What Is the Best Block Paving for a Driveway?
The best block paving depends on the driveway budget, appearance, vehicle loading and ground conditions. Concrete blocks are generally the most economical and standardised option. Clay pavers offer good colour retention, while natural stone setts and cobbles provide greater natural variation and a more substantial appearance. Granite is particularly suitable where high strength and resistance to wear are priorities.
Is Natural Stone Block Paving Better Than Concrete?
Natural stone is generally more expensive than standard concrete block paving, but it offers different advantages. Granite, sandstone and limestone have natural colours throughout the material, while some manufactured concrete paving can lose surface colour over time. Concrete remains a practical choice where cost, consistent dimensions and installation speed are the main considerations.
What Thickness of Block Paving Is Suitable for Driveways?
Standard concrete driveway blocks are commonly supplied in 50–60 mm thickness. For natural stone setts and cobbles, approximately 50 mm is generally suitable for normal domestic cars and light vehicles when the complete pavement is correctly designed and constructed. Thinner 30 mm natural stone setts are better suited to pedestrian areas and edging. Heavier vehicles may require 80–100 mm stone or another engineered specification.
How Much Does Block Paving Cost per m² in the UK?
Professionally installed concrete block paving is commonly quoted at approximately £80–£140 per m², although actual costs vary considerably. Natural stone block paving generally costs more because of the material price and additional laying work. For current material prices, see our Granite Setts Price Guide and Indian Sandstone Cobbles Price Guide.
Does a Block Paving Driveway Need Planning Permission?
In England, a new or replacement front driveway normally does not require planning permission when the surface is permeable or rainwater drains to a suitable permeable area within the property. Where more than 5 m² is covered by impermeable paving without suitable on-site drainage, planning permission may be required. Different rules may apply elsewhere in the UK, and restrictions can also apply to individual properties.
Understanding Block Paving for UK Driveways
Block paving is one of the most established driveway surfaces in the UK. It can be used for traditional entrances, modern geometric layouts, curved parking areas, pathways and hard-wearing vehicle surfaces.
However, the term covers several different materials and installation systems. Concrete blocks, fired clay pavers, granite setts, sandstone cobbles and limestone setts should not automatically be specified, installed or maintained in the same way.
Individual paving units are laid in a repeated pattern over a prepared supporting structure. Compared with large paving slabs, smaller units allow more flexibility in laying patterns, curved boundaries and local repairs.
The main types used in the UK include:
- Concrete block paving
- Clay paving bricks
- Granite setts
- Basalt setts
- Sandstone cobbles
- Limestone cobbles and setts
- Purpose-designed permeable block paving systems
What Is the Difference Between Blocks, Setts and Cobbles?
Block Paving
Block paving commonly refers to manufactured concrete or clay units with consistent dimensions. Standard concrete block paving is usually installed on a compacted granular sub-base with a sand laying course and sand-filled joints.
Stone Setts
Setts are small natural stone paving units, commonly manufactured from granite, basalt, sandstone or limestone. They can have cropped, sawn, hand-cut, flamed or tumbled finishes.
Cobbles
Historically, cobbles referred to naturally rounded stones. In modern UK paving trade terminology, the word is also used for square or rectangular natural stone units, particularly sandstone and limestone cobbles. These products are often similar to setts.
Paving Slabs
Paving slabs are normally larger than setts or cobbles. Standard 20–22 mm Indian sandstone patio slabs should not automatically be used for vehicle loading. The same principle applies to ordinary 20 mm porcelain patio tiles unless they form part of a specifically designed vehicle-bearing construction.
Main Types of Block Paving for Driveways
Concrete Block Paving
Concrete blocks are widely used for domestic driveways throughout Britain. They are manufactured in standard sizes, making them relatively straightforward to lay in regular patterns.
The main advantages are lower initial material cost, consistent dimensions, broad availability and the possibility of replacing individual blocks.
However, some coloured concrete blocks can fade over time, particularly where the surface pigment is gradually affected by weathering and abrasion. Efflorescence, staining and surface wear may also occur.
Clay Pavers
Clay pavers are manufactured from fired clay. Their natural ceramic colour extends through the material, giving them good long-term colour retention.
