Sub Base & Hardcore

Sub Base & Hardcore Materials - Primary & Recycled

At Willis & Ainsworth we supply all types of Sub Base and Hardcore materials for any job. We have primary materials (Limestone, Granite) and recycled materials (crushed concrete 6F5, Type 1 Recycled).

Materials Available

Primary Materials

Limestone Based MaterialsGranite Based MaterialsMOT Type 1

Recycled Materials

Crushed Concrete (6F5)Type 1 RecycledMixed Hardcore

SUDS Compliant Materials

Sustainable Urban Drainage Systems (SUDS) materials conform to Marshalls, Formpave, AquaPave and AquaSlab guidelines.

MOT Type 3 (DOT Type 1 X)

Suggested base material for all new drives

2-6mm Limestone

For laying paving slabs

20-4mm Limestone

For paving slab installation

Applications

Foundations
Road Construction
New Driveways
Drainage Systems
Groundworks
Landscaping

Key Benefits

Primary & Recycled Options

Premium or cost-effective alternatives

SUDS Compliance

Modern drainage solutions

Industry Standards

Marshalls, Formpave guidelines

Any Job Size

Materials for all project scales

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  • 0-4mm Dust

    0-4mm Limestone Dust (loose tipped)

    What is Limestone Dust? Limestone dust (0-4mm) is a fine aggregate by product from limestone crushing, consisting of particles from dust to 4mm. This versatile material compacts to form solid surfaces and acts as a binding agent. Loose tipped delivery...
  • 2-6mm Chippings

    2-6mm Limestone Chippings (loose tipped)

      2-6mm Limestone chippings are used in SUDS (Sustainable Urban Drainage System). This is used as a substitute for sharp sand due to its free draining ability. It is also known as priora and aquaflow chippings and is one of the suggested laying...
  • 4-20mm Chippings

    4-20mm Limestone Chippings (loose tipped)

      20mm limestone Chippings are used in SUDS (Sustainable Urban Drainage Solution). This can be used as a crunch layer underneath the 2-6mm Limestone Chippings when laying a permeable paving or needing to conform to SUDS. Also known as Priora...
  • 40mm Recycled Shingle

    40mm Recycled Shingle (loose tipped)

    What is 40mm Recycled Shingle? 20mm recycled shingle provides sustainable aggregate option for construction projects. Processed from reclaimed materials, this environmentally responsible choice maintains quality while reducing primary resource...
  • Scalpings 40mm Scalpings (6N Fill) (Loose Tipped)
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    40mm Scalpings (6N Fill) (Loose Tipped)

    What are 40mm Scalpings? 40mm Scalpings also known as 6N Fill consist of crushed stone from 40mm down to dust, creating economical fill material. Unlike Type 1, this material has uncontrolled fines content. Loose tipped delivery provides budget option...
    Delivered from £241.60. (Inc. Tax)
    Delivered from £201.33 (Ex. Tax)
    Bulk Pricing:

    Buy more Tonnes / M³ in one delivery for the following bulk rates

    • Have a delivery between 4 - 4 and pay £60.40 per (tonne / M³) (inc. VAT)
    • Have a delivery between 5 - 7 and pay £53.05 per (tonne / M³) (inc. VAT)
    • Have a delivery between 8 - 10 and pay £44.60 per (tonne / M³) (inc. VAT)
    • Have a delivery between 11 and pay £41.55 per (tonne / M³) (inc. VAT)
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  • 63-10mm Chippings

    63-10mm Limestone Chippings (loose tipped)

    What is 63-10mm Limestone Chippings? This mixed grade limestone contains various sizes from 10mm to 63mm, creating varied texture for specific applications such as SUDS performing sub bases or specialist paving solutions although we specify Limestone...
  • 6F5 Recycled Crushed Concrete

    6F5 Recycled Crushed Concrete (loose tipped)

    6F5 recycled is a 80mm-0mm crush and run recycled material consisting of bricks, concrete and occasionally asphalt. 6F5 recycled is used for sub bases, temporary haul roads or building up levels. It can sometimes be referred to as 6F2 although this is...
  • 80-40mm Crushed No Fines Willis & Ainsworth Ltd

    80-40mm Crushed No Fines (loose tipped)

    What is Crushed No Fines? Crushed no fines is a single-sized aggregate without smaller particles or dust, creating an open-textured, free-draining material. This 40-80mm crushed stone provides structural support while allowing maximum water permeability...
  • MOT Type 3
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    MOT Type 3 (Loose Tipped)

    Type 3 Limestone Permeable Sub-base - SUDS Compliant Aggregate What is Type 3 Sub-base? Type 3 sub-base is an engineered crushed granite or limestone aggregate specifically designed for permeable paving systems and SUDS (Sustainable Urban Drainage...
    Delivered from £130.70. (Inc. Tax)
    Delivered from £108.92 (Ex. Tax)
    Bulk Pricing:

    Buy more Tonnes / M³ in one delivery for the following bulk rates

    • Have a delivery between 2 - 3 and pay £77.40 per (tonne / M³) (inc. VAT)
    • Have a delivery between 4 - 4 and pay £63.05 per (tonne / M³) (inc. VAT)
    • Have a delivery between 5 - 7 and pay £58.30 per (tonne / M³) (inc. VAT)
    • Have a delivery between 8 - 10 and pay £49.90 per (tonne / M³) (inc. VAT)
    • Have a delivery between 11 and pay £46.80 per (tonne / M³) (inc. VAT)
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  • Railway Track Ballast

    Rail (Track) Ballast (loose tipped)

    What is Rail Ballast? Track Ballast is specifically graded granite (sometimes limestone or other materials) meeting railway industry standards for track support. This angular, durable material provides critical drainage and load distribution for rail...
  • MOT Type 1 Type 1 MOT / DOT or Willis and Aisnworth
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    Type 1 MOT (Loose Tipped)

    What is MOT Type 1? MOT Type 1 sub-base is crushed limestone or granite meeting Ministry of Transport specification SHW 803. Graded 0/32mm or 0/40mm with controlled fines content for optimal load-bearing capacity. Essential for highways, driveways,...
    Delivered from £102.60. (Inc. Tax)
    Delivered from £85.50 (Ex. Tax)
    Bulk Pricing:

    Buy more Tonnes / M³ in one delivery for the following bulk rates

    • Have a delivery between 2 - 3 and pay £79.60 per (tonne / M³) (inc. VAT)
    • Have a delivery between 4 - 4 and pay £67.30 per (tonne / M³) (inc. VAT)
    • Have a delivery between 5 - 7 and pay £56.35 per (tonne / M³) (inc. VAT)
    • Have a delivery between 8 - 10 and pay £47.90 per (tonne / M³) (inc. VAT)
    • Have a delivery between 11 and pay £44.85 per (tonne / M³) (inc. VAT)
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  • Type 1 Recycled Hardcore

    Type 1 Recycled Hardcore (loose tipped)

    Type 1 Recycled is a mixture of 40mm crushed concrete including; concrete brick and tarmac. Type 1 Recycled sub base is one of the few tested recycled materials. It it tested in compliance for the Ministry of Transport specification clause SHW 803,...
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