![]() Prices are usually around £70 for 850kg bags. Colours are white, yellow, blue, brown, grey and red and are primarily mixed. The gravel stones are smooth and don’t lock together, so they need a perimeter edge. Pea ShingleĪlso known as pea gravel or pea grit, this comprises stones of varying diameters between 10mm and 20mm. 40mm aggregate makes a good foundation, or use 25mm aggregate as top layer gravel. This is available under many names and is used to make a stable and compacted yet porous base. You can always use it up on a garden path. ![]() So if possible, always buy more than you need. And larger loose volumes by the truckload from a quarry. You can buy small quantities in a bag from local DIY stores or builders merchants. However, remember that small amounts cost more per kilogramme than large amounts. The following list shows the various stones available and can be used as a cost calculator. Each has unique properties and adds to the overall effect. Many types of gravel and broken rock are available for a driveway. It’s easier and quicker to hire a mini-excavator for between £150 and £200/week.Ĭompact the hardcore to fill all cavities and provide a firm base for the top gravel layer. You can excavate foundations by hand using only a shovel and pickaxe. You will find that local stone is often the cheapest and blends in better than foreign stone. Use a suitable size and colour to suit your house and the neighbourhood. There are many different types of stone used in a gravel driveway. Sometimes, install additional drainage channels depending on the drive’s length. In this case, it’s worthwhile adding extra drains at the garage entrance and where the drive meets the public pavement to divert rainwater to a soakaway. However, if the driveway has a steep gradient, the surface water might run away before it has time to drain. Therefore, it won’t usually need additional drainage. Drainageįortunately, a gravel driveway with compacted hardcore is porous, so surface water will seep through and drain away naturally. Concrete edging blocks, bricks or kerbstones make ideal borders. EdgingĪ gravel driveway needs to have a perimeter edge to prevent the gravel from creeping into the surrounding flower beds or lawn. Try to maintain the driveway as level as possible. Slopes and other terrain issues will increase the amount of gravel and hardcore you need because of the gravel’s natural creep downhill. MOT Type 1 aggregate costs around £150/m 3.Crushed concrete hardcore costs £150/m 3.However, knowing how much hardcore fits into a cubic metre is a problem, as you will always have space between lumps of rock. So, it makes sense that the hardcore thickness will vary too. We’ve already mentioned that the foundation excavation depth depends on the soil conditions. ![]() A typical weed mat or geotextile membrane costs around £40/m 2. Geotextiles prevent surface gravel from mixing with foundations and stop weeds from growing through the newly laid driveway surface. Typically, the smallest skip costs around £50/week Weed mat You might have to remove an existing driveway first and excavate soil to prepare for foundations. Unless you drill exploratory boreholes or know the site’s history, you’re only sure of the topsoil depth when you dig. Generally, you must remove topsoil and build from subsoil or bedrock. A well built and stable driveway needs firm foundations. This factor depends on the underlying geology of the area. ![]() You will also have to factor in how far your house is from the road, and if you have any features in the front garden, you don’t want to disturb, such as avoiding particular trees. The size will depend on how many cars you have in the family and how large they are. This is probably the most obvious factor. Several factors affect the cost of your new gravel drive. → Click To Get Quotes Gravel Driveway Cost Factors Remember that labour costs in London and Southeast England can be up to 20% higher than elsewhere. Use them as a starting point for your research. * All the figures shown in the table are estimates. So, to make life easy, we’ve compiled the table below to use as a cost calculator for your driveway. Calculating the cost of your gravel driveway can be tricky if you aren’t used to estimating DIY projects. ![]()
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