They are particularly suitable for brick-built properties, traditional entrances, heritage-style driveways and courtyards.
Clay pavers generally cost more than standard concrete blocks, but they offer a distinctive appearance and strong colour stability.
Granite Setts
Granite setts are among the strongest natural stone block paving materials. Granite is dense, resistant to abrasion and suitable for long-term external use when properly specified.
Common finishes include:
- Cropped: Mechanically split edges with traditional dimensional variation.
- Sawn: More accurately cut edges and controlled dimensions.
- Sawn and flamed: Regular edges with a textured upper surface.
- Sawn and tumbled: More controlled dimensions with softened, weathered edges.
For ordinary domestic cars, approximately 50 mm thick granite setts are generally suitable with the correct supporting construction.
Granite is a particularly good choice for customers who want a durable natural stone driveway with consistent long-term colour.
Basalt Setts
Basalt is a dense, dark natural stone, generally available in charcoal, blue-black and near-black colours.
Black Basalt Setts can be used for driveways when their thickness, surface finish and installation system are suitable for vehicle loading.
Dark basalt can show light-coloured dust, dried salts and jointing residue more clearly than grey granite, so cleaning and maintenance should be considered when selecting the product.
Sandstone Cobbles
Indian sandstone cobbles are available in a wide range of natural colours, including Kandla Grey, Raj Green and Autumn Brown.
Approximately 50 mm thick sandstone cobbles can be suitable for normal domestic driveways when fully supported by a suitable construction system.
Hand-cut sandstone has natural surface and edge variation. Tumbled sandstone has softened edges and a weathered appearance.
The distinction between sandstone cobbles and ordinary thin patio paving is important. For more details, read Can Indian Sandstone Be Used for Driveways?
Limestone Cobbles and Setts
Limestone cobbles and setts are another natural stone option for driveways, courtyards and garden paths.
Limestone varies considerably in density, porosity and strength according to its geological formation. It is therefore important to select products manufactured and specified for the intended use.
Thicker limestone cobbles can be suitable for residential driveways, but standard thin limestone patio slabs should not automatically be treated as driveway paving.
Some limestone is also sensitive to acidic cleaning chemicals, which should be considered during maintenance.
Natural Stone Block Paving vs Concrete Blocks
| Feature | Concrete Blocks | Natural Stone Setts |
|---|---|---|
| Initial material cost | Generally lower | Generally higher |
| Dimensional consistency | Highly consistent | Depends on manufacturing finish |
| Colour | Manufactured colour range | Natural mineral colour |
| Colour retention | Some products fade | Generally strong, especially granite |
| Installation | Usually flexible construction | Often rigid mortar construction |
| Appearance | Regular and uniform | Natural variation |
| Maintenance | Jointing, cleaning and repairs | Jointing, cleaning and repairs |
| Typical application | Standard domestic driveways | Traditional and premium driveways |
Concrete block paving remains a practical choice where budget and regular dimensions are important.
Natural stone generally offers a more individual appearance and better long-term colour stability. Granite is particularly suitable for customers who want a hard-wearing surface that can often be cleaned or refurbished after years of use.
What Thickness Should Driveway Block Paving Be?
The appropriate thickness depends on the strength of the material, dimensions of the paving units, type of vehicle, supporting base and installation method.
| Thickness | Typical Natural Stone Application |
|---|---|
| 30 mm | Paths, decorative paving, garden borders and edging |
| 50 mm | Domestic driveways for normal cars and light vehicles, with appropriate construction |
| 80–100 mm | Heavier loading and engineered vehicle paving |
These are general natural stone specifications, not universal load ratings. Concrete driveway blocks have their own manufactured thicknesses and system requirements.
Vehicle turning and braking forces, repeated heavy loading and weak ground conditions can require stronger construction even when the surface stone is exceptionally durable.
Driveway Construction Principle
A strong paving stone does not make a strong driveway on its own. Correct sub-base preparation, bedding, edge restraints, jointing and drainage are just as important as the stone thickness.
Common Block Paving Sizes and Patterns
Natural stone driveway setts commonly include 100 × 100 mm and 200 × 100 mm formats. The smaller square format is useful for curved boundaries, fan patterns and traditional layouts. The rectangular format is often more efficient for regular courses and straight driveways.
