How to lay a gravel driveway | Outdoor & Garden | B&Q (2024)

By Tom Drake | 6th February 2024 | 5 min read

Laying a gravel driveway is one of the easiest and most cost-effective ways to add extra parking to your home. Whether you want to add an extra parking space to complement an existing driveway or create a new one entirely, in this guide we outline how you can lay your own gravel driveway.

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1. Measure and mark out

Before you start excavating your driveway it’s important to measure and mark out the area where you want to build it.

Before you start, think about the number of vehicles you want to park and whether they will fit. Remember to consider the space the vehicles will occupy, and the space needed to move them in and out of the driveway.

A line marking spray is one of the easiest ways to mark out where your driveway is going to go.

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2. Clear and dig the area

Next up you’ll need to clear and excavate the area where you're going to lay your gravel. Before you start excavating, it’s important to consider how you’re going to dispose of any soil and your old driveway if you’re replacing it. If you’re creating a small parking space, you may be able to use the soil in other areas of your garden. For larger areas or if you need to remove an older concrete driveway, you may need to hire a skip or grab lorry.

If you’re adding a small parking space, you might be able to excavate your driveway by hand. For anything larger, consider hiring an excavator or professional help to save yourself some time.

For a gravel driveway, you need to dig to a depth of 200mm. This will allow for 150mm of sub base and 50mm of gravel. Before excavating, hire a cable avoidance tool (CAT) to check for any buried cables below your front garden.

3. Add the sub base

Once you’ve excavated, it’s time to install your sub base. The sub base is designed to support the weight of the heavy vehicles that will be using your driveway and prevent it from sinking, so it’s important to get it right. We recommend using 150mm of MOT type 1 sub base, which has great load-bearing properties. Add your sub base to your driveway and compact it with a plate compactor. When using a plate compactor, remember to wear safety boots, goggles and ear protectors.

Tarmac MOT Subbase, Large Bag(12)£5.30

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MOT type 1 Subbase, Bulk Bag, 13.5m²(67)£75.00

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4. Add edging

Once you’ve laid your sub base you can add your edging. Edging is used to keep the gravel in place and stop it from spreading to the surrounding areas.

If you’re replacing an existing driveway which has edging, or you’re laying gravel in an area which is surrounded by walls or fencing, you may be able to skip this step.

There are several different options available including concrete edging and block paving. If you’re looking for a quick and cost-effective solution for a small parking space, you could even use timber edging.

5. Lay weed control fabric

Once you’ve laid and compacted your sub base down, you’ll need to addweed control fabric. This is designed to stop weeds coming up from underneath your driveway whilst still allowing water to drain through. Spread your weed mat out across your driveway and use rocks or bricks to weigh it down.

At this stage, you may want to lay a gravel stabiliser grid. Grids are designed to stop the gravel on your driveway moving around over time. They can be particularly useful for sloping driveways.

Verve Landscaping fabric (W)1m (L)10m(10)£18.00

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Verve Driveway Landscaping fabric (W)5m (L)5m(10)£38.00

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6. Lay gravel

The last step is laying the 50mm of gravel on top. Pour the gravel onto your driveway and use a rake to spread it across. Once you’ve got an even layer of gravel across your driveway, give it a quick rinse with the hose to remove any dust and dirt leaving you with a beautiful new driveway.

  • 20mm Gravel, Bulk Bag 14m²(165)£75.00

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  • Tarmac 20mm Gravel, Large Bag(119)£4.00

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Maintaining your gravel driveway

Once you’ve finished your gravel driveway, you’re going to want to keep it in pristine condition. Here are a few tips to help you maintain your gravel driveway.

Rake regularly

Regularly raking your driveway will help keep the level of gravel even.

Remove debris

Small debris such as leaves and twigs may accumulate on your driveway. Clearing these regularly with a rake or leaf blower will keep it looking great.

Remove weeds

Even with weed control fabric installed, weeds may start to grow in your gravel driveway. You can remove these by hand or use a weed killer in the affected areas.

Add extra gravel

Over time, the level of gravel on your driveway might drop. If this happens, buy a few small bags of gravel to top it up.

As you can see, with some care and attention, you can create your own gravel driveway that will enhance the curb appeal of your home and give you adequate space to park your vehicles. If you’re looking for more ideas to improve the front of your home, take a look at our top front garden ideas.

How to lay a gravel driveway | Outdoor & Garden | B&Q (2024)

FAQs

How do you prepare ground for gravel drive? ›

Before laying your gravel driveway, you must first prepare the area. This may require removing debris, turf, or topsoil. You will then need to dig out the area to a depth of between 50mm to 200mm. It is important that a minimum of 50mm is left for the gravel, and 150mm for the sub-base if you plan on including one.

What is the best base for a gravel driveway? ›

#2 Limestone gravel is most commonly used as the base for gravel driveways. These small rocks are able to form a solid and dependable foundation while providing adequate drainage. Both of these factors are an essential part of constructing a gravel driveway.

What to put under a gravel driveway? ›

If you want a gravel driveway that withstands wear and tear and is extremely stable, you need to place landscape fabric under the gravel. Even though gravel driveways have several layers of gravel, you still need landscape fabric under the first level.

How deep does gravel need to be for a driveway? ›

The total depth of a gravel driveway should be 12 to 18 inches thick. Each layer should be four to six inches thick—three layers are best for durability and longevity.

Is 2 inches of gravel enough for a driveway? ›

Gravel should be a minimum of 4-inches deep. The smaller the gravel, the more even the coverage will be. If rocks are on the larger side, allow for an additional 1/2 inch.

Can you put gravel straight into soil? ›

You can use a wacker plate or roller to compact the sub-base and ideally the base should slope away from your house or garage. This is to help with water runoff. You can put your gravel directly onto the firm soil, though this isn't recommended as it won't be a stable base for your gravel driveway.

What is the best barrier for a gravel driveway? ›

Geotextile fabric is a favorite among homeowners looking for the best underlayment for gravel driveway because unlike weed barrier fabric, it's specifically designed to stabilize gravel and bear heavy loads.

What can I pour on gravel to keep it in place? ›

Mulch glue is a landscape adhesive that can be used to hold mulch, wood chips, gravel, pebbles and other small landscaping material in place. It dries fast and is permeable so you don't have to worry about water pooling up on top.

How much does 1 ton of gravel cover? ›

As a general guide, one ton of gravel typically covers approximately: 100 square feet at a 2-inch depth. 80 square feet at a 3-inch depth. 60 square feet at a 4-inch depth.

What is the cheapest gravel for driveways? ›

Pea gravel, crushed granite and steel slag are some of the cheapest gravel options for driveways.

Do I need to remove grass before laying gravel driveway? ›

If you're building a driveway, you might be wondering “Can I pour gravel on top of grass for a driveway?” The answer is no. You need to dig it up. Even if you're laying pea gravel right on top of grass, it's still going to be a problem.

How do I prepare my yard for gravel? ›

Preparation
  1. Clear the area: Remove any grass, weeds, or debris from the area where you'll be laying the gravel. ...
  2. Level the soil: Use a rake to level out the soil and create a smooth, even surface. ...
  3. Compact the soil: Use a tamper to compact the soil, creating a firm foundation for your gravel.

What do you lay under a gravel path? ›

A weed membrane or landscape fabric will prevent unwanted weeds from encroaching on your new gravel path.

Do I need to dig before laying gravel? ›

If you use gravel for a more practical purpose, such as a footpath or driveway then it is advised that you dig down roughly a minimum of 15cm and place a sub-base of 100mm before laying around 50mm of gravel on top. This prevents the gravel from moving and sinking under various weights and movements.

References

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