Permeable tarmac driveways in Barnet

What does a permeable tarmac driveway cost in Barnet?

Local guide rates for Barnet (London, about 20% above our UK midpoint):

Item	Guide price (inc VAT)
Porous asphalt drive on a permeable stone base	£96–£150 per m²
Example: 30 m² drive	£3,150–£4,950
Example: 50 m² drive	£4,800–£7,500
Example: 80 m² drive	£7,700–£12,000

As a 2026 guide in Barnet, permeable tarmac driveway work runs at about £96–£150 per m² including VAT, so a 80 m² drive is roughly £7,700–£12,000. Guide only; the survey confirms a fixed price.

Do I need permission in Barnet?

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. Any new or widened crossing over the pavement needs approval from the highway authority (the county or unitary council).

Barnet: the local details

Barnet at a glance. Barnet is one of the bigger places we cover in Greater London, so survey slots come round regularly.

Postcodes: EN5, EN4, N20
Area: Greater London
Nearest towns: Potters Bar (3 miles), Borehamwood (3 miles), Finchley (3 miles), Muswell Hill (5 miles)
Pricing: London, about 20% above our UK midpoint
Kerb approvals: The highway authority

We also cover nearby Potters Bar, Borehamwood, Finchley, Muswell Hill, Enfield.

The build-up we price

What we do on a permeable tarmac driveway

A permeable tarmac drive uses porous asphalt, a mix with fewer fine particles so water passes through the gaps, laid on an open-graded stone base that stores the rain and lets it soak into the ground.

Ground check: how fast does the soil drain?
Dig out deeper than a standard drive to fit the storage layer
Geotextile separating layer on the formation
Open-graded permeable sub-base, often Type 3 or 4/20 stone
Edge restraint that does not block the flow

Questions about permeable tarmac driveways in Barnet

How much does a permeable tarmac driveway cost in Barnet?

As a 2026 guide in Barnet, permeable tarmac driveway work runs at about £96–£150 per m² including VAT, so a 80 m² drive is roughly £7,700–£12,000. Edging, drainage and a dropped kerb are priced separately where needed.

What approvals apply in Barnet?

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. Dropped kerbs are approved by the highway authority (the county or unitary council).

Do you work in my part of Barnet?

We cover Barnet including EN5, EN4, N20, and nearby Potters Bar, Borehamwood, Finchley.

Can I get a free survey in Barnet?

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.

More we do in Barnet

Questions about permeable tarmac driveways in Barnet? Call, WhatsApp or use the form, and we'll talk it through.