45-Degree and 90-Degree Herringbone
Herringbone patterns provide strong mechanical interlock in correctly designed flexible block paving systems. They are widely used on driveways where vehicles turn or brake.
Running Bond
Running bond uses staggered joints and provides a regular pattern suitable for rectangular paving units.
Stack Bond
Stack bond aligns the joints in continuous straight lines. It has less mechanical interlock than herringbone in flexible block paving and therefore requires careful consideration for vehicle surfaces.
Coursed Granite or Sandstone Setts
Coursed setts create traditional paving with regular rows and may include mixed lengths. Cropped stone requires more adjustment during laying because individual pieces are less dimensionally consistent.
Fan and Radial Patterns
Fan and radial patterns are common in traditional cobbled courtyards and entrances. They require more setting-out, cutting and labour than standard rectangular patterns.
Driveway Edging and Borders
Proper edge restraints are essential to prevent block paving from spreading or moving under vehicle loading.
Suitable options include concrete kerbs, granite kerbs, stone setts bedded in concrete, purpose-made edging units and existing structural boundaries where appropriate.
Granite setts are also useful as decorative borders around sandstone paving, concrete blocks, gravel, resin-bound surfaces and garden paths.
However, decorative borders and structural edge restraints are not necessarily the same thing. A border must be properly constructed if it is expected to restrain vehicle paving.
How Is a Block Paving Driveway Installed?
The installation method depends on whether the paving uses a flexible or rigid construction system.
Flexible Concrete Block Paving
Traditional flexible block paving generally uses a compacted granular sub-base, a suitable sand laying course and sand-filled joints.
The main construction stages are:
- Excavate and prepare the subgrade.
- Install and compact the specified sub-base.
- Construct secure edge restraints.
- Screed the appropriate laying course.
- Lay blocks in the selected pattern.
- Cut perimeter blocks and complete the joints.
- Compact the surface using appropriate equipment.
- Refill and consolidate jointing sand where required.
This system depends on the interaction between blocks, joints, edge restraints and the compacted foundation.
Rigid Natural Stone Block Paving
Granite setts, sandstone cobbles and limestone setts are commonly installed using a rigid construction system.
Typical construction requirements include:
- Suitable excavation and subgrade preparation.
- A properly compacted MOT Type 1 sub-base or other specified foundation.
- Secure edge restraints.
- A full mortar bedding layer with proper support beneath each stone.
- Slurry primer or other bonding preparation where required.
- Individual positioning and levelling of the setts.
- Suitable rigid jointing materials.
- Adequate curing before vehicle access.
Cropped and hand-cut natural stone often varies in thickness, so individual bedding adjustments may be necessary. This generally requires more labour than laying uniform concrete blocks on a screeded sand bed.
Important Installation Requirement
Do not assume that natural stone setts can be laid using the same sand-bedding and surface-compaction procedure as standard concrete block paving. Use a construction system suitable for the specific stone, bedding material, jointing method and expected loading. Avoid spot bedding or leaving unsupported voids beneath driveway setts.
For detailed methods, see How to Lay Granite Setts for a Driveway and How to Lay Sandstone Cobbles for a Driveway.
How Deep Should a Driveway Sub-Base Be?
A domestic driveway commonly uses approximately 100–150 mm of compacted granular sub-base, but there is no single depth suitable for every project.
The correct depth depends on soil strength, vehicle loading, drainage, excavation conditions and the pavement construction above.
Where a deeper granular sub-base is required, it should be installed and compacted in appropriate layers. Poor compaction is a common cause of settlement, even when sufficient aggregate has been supplied.
Weak ground, frequent van traffic or unusually heavy vehicles may require a stronger, site-specific foundation design.
Driveway Drainage and SuDS Requirements
Drainage should be considered before construction begins. A driveway must not simply direct uncontrolled surface water towards the public highway or neighbouring property.
In England, new or replacement front driveways generally do not require planning permission where the surface is permeable or runoff is directed to a suitable permeable area within the property.
If more than 5 m² of front garden is covered with traditional impermeable paving without suitable on-site drainage, planning permission may be required.
