Installing a concrete driveway is one of the most durable and valuable upgrades you can make to a property. While it’s possible to tackle as a serious DIY project, it demands proper planning, ground prep, accurate formwork, and careful finishing. This guide walks you through each stage with professional insight — whether you're doing it yourself or hiring a crew, you'll know exactly what to expect.
For cars and light vans, 100mm (4 inches) is the minimum thickness. For heavier vehicles, increase to 150mm (6 inches). Reinforcement mesh or fibres can further boost strength.
You’ll need basic groundwork and finishing tools, but don’t skip the right PPE. Dust, wet concrete, and reinforcement materials can be hazardous if mishandled.
Measure the area and mark out the perimeter with stakes and string. Consider vehicle size, turning space, and any drainage requirements. Check for utility lines and planning regulations if applicable. The layout should have a gentle fall for surface water runoff — typically a 1:80 gradient away from the property or into an approved drain.
Excavate to a minimum of 200–250mm to allow for sub-base and concrete depth. Remove all topsoil and organic material. Compact the ground using a plate compactor or roller. Add 100–150mm of MOT Type 1 hardcore and compact in layers. A stable sub-base is critical to prevent future cracking and settlement.
Use treated timber to create rigid forms around the perimeter. Secure them with stakes every 600mm. Ensure the forms are level and match the desired slope. Use a laser level or string line for accuracy. Apply a form-release oil to make removal easier after curing.
Most driveways benefit from steel mesh reinforcement (e.g. A142). Lay the mesh on small concrete spacers (“chairs”) to keep it centered in the slab. This prevents cracking and improves load-bearing capacity. Alternatively, a fibre-reinforced mix can be ordered if mesh isn’t practical.
Order ready-mix concrete to suit your driveway thickness and reinforcement needs. Begin pouring from one end, spreading evenly with shovels or rakes. Use a tamping beam to level the surface and remove air pockets. Work quickly — timing is key. Use expansion joints if the area exceeds 6m in length or 3m in width.
Once leveled, smooth the concrete with a float. Apply an edge finish to the sides using an edging tool. For grip, apply a light broom finish across the surface. Avoid overworking the surface or adding water — this weakens the top layer. Consider decorative finishes like exposed aggregate or colour if desired.
Curing is vital for long-term durability. Cover the driveway with a curing blanket, polythene sheet, or apply a curing compound. Keep it moist for at least 7 days in summer, or longer in cooler conditions. Don’t drive on it for at least 7 days, and avoid parking for 28 days until it reaches full strength.
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