
Bulk Aggregates for Construction, Roadworks & Infrastructure
Premium Bulk Aggregates
Our bulk aggregates are produced to meet the demands of construction, civil engineering, and infrastructure projects where consistency and performance matter.
Sourced from our own quarries and trusted supply partners, our range includes sands, gravels, limestone, recycled materials, and specialist aggregates — all available in bulk volumes to suit site requirements, programme timelines, and technical specifications.

Building Sand
Fine-grained sand for bricklaying and blockwork, producing smooth, workable mortar.

Concrete Sand
Coarser sand blend for strong concrete mixes, suitable for foundations and footings.

Grit Sand
Coarse-textured sand ideal for laying slabs, block paving, and screeds.

Plastering Sand
Washed fine sand for plaster and render mixes, providing a smooth finish.

Blended Sand
Multi-purpose sand mix for mortar, rendering, and general construction.

10mm Gravel
Smaller grade gravel for drainage, pipe bedding, and concreting.

20mm Gravel
Versatile aggregate for driveways, concreting, and general landscaping use.

40mm Gravel
Coarse gravel ideal for drainage, driveways, and heavