for local prices and details for sealing:
What does a block paving sealing job involve?
Sealing block paving means applying a clear liquid sealer to clean, dry paving. A good sealer soaks into the blocks and the jointing sand, binding the sand so it does not wash out, reducing staining and making the surface easier to keep clean. Some sealers also deepen the colour or leave a light sheen.
Wet winters in Northern Ireland make falls, edge restraints and full joints especially important.
- Sealer applied evenly by roller or low-pressure sprayer
- Check that the paving is clean, re-sanded and dry
- Drying time and a date when cars can return
- Second coat where the product requires it
- Edges, walls and doors protected
How we find the cause
- Type of block and its age
- Which sealer finish suits a slope or patio
- Whether the paving is permeable (no sand, no sealing with the wrong product)
- How much joint sand is left
- Moss, algae, weeds and oil staining
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.
Sealing in County Londonderry: questions
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.
How often should block paving in County Londonderry 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.
Do you cover Londonderry, Coleraine and Limavady?
Yes. We cover all of County Londonderry, including Londonderry, Coleraine and Limavady.