Different rules apply in Scotland, Wales and Northern Ireland. Local restrictions and property-specific conditions may also affect the requirements.
Where a new vehicle crossover or dropped kerb is needed, permission from the relevant highway authority is generally required.
Is Natural Stone Block Paving Permeable?
Not automatically. A driveway is only permeable when the complete construction is designed to accept and manage surface water.
Granite or sandstone setts laid on a full mortar bed with rigid joints are normally treated as impermeable paving. The natural porosity of individual stones does not make the entire driveway permeable.
For further guidance, see the Planning Portal guidance on paving front gardens.
How Much Does Block Paving Cost in the UK?
Block paving costs depend on the material, construction method, ground conditions, site access, drainage and laying pattern.
| Material | Relative Cost | Main Considerations |
|---|---|---|
| Concrete Blocks | Generally lowest | Standardised production and flexible installation |
| Clay Pavers | Usually above standard concrete | Fired clay manufacture and colour retention |
| Granite Setts | Higher initial material cost | Quarrying, cutting, finish and thickness |
| Sandstone Cobbles | Varies by colour and finish | Stone dimensions, processing and laying labour |
| Limestone Cobbles | Varies by product | Stone specification, thickness and processing |
| Basalt Setts | Specialist natural stone pricing | Stone source, finish and availability |
Standard professionally installed concrete block paving is commonly quoted around £80–£140/m², but this should be treated as an indicative range rather than a guaranteed national price.
Natural stone driveways often cost more to install because individual stones require additional positioning, bedding adjustment, cutting and jointing.
For current PSU supply prices, see:
How Much Extra Block Paving Should You Order?
Begin with the actual driveway measurements:
Length × Width = Area in m²
For a straightforward rectangular installation, approximately 5–10% extra material may be a reasonable starting allowance for cutting, breakages and spares.
Curved boundaries, diagonal patterns and irregular natural stone can require a greater allowance.
Natural stone crate coverage may be stated as net stone coverage, excluding joints. Check the pack quantity and calculate the required number of stones based on the proposed joint widths and laying pattern.
Does Block Paving Need Sealing?
Sealing is not compulsory for every driveway.
Dense granite setts are commonly left unsealed. Sandstone and limestone may benefit from a suitable penetrating sealer where additional stain resistance is required.
Concrete block paving may also be sealed to reduce staining or modify the surface appearance, but compatibility and jointing requirements must be considered.
Sealing cannot correct poor drainage, foundation settlement, loose blocks or failed joints. Any sealer should be tested on a small area before application.
How to Maintain a Block Paving Driveway
Routine maintenance depends on the paving material and jointing system.
- Sweep away soil, leaves and organic debris.
- Remove oil and fuel contamination promptly.
- Keep drainage channels clear.
- Inspect joints after pressure washing.
- Replace lost jointing sand in flexible concrete paving.
- Repair damaged mortar joints in rigid natural stone paving.
- Check for loose edges or local settlement.
- Avoid aggressive cleaning chemicals unsuitable for the stone.
Weeds often grow in organic matter that collects in joints rather than directly through the paving foundation. Sound jointing and regular cleaning can reduce weed growth.
Common Block Paving Problems
Why Does Block Paving Sink?
Settlement usually results from inadequate sub-base preparation, weak ground, poor compaction, water movement or repeated loading. The correct repair generally involves lifting the affected paving and correcting the failed bedding or foundation.
Why Do Paving Joints Wash Out?
Joint loss can result from excessive pressure washing, unsuitable jointing materials, insufficient joint depth, surface movement or poor curing. The cause should be identified before replacing the jointing material.
Why Does Block Paving Turn White?
White deposits may result from efflorescence, mineral deposits, cleaning residue or sealer problems. Concrete and clay products can develop efflorescence during early weathering. The paving material should be identified before any chemical treatment is applied.
Why Are Driveway Edges Moving?
Moving or spreading edges usually indicate inadequate or failed edge restraints. The perimeter construction should be corrected before the movement spreads across the driveway.
Why Does Water Collect on Block Paving?
Standing water may result from insufficient falls, settlement, blocked drains or poorly positioned surrounding surfaces. Cleaning alone cannot correct a drainage design problem.
