Planning a block paved patio in Harrow
Harrow has everything from small terrace yards to big gardens on newer estates, so the survey sets the layout, the levels and the dig.
A patio or path needs the same care underneath as a drive: a compacted base, edges set in concrete and falls that take water away from the house.
How much does a block paved patio cost in Harrow?
Expect block paved patios in Harrow to come in at around £95–£170 per m², including VAT at 20%. As an example, a 20 m² patio usually comes to between £2,200 and £3,850.
| Item | Guide price inc VAT |
|---|---|
| Block paved patio (concrete block) | £95–£170 per m² |
| Breaking out an old surface | £12–£50 per m² |
| Edging or kerb, bedded and haunched | £25–£60 per metre |
| Step with block or brick riser and paved tread | £215–£420 per step |
| Typical channel drain run | £420–£1,200 |
Guide figures for London, checked 9 November 2026. See all prices or use the guide price tool.
What does a block paved patio involve?
A block paved patio is a garden seating or dining area paved with concrete or clay blocks on a compacted base. Because a patio carries people and furniture rather than cars, the sub-base is thinner than for a drive, but the falls, edging and drainage matter just as much.
- Blocks in your pattern, edges and cuts
- Jointing sand and compaction
- Falls away from the house and doors
- Dig-out and compacted sub-base (around 100 mm for foot traffic)
- Optional sealer
Before we price your block paved patio
- Where rain will go: falls away from the house, onto lawn or borders, or into a channel
- Levels against the damp-proof course and door thresholds
- Steps, walls and changes of level
- Block range, colour, pattern and border to suit the house
- Manhole and inspection covers in the area
Do you need permission for a block paved patio in Harrow?
A patio or path behind the house does not usually need planning permission. Raised patios, listed buildings and flats can be different, so we check on the survey.
Paving in front of the house follows the front-garden rules: in England, a front drive over 5 m² needs planning permission unless it is permeable or drains to a lawn or border within your boundary.
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
Itemised quotes
Break-out, waste, edging, drainage and covers are separate lines you can see.
Water planned first
Falls, channels and soakaways are designed before the pattern is chosen.
Clean finish
The site is swept, the joints are filled and you are shown how to look after the paving.
Edges set in concrete
Every edge restraint is bedded and haunched, so the paving cannot creep.
Patios in Harrow: questions
Can the paving be level with the back door?
Paving normally sits at least 150 mm below the damp-proof course. A level step-out needs a drainage channel against the house and careful detailing, which we agree on the survey.
How long does a block paved patio take?
Most patios and paths take two to five working days, depending on the size, any steps and the dig. Your quote gives the expected duration.
What happens to my old patio or lawn?
Old slabs, concrete or turf are dug out and taken away, listed as its own line on your quote.
Do I need planning permission for a block paved patio in Harrow?
Not usually for a patio or path behind the house. Raised patios, listed buildings and flats can be different, and paving in front of the house follows the front-garden rules. In England, a front drive over 5 m² needs planning permission unless it is permeable or drains to a lawn or border within your boundary.
Patios near Harrow
Nearby towns we cover for patios, and patios across Greater London:
- Patios in Brent
- Patios in Greenford
- Patios in Ruislip
- Patios in Southall
- Patios in Cricklewood
- Patios in Willesden
