Choosing the best gravel for a driveway is about more than appearance. The right aggregate creates a stable surface, drains rainwater effectively and stands up to daily traffic. Choosing the wrong material can lead to loose stones, ruts and ongoing maintenance.
Quick answer
For most UK driveways, the best gravel is 14mm to 20mm angular gravel laid over a properly compacted MOT Type 1 sub-base. Angular stones lock together, making the surface more stable than rounded gravel while still allowing rainwater to drain naturally.
Why choosing the right gravel matters
A gravel driveway remains one of the most popular choices for UK homes. It is usually more affordable than block paving or tarmac, allows rainwater to drain naturally and suits both modern and traditional properties.
However, not all gravel performs in the same way.
Choosing the right aggregate helps to create a stable driving surface, reduce loose stones moving around and improve drainage. It can also reduce maintenance over time and improve the appearance of your property.
The best results come from selecting both the right gravel and the correct foundation underneath it.
What is the best gravel for a driveway?
For most domestic driveways, angular gravel between 14mm and 20mm offers the best balance between stability, drainage and appearance.
Unlike smooth stones, angular gravel has rough edges that naturally lock together once spread and compacted. This reduces movement when vehicles brake, accelerate or turn.
Rounded gravel can look attractive, but it moves more easily under vehicle tyres. That makes it better suited to decorative areas than busy driveways.
Angular vs rounded gravel
| Angular gravel | Rounded gravel |
|---|---|
| Locks together well | Moves more easily |
| Better for vehicles | Better for decorative areas |
| Creates a more stable surface | Has a softer appearance |
| Recommended for most driveways | Best for paths and gardens |
Expert tip
If you like the appearance of rounded gravel, consider using a gravel stabilisation grid underneath. This helps reduce movement while keeping the decorative look.
What gravel size is best?
The size of the stone affects both comfort and performance.
| Gravel size | Best use |
|---|---|
| 10mm | Garden paths and decorative areas |
| 14mm | Small domestic driveways |
| 20mm | Most residential driveways |
| Over 20mm | Rural or heavy-duty access roads |
Very small stones can become trapped in tyre treads. Larger stones can feel unstable underfoot.
For most homes, 14mm or 20mm gravel provides the best balance.
Popular driveway gravel options
Golden Gravel
Golden Gravel remains one of the UK’s most popular driveway aggregates.
It offers warm natural colours and provides excellent kerb appeal while still delivering good drainage.
Limestone
Limestone is a durable choice that compacts well and creates a clean, natural finish.
It works particularly well on driveways with regular vehicle traffic.
Granite
Granite is extremely hard wearing.
It is often chosen where durability is more important than colour.
Decorative gravel
Decorative gravels are available in a wide range of colours and finishes.
They can improve the appearance of your property, but they should still be suitable for vehicle use if they are being used on a driveway.
Don’t forget the sub-base
The gravel itself is only the top layer.
The strength of your driveway comes from what sits underneath it.
A typical gravel driveway includes:
- Excavated ground.
- Geotextile membrane where needed.
- Compacted MOT Type 1.
- Decorative gravel.
Without a solid sub-base, the gravel is far more likely to develop dips, wheel tracks and uneven areas.
Common mistake
Adding new gravel onto soft ground rarely solves the problem. If the base is unstable, the new gravel will eventually move as well.
How much gravel do you need?
The amount of gravel depends on the size of the driveway, the depth of the gravel layer and the type of aggregate used.
Example
A driveway measuring 5 metres by 10 metres with a 50mm gravel layer will need considerably more aggregate than a small parking space. If you’re unsure, your supplier can calculate the quantity before delivery.
How to choose the right gravel supplier
Choosing the right supplier is just as important as choosing the right gravel.
Look for a supplier that offers consistent aggregates, reliable local delivery and advice on quantities. It also helps to choose a supplier that can provide both driveway gravel and MOT Type 1.
If you’re planning other landscaping work, you may also find our blog useful for choosing the right aggregate for different garden projects. Visit our latest aggregate advice and guides for more information.
Conclusion
For most UK homes, the best gravel for a driveway is 14mm or 20mm angular gravel laid over a properly prepared MOT Type 1 sub-base.
Choosing the right material from the start creates a driveway that looks better, drains properly and lasts longer with less maintenance.
CWM Aggregates supplies high-quality driveway gravel, decorative aggregates and MOT Type 1 with reliable delivery across Hampshire. If you’re unsure which material is right for your project, our team can help you choose the right product and the correct quantity.
Frequently Asked Questions
For most homes, 14mm or 20mm angular gravel is the best option because it creates a stable surface while allowing good drainage. If you’re not sure which aggregate is best for your project, CWM Aggregates can help you choose the right material and quantity before you order.
