Free Patio Cost Calculator Uk

This depends on your patio area and the slab size, larger slabs need fewer per square metre but cost more each. Divide your total area (plus a wastage allowance for cuts) by the coverage of one slab. The calculator above works this out automatically once you've entered your dimensions and chosen a slab size.

Both are popular choices for different reasons. Indian sandstone is a natural stone with warm, varied tones and a lower price point, but it needs sealing and can wear over time. Porcelain is more consistent in colour, low maintenance and slip resistant, but usually costs more and needs careful, accurate laying.

Cost per m² depends heavily on the paving material, sub-base condition, access and how much groundwork is needed. The calculator above gives a rough materials guide based on your chosen paving type; for an accurate fitted price, get a written quote based on your actual garden.

It's possible for a competent DIYer on a small, simple area, but most patio problems (uneven levels, pooling water, cracked joints) come from poor sub-base preparation rather than the slabs themselves. Getting the excavation, base and falls right is the hard part, which is why most patios are laid professionally.

Yes, a patio should be laid with a slight fall (typically away from the house) so surface water runs off rather than pooling or tracking back towards the property. The right fall and drainage detail depends on the patio size, its position and where the water can safely go.