Front garden to tarmac driveway in Welwyn Garden City

What does a front garden driveway conversion cost in Welwyn Garden City?

Guide prices below are for Welwyn Garden City, adjusted for the East of England, where surfacing rates run about 5% above our UK midpoint.

Item	Guide price (inc VAT)
New black tarmac drive, full dig-out and new sub-base	£63–£100 per m²
Example: 20 m² drive	£1,400–£2,200
Example: 30 m² drive	£2,100–£3,300
Example: 45 m² drive	£2,850–£4,500

As a 2026 guide in Welwyn Garden City, front garden driveway conversion work runs at about £63–£100 per m² including VAT, so a 45 m² drive is roughly £2,850–£4,500. Guide only; the survey confirms a fixed price.

Do I need permission in Welwyn 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. If the job needs a dropped kerb, the highway authority (the county or unitary council) approves it before any work on the footway.

Layer by layer

Covering Welwyn Garden City

Welwyn Garden City at a glance. Welwyn Garden City sits 13 miles from Watford, within our regular Hertfordshire cover.

Postcodes: AL8, AL7, AL6
Area: Hertfordshire
Nearest towns: Hatfield (3 miles), Hertford (6 miles), St Albans (6 miles), Harpenden (7 miles)
Pricing: East of England, about 5% above our UK midpoint
Kerb approvals: The highway authority

Close to Welwyn Garden City: Hatfield, Hertford, St Albans, Harpenden, Stevenage.

What we do on a front garden driveway conversion

A front garden conversion turns lawn or planting into a parking space: the ground is excavated, a stone sub-base laid, tarmac surfaced on top, and a lowered kerb arranged so a car can cross the pavement legally.

Check the space: length, width and gate posts for a car
Highway authority dropped kerb application guided or handled for you
Lawn, hedge roots and topsoil removed
Water directed to a border, soakaway or channel
A planted strip kept where it helps drainage and looks

Welwyn Garden City: common questions

What approvals apply in Welwyn 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).

How long will the work take at my Welwyn Garden City property?

Usually 2–4 working days, after the kerb approval. We book Welwyn Garden City surveys alongside other jobs in Hertfordshire, and give you dates once the specification is agreed.

Will someone visit before I get a fixed price in Welwyn 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.

Front garden driveway conversion cost in Welwyn Garden City: what should I budget?

As a 2026 guide in Welwyn Garden City, front garden driveway conversion work runs at about £63–£100 per m² including VAT, so a 45 m² drive is roughly £2,850–£4,500. Edging, drainage and a dropped kerb are priced separately where needed.

More we do in Welwyn Garden City

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