How Long Does Block Paving Last?
A properly constructed block paving driveway can remain serviceable for decades. Its service life depends on the paving material, foundation quality, drainage, traffic loading and maintenance.
Concrete blocks may remain structurally usable after some surface colour has faded. Clay pavers and natural stone generally retain their colour more consistently.
Granite setts have a long history of use in heavily trafficked streets and courtyards, but the correct thickness and construction are still essential for modern driveway applications.
Is Block Paving Slippery?
Slip resistance depends on the surface texture, drainage, contamination and maintenance.
Cropped and flamed granite normally provide a more textured surface than polished stone. However, algae, oil, ice or unsuitable sealers can make many paving materials slippery.
Walking comfort should also be considered. Very uneven cropped setts may be less convenient for wheelchairs, mobility aids and pushchairs than accurately sawn paving units.
Can Block Paving Support Vans and Electric Vehicles?
Yes, provided the driveway is designed for the actual loading.
Vehicle weight, axle loading, frequency of use, turning and braking forces all affect the pavement structure.
A driveway used regularly by heavy commercial vans may require a stronger sub-base and different paving specification from one used by ordinary domestic cars.
The complete construction should be assessed rather than relying only on the thickness or strength of the surface material.
Choosing the Right Block Paving for Your Driveway
Choose Concrete Blocks When:
Budget, consistent dimensions, installation speed and a standard permeable construction option are the main priorities.
Choose Clay Pavers When:
A traditional brick appearance, strong colour retention and consistent manufactured dimensions are preferred.
Choose Granite Setts When:
High durability, natural colour stability and resistance to wear are particularly important. Granite is also useful for matching driveway paving with stone kerbs, steps and borders.
Choose Sandstone Cobbles When:
Natural grey, green, buff or brown tones are required, particularly where the driveway needs to coordinate with existing Indian sandstone paving and traditional garden materials.
Choose Limestone Cobbles When:
The selected limestone has suitable technical properties and thickness for the intended application, and its colour and finish suit the surrounding property.
Explore Natural Stone Block Paving: Browse our Block Paving Stones Collection, including Granite Setts, Sandstone Cobbles and Limestone Cobbles.
For more specialist information, visit our Block Paving Advice Hub.
Frequently Asked Questions About Block Paving Driveways
Does block paving need a concrete base?
Standard flexible concrete block paving is normally laid on a compacted granular sub-base and sand laying course, not necessarily a concrete slab. Natural stone setts commonly use a full mortar bedding system over a suitably constructed foundation.
Which block paving pattern is strongest for driveways?
Herringbone patterns generally provide strong mechanical interlock in flexible concrete block paving. For rigid natural stone paving, bedding, jointing, edge restraints and overall construction also determine stability.
Can sandstone cobbles be used for driveways?
Yes. Approximately 50 mm thick sandstone cobbles can be suitable for normal domestic cars when correctly specified and laid. Standard thin sandstone patio slabs should not automatically be used for vehicle traffic.
Is natural stone block paving permeable?
Not automatically. Permeability depends on the complete construction, including joints, bedding, sub-base and drainage. Natural stone setts laid on a full mortar bed with rigid joints are normally treated as impermeable paving.
How deep should a block paving sub-base be?
Domestic driveways commonly use approximately 100–150 mm of compacted granular sub-base. However, the required depth depends on ground strength, vehicle loading, drainage and pavement design. Weak ground or heavier vehicles may require a stronger specification.
Why does block paving sink?
Settlement usually results from weak ground, inadequate sub-base depth, poor compaction, water movement or repeated heavy loading. The failed foundation should be corrected before the paving is relaid.
Can block paving be pressure washed?
Yes, with suitable pressure and cleaning equipment. Avoid directing a concentrated jet into the joints, as this can remove sand or damage mortar and resin-based jointing. Some paving may require joint repairs after cleaning.
How long before vehicles can use a newly paved driveway?
Flexible block paving may be ready after correct compaction and jointing, subject to the installation specification. Rigid natural stone paving requires sufficient mortar and joint curing. Follow the relevant bedding and jointing manufacturers' instructions before allowing vehicle access.
