Planning a driveway extension in Dumbarton
Around Dumbarton, plots are often larger and drives longer, so edging, falls and the route the water takes need planning.
Frost and heavy rain test paving in Scotland, so a well-drained sub-base and full joints matter as much as the blocks.
In Scotland block paving is often called monoblock; it is the same thing, and the same rules for the base, edging and drainage apply.
How much does a driveway extension cost in Dumbarton?
Most driveway extension quotes in Scotland fall within £90–£150 per m² including VAT. A 15 m² extension would usually be about £1,550–£2,600, with any extras listed separately on your quote.
| Item | Guide price inc VAT |
|---|---|
| Driveway extension in block paving | £90–£150 per m² |
| Breaking out an old surface | £10–£40 per m² |
| Edging or kerb, bedded and haunched | £20–£50 per metre |
| Typical channel drain run | £350–£1,000 |
| Dropped kerb (vehicle crossover) construction | £1,000–£3,000 |
Guide figures for Scotland, checked 9 November 2026. See all prices or use the guide price tool.
What is included?
The hard part is the join. Blocks from the same range can differ in shade from a batch made years ago, and older blocks have weathered, so the survey looks at whether a close match is possible, whether lifting and re-mixing some existing blocks will help, or whether a deliberate border or contrasting panel will look better than a near-miss.
- Joint sand, compaction and a clean-down of the old section
- Matching options: same range, re-mixing old and new, or a planned contrast
- Old edge restraint taken out and the new paving toothed into the old pattern
- Check of the existing drive: block range, thickness, levels and condition
- New edging, kerbs or a low retaining edge where the lawn is cut back
What the survey covers
- Trees and roots near the drive
- The kerb: is it already dropped, and is it wide enough?
- Steps, thresholds and door heights
- Access for a mini-digger, skip or grab lorry
- Levels against the damp-proof course (the finished paving must sit at least 150 mm below it)
Do you need permission in Dumbarton?
Dumbarton is in Scotland, so these rules apply:
In Scotland, a hard surface between the house and the road is permitted development only if it is porous or drains to a permeable area within the property. There is no 5 m² threshold: the rule applies whatever the size.
Hard surfaces are not permitted development in a conservation area or within the grounds of a listed building, so planning permission is needed there.
A dropped kerb needs consent from your council as roads authority under section 56 of the Roads (Scotland) Act 1984, and planning permission may also be needed depending on the road.
General guidance, not legal advice. Your survey confirms what applies to your home. See the planning guide.
What happens next
Quick details
Your postcode and the job. It takes a minute.
On-site check
Measurements, levels against the damp-proof course, ground and drainage.
Itemised quote
Fixed once the specification is agreed, with no vague extras.
Laid and finished
Compacted, jointed and handed back clean.
What you can expect from us
Clean finish
The site is swept, the joints are filled and you are shown how to look after the paving.
Edges set in concrete
Every edge restraint is bedded and haunched, so the paving cannot creep.
Repair before replace
If your drive can be fixed or re-laid, we will say so.
Itemised quotes
Break-out, waste, edging, drainage and covers are separate lines you can see.
Drive extensions in Dumbarton: questions
How much does a driveway extension cost in Dumbarton?
Our guide for Dumbarton is £90–£150 per m² including VAT, so a 15 m² extension is usually about £1,550–£2,600. Your fixed price follows the survey.
Do I need planning permission for a driveway extension in Dumbarton?
In Scotland, front paving must be porous or drain within your boundary at any size, and permitted development does not apply in conservation areas. Ask us on the survey if you are unsure.
Do you cover Vale of Leven, Clydebank and Bearsden?
Yes. We cover Dumbarton and the places around it, including Vale of Leven, Clydebank and Bearsden, and the rest of Glasgow and Dunbartonshire.
Is the survey in Dumbarton free?
Yes, for new paving here: the survey and written quote are free with no obligation. Repairs and cleaning are usually priced from photos, or from a short visit where needed.
Drive extensions near Dumbarton
Nearby towns we cover for drive extensions, and drive extensions across Glasgow and Dunbartonshire:
- Drive extensions in Vale of Leven
- Drive extensions in Clydebank
- Drive extensions in Bearsden
- Drive extensions in Milngavie
- Drive extensions in Bishopbriggs
- Drive extensions in Rutherglen
