Permeable tarmac driveways in Dorchester
A good permeable tarmac driveway in Dorchester looks the same as a poor one on the day it is laid. The difference shows a few winters later, which is why our quotes list what goes underneath.

Permeable tarmac driveway prices in Dorchester
Local guide rates for Dorchester (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 Dorchester, permeable tarmac driveway work runs at about £82–£129 per m² including VAT, so a 30 m² drive is roughly £2,700–£4,250. Guide only; the survey confirms a fixed price.
Do I need permission in Dorchester?
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.
The build-up we price
Where we work in and around Dorchester
Dorchester at a glance. We cover Dorchester by grouping surveys with nearby Dorset jobs; Bournemouth is 24 miles away.
- Postcodes
- DT1, DT2
- Area
- Dorset
- Nearest towns
- Weymouth (7 miles), Poole (20 miles), Wimborne Minster (20 miles), Ferndown (24 miles)
- Pricing
- South West, about 3% above our UK midpoint
- Kerb approvals
- The highway authority
We also cover nearby Weymouth, Poole, Wimborne Minster, Ferndown, Bournemouth.
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
- 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 Dorchester
Permeable tarmac driveway cost in Dorchester: what should I budget?
As a 2026 guide in Dorchester, permeable tarmac driveway work runs at about £82–£129 per m² including VAT, so a 30 m² drive is roughly £2,700–£4,250. Edging, drainage and a dropped kerb are priced separately where needed.
Do you cover all of Dorchester?
We cover Dorchester including DT1, DT2, and nearby Weymouth, Poole, Wimborne Minster.
How long will the work take at my Dorchester property?
Usually 3–5 working days. We book Dorchester surveys alongside other jobs in Dorset, and give you dates once the specification is agreed.
Do I need permission for a permeable tarmac driveway in Dorchester?
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).
Other work in Dorchester
- Car park and yard repairs
- Front garden to tarmac driveway
- Tarmac driveway repairs
- New tarmac driveways
- Car park surfacing
- Red tarmac driveways
- Everything in Dorchester
Tell us what you have in mind for Dorchester and we'll book a survey and put the specification in writing.
Permeable tarmac driveways in Dorchester: get a written quote
Send a postcode and a rough size and we'll arrange a survey. Every quote lists the layers, edging, drainage and VAT.
- Surface courseDEPTH + MIX
- Binder courseDEPTH + MIX
- Sub-baseDEPTH + MATERIAL
- Edges, drainage, VATITEMISED