Permeable tarmac driveways in Letchworth Garden City

How much should I budget in Letchworth Garden City?

These Letchworth Garden City guide prices reflect rates in the East of England, about 5% above our UK midpoint.

Item	Guide price (inc VAT)
Porous asphalt drive on a permeable stone base	£84–£131 per m²
Example: 30 m² drive	£2,750–£4,350
Example: 50 m² drive	£4,200–£6,550
Example: 80 m² drive	£6,700–£10,500

As a 2026 guide in Letchworth Garden City, permeable tarmac driveway work runs at about £84–£131 per m² including VAT, so a 80 m² drive is roughly £6,700–£10,500. Guide only; the survey confirms a fixed price.

Letchworth Garden City: the local details

Survey cover and pricing for Letchworth Garden City. We reach Letchworth Garden City on our Hertfordshire survey days; Watford is 24 miles away.

Postcodes: SG6, SG7, SG15, SG16
Area: Hertfordshire
Nearest towns: Hitchin (3 miles), Stevenage (5 miles), Biggleswade (8 miles), Royston (10 miles)
Pricing: East of England, about 5% above our UK midpoint
Kerb approvals: The highway authority

We also cover nearby Hitchin, Stevenage, Biggleswade, Royston, Luton.

Rules that apply in Letchworth Garden City

In England, householder permitted development (Class F of the 2015 General Permitted Development Order) lets you lay a hard surface in front of a house without planning permission if it is porous, or if the rainwater is directed to a permeable area within the property. If the area is more than 5 m² and neither applies, you need permission. Standard dense tarmac is not porous, so a dense tarmac drive needs a lawn, border, channel to a soakaway or other permeable route for its water. A vehicle crossing over the footway is a separate approval, from the highway authority (the county or unitary council).

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?
Dig out deeper than a standard drive to fit the storage layer
Open-graded permeable sub-base, often Type 3 or 4/20 stone
Porous asphalt binder and surface courses
Overflow to a soakaway or border on slow-draining ground

Questions about permeable tarmac driveways in Letchworth Garden City

How quickly can work start in Letchworth Garden City?

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

Which Letchworth Garden City postcodes do you cover?

We cover Letchworth Garden City including SG6, SG7, SG15, SG16, and nearby Hitchin, Stevenage, Biggleswade.

What approvals apply in Letchworth Garden City?

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).

Will someone visit before I get a fixed price in Letchworth Garden City?

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.

Other work in Letchworth Garden City

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