Permeable tarmac driveways in Portishead

What does a permeable tarmac driveway cost in Portishead?

These Portishead guide prices reflect rates in the South West, about 3% above our UK midpoint.

Item	Guide price (inc VAT)
Porous asphalt drive on a permeable stone base	£82–£129 per m²
Example: 30 m² drive	£2,700–£4,250
Example: 50 m² drive	£4,100–£6,450
Example: 80 m² drive	£6,600–£10,300

As a 2026 guide in Portishead, permeable tarmac driveway work runs at about £82–£129 per m² including VAT, so a 50 m² drive is roughly £4,100–£6,450. Guide only; the survey confirms a fixed price.

Layer by layer

What is included in a permeable tarmac driveway?

Open-graded porous asphalt on a deep permeable stone base, so rain soaks through on site.

Ground check: how fast does the soil drain?
Geotextile separating layer on the formation
Open-graded permeable sub-base, often Type 3 or 4/20 stone
Porous asphalt binder and surface courses
Edge restraint that does not block the flow

Do I need permission in Portishead?

In England, a new hard surface over 5 m² in front of a house needs planning permission unless it is porous or drains to a lawn, border or soakaway within the property. If the job needs a dropped kerb, the highway authority (the county or unitary council) approves it before any work on the footway.

Covering Portishead

Survey cover and pricing for Portishead. Smaller towns such as Portishead are surveyed alongside nearby jobs in Somerset.

Postcodes: BS20, BS11
Area: Somerset
Nearest towns: Nailsea (3 miles), Clevedon (5 miles), Bristol (8 miles), Keynsham (13 miles)
Pricing: South West, about 3% above our UK midpoint
Kerb approvals: The highway authority

We also cover nearby Nailsea, Clevedon, Bristol, Keynsham, Weston-super-Mare.

Questions about permeable tarmac driveways in Portishead

Which Portishead postcodes do you cover?

We cover Portishead including BS20, BS11, and nearby Nailsea, Clevedon, Bristol.

Will someone visit before I get a fixed price in Portishead?

Yes for new surfacing such as drives, paths, private roads and car parks. Small repairs are often priced from photos; if a visit is needed for a repair-only job, we tell you any charge first.

What is the price of a permeable tarmac driveway in Portishead?

As a 2026 guide in Portishead, permeable tarmac driveway work runs at about £82–£129 per m² including VAT, so a 50 m² drive is roughly £4,100–£6,450. Edging, drainage and a dropped kerb are priced separately where needed.

How quickly can work start in Portishead?

Usually 3–5 working days. We book Portishead surveys alongside other jobs in Somerset, and give you dates once the specification is agreed.

Other work in Portishead

Send us a postcode, a rough size and a photo or two, and we'll come back with survey dates for Portishead.