Permeable tarmac driveways in Mountain Ash
A good permeable tarmac driveway in Mountain Ash 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.
What does a permeable tarmac driveway cost in Mountain Ash?
These Mountain Ash guide prices reflect rates in Wales, about 5% below our UK midpoint.
| Item | Guide price (inc VAT) |
|---|---|
| Porous asphalt drive on a permeable stone base | £76–£119 per m² |
| Example: 30 m² drive | £2,500–£3,900 |
| Example: 50 m² drive | £3,800–£5,950 |
| Example: 80 m² drive | £6,100–£9,500 |
As a 2026 guide in Mountain Ash, permeable tarmac driveway work runs at about £76–£119 per m² including VAT, so a 80 m² drive is roughly £6,100–£9,500. Guide only; the survey confirms a fixed price.
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
- Overflow to a soakaway or border on slow-draining ground
- Edge restraint that does not block the flow
The build-up we price
Where we work in and around Mountain Ash
Survey cover and pricing for Mountain Ash. Smaller towns such as Mountain Ash are surveyed alongside nearby jobs in Mid Glamorgan.
- Postcodes
- CF45
- Area
- Mid Glamorgan
- Nearest towns
- Treharris (3 miles), Rhondda (3 miles), Aberdare (4 miles), Merthyr Tydfil (4 miles)
- Pricing
- Wales, about 5% below our UK midpoint
- Kerb approvals
- The council
We also cover nearby Treharris, Rhondda, Aberdare, Merthyr Tydfil, Tonypandy.
Planning and kerb rules for Mountain Ash
In Wales, new front hardstanding should be porous or drain to a permeable area within the property, and work covering 100 m² or more with drainage effects usually needs SAB approval first. A vehicle crossing over the footway is a separate approval, from the council as highway authority.
Mountain Ash: common questions
How long will the work take at my Mountain Ash property?
Usually 3–5 working days. We book Mountain Ash surveys alongside other jobs in Mid Glamorgan, and give you dates once the specification is agreed.
Do I need permission for a permeable tarmac driveway in Mountain Ash?
In Wales, new front hardstanding should be porous or drain to a permeable area within the property, and work covering 100 m² or more with drainage effects usually needs SAB approval first. Dropped kerbs are approved by the council as highway authority.
Will someone visit before I get a fixed price in Mountain Ash?
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.
Permeable tarmac driveway cost in Mountain Ash: what should I budget?
As a 2026 guide in Mountain Ash, permeable tarmac driveway work runs at about £76–£119 per m² including VAT, so a 80 m² drive is roughly £6,100–£9,500. Edging, drainage and a dropped kerb are priced separately where needed.
More we do in Mountain Ash
- Tarmac paths and footpaths
- Private and access road surfacing
- Tarmac driveway resurfacing
- Front garden to tarmac driveway
- Red tarmac driveways
- Car park and yard repairs
- Everything in Mountain Ash
Questions about permeable tarmac driveways in Mountain Ash? Call, WhatsApp or use the form, and we'll talk it through.
Permeable tarmac driveways in Mountain Ash: 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