Kerbs, drainage and covers

Drainage for block paving

Channel drains, soakaways and falls so water leaves the drive in the right place.

  • £350–£1,000 inc VAT
  • Free survey for new paving
  • Written, itemised quote
Linear channel drain with a steel grating across a block paved driveway in front of a garage

What does a drive drainage job involve?

Drainage for block paving makes sure rain leaves the surface in a controlled way: falls in the paving direct it, channel drains collect it across openings, and a soakaway or approved connection takes it away. Standard block paving sheds most of its rain, so a drive without a plan for the water ends up with puddles, wet thresholds or water running onto the pavement.

We design the falls first, then add channels only where they are needed, typically across a garage door, at the bottom of a drive sloping to the house, or where the drive meets the pavement. Where the rules require water to be dealt with on site, a soakaway or a permeable build is the usual answer.

What is included?

  • Levels survey and a falls plan
  • Linear channel drains with gratings rated for cars
  • Soakaway crates or rubble soakaways where ground allows
  • Connection to an existing surface water gully where permitted
  • Threshold drainage at doors and garages

Which options are there?

Channel drain

A slotted channel across the drive, usually in front of a garage or at the boundary.

Soakaway

An underground chamber or crates that store water and let it soak into the ground.

Permeable build

Let the paving itself drain (see permeable block paving).

How much does a drive drainage job cost?

UK guide price£350–£1,000 inc VATIncluding VAT at 20%

The price depends on the size, the access and what is needed underneath, so it is confirmed after the survey. Extras are listed separately on your quote.

RegionGuide price inc VAT
London£420–£1,200
South East£380–£1,100
East of England£370–£1,050
South West£350–£1,000
West Midlands£350–£1,000
East Midlands£350–£1,000
North West£350–£1,000
Yorkshire and the Humber£320–£900
North East£320–£900
Wales£330–£930
Scotland£350–£1,000
Northern Ireland£330–£950

Guide figures checked 9 November 2026. Your written quote after the survey is the price you pay. See the full price list or try the guide price tool.

Is a drive drainage job right for you?

Good for

  • Drives that slope towards the house or garage
  • Water running onto the pavement
  • Puddles that never clear

Think twice if

  • Connecting surface water to a foul sewer (not allowed)

How does it work?

  1. Quick details

    Your postcode and the job. It takes a minute.

  2. On-site check

    Measurements, levels against the damp-proof course, ground and drainage.

  3. Itemised quote

    Fixed once the specification is agreed, with no vague extras.

  4. Laid and finished

    Compacted, jointed and handed back clean.

Do you need permission?

Front-garden paving and dropped kerbs follow different rules in each part of the UK:

Front drive rules in England

In England, paving in front of the house that covers more than 5 m² needs planning permission unless it is permeable or drains to a lawn, border or soakaway inside your boundary. Permeable block paving, or standard blocks laid to fall onto a planted strip, avoid the need for permission in most cases.

Flats and maisonettes, listed buildings, and homes covered by an Article 4 direction can have tighter rules, and conservation areas, National Parks and National Landscapes restrict some permitted development.

A dropped kerb needs your local highway authority's approval (usually the county, unitary, metropolitan or London borough council), and a new access onto an A, B or C classified road also needs planning permission.

Front drive rules in Wales

In Wales, any new or replacement hard surface at the front of a house should be permeable or drain to a permeable area within the property to avoid needing planning permission. Unlike England, there is no 5 m² allowance for new paving; only repairs of up to 5 m² of existing surface are exempt.

Since January 2019, construction work covering 100 m² or more with drainage implications, including drives and patios, needs approval from the local SuDS Approving Body (SAB) before work starts, even where planning permission is not needed.

A dropped kerb needs your council's approval as highway authority, and a new access onto a classified road needs planning permission.

Front drive rules in Scotland

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.

Front drive rules in Northern Ireland

In Northern Ireland, a hard surface between the front of the house and the road that covers or replaces more than 5 m² must be porous or permeable, or drain to a permeable area within the property, to be permitted development.

Hard surfaces within the grounds of a listed building need listed building consent. Planning is handled by your district council, so check with its planning office if you are unsure.

Dropped kerbs in Northern Ireland are approved by DfI Roads (the Department for Infrastructure), not the council; check planning separately with the council.

Questions about drainage

Where should a drainage channel go on a drive?

Where water collects or must be stopped: in front of a garage door, along a threshold, or across the bottom of a drive that falls towards the house or road.

Can I connect my drive to the main sewer?

Surface water must not go into a foul sewer. Connections to a surface water sewer usually need the water company's consent; a soakaway or permeable paving is often simpler.

How far should a soakaway be from the house?

Building Regulations guidance keeps soakaways at least 5 m from a building, and the ground has to drain well enough, which is checked with a test pit on site.

Where do you offer drive drainage jobs?

We quote drive drainage jobs across the UK. Choose your area for local prices and towns.

Next step

Get a guide price in two minutes

Answer four quick questions for an instant guide price, then book a free survey to fix it in writing. Repairs and cleaning can often be priced from photos.

Hands laying charcoal paving blocks in herringbone on a sand bed
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