In England, you do not need planning permission for a new or replacement driveway in a front garden if it uses a permeable surface, or if rainwater from a non-permeable surface drains onto a lawn or border within your property. If you want to lay more than 5 square metres of non-permeable surface that drains towards the road, you do need planning permission. Separately, creating a new vehicle access across the pavement needs a dropped kerb approved by the highway authority, and properties on classified roads, listed buildings and flats have extra rules.
Why the rules exist
The front garden rules were introduced in 2008 because paving over gardens with hard, sealed surfaces sends rainwater straight into drains and onto roads. Across whole streets that adds to surface water flooding and carries pollution into rivers. The aim is to keep water soaking into the ground where it falls.
What counts as a permeable surface
A permeable surface lets water pass through it or around it into the ground below. Choosing one is usually the simplest way to avoid needing permission.
- Permeable block paving, laid with gaps and a free-draining sub-base
- Gravel or loose aggregate
- Resin-bound surfacing laid on a permeable base
- Porous asphalt or concrete designed to drain
- Traditional paving or blocks, if the water runs off into a soakaway, lawn or border on your property
The 5 square metre rule
If you prefer standard impermeable block paving, tarmac or concrete and the water will run towards the road or pavement, you can lay up to 5 square metres without planning permission. Most driveways are far larger than that, so in practice an impermeable driveway draining to the highway will need an application. Designing in a channel drain to a soakaway, or falls towards a planted area, is the usual way round it.
Dropped kerbs and widening an entrance
A driveway is only useful if you can legally drive onto it. Crossing a pavement or verge requires a vehicle crossover, commonly called a dropped kerb, and this needs approval from the highway authority, which in Northamptonshire is the relevant unitary council. The council sets its own criteria on visibility, depth of the driveway and nearby trees or street furniture, and normally uses approved contractors for work on the public highway.
Widening an existing driveway entrance usually means extending the dropped kerb too, so it goes through the same approval. If your house is on a classified road, such as an A or B road, planning permission may also be needed for a new access.
Other situations that need checking
Listed buildings, flats and maisonettes, and homes where permitted development rights have been removed may need permission even for a permeable driveway. In conservation areas, walls, gates and boundary changes that come with a new driveway can need consent. Rear and side gardens are generally less restricted than front gardens, but drainage should still be designed properly.
A quick checklist before you start
Before committing to a design, it helps to work through a few simple questions. Answering them early means your driveway can be designed to avoid an application altogether, or you will know in good time that one is needed and can factor the extra weeks into your plans.
- Is the driveway in the front garden, and will it be more than 5 square metres?
- Will the surface be permeable, or will water drain to a lawn, border or soakaway on your land?
- Do you need a new or wider dropped kerb, and is the road classified?
- Is the house listed, in a conservation area, or a flat or maisonette?
- Have permitted development rights been removed on your estate?
Getting the drainage and base right
Whichever surface you choose, most driveway problems start underneath it. A properly excavated and compacted sub-base, the right falls, suitable edging and adequate drainage are what stop sinking, puddling and weeds. A permeable system in particular relies on the correct open-graded base; laying permeable blocks on a sealed base defeats the purpose.
Superior Build & Landscape installs driveways, paving and edging for homeowners across Northamptonshire and within about 30 miles of NN6. George can talk through the layout, materials and drainage that suit your property and put together a quote.
Frequently asked questions
Do I need planning permission to replace my existing driveway?
Not if the new surface is permeable, or water drains to a permeable area within your property. Replacing it with more than 5 square metres of impermeable surface draining to the road needs permission.
Do I need permission for a dropped kerb?
Yes. A new or widened vehicle crossover over a pavement or verge needs approval from the highway authority, separate from planning permission.
Is block paving permeable?
Standard block paving is not treated as permeable unless it drains to a soakaway or planted area. Purpose-made permeable block paving on a free-draining base is.
Do the rules apply to back gardens?
The 5 square metre rule is specifically about front gardens. Rear and side gardens are generally less restricted, although good drainage is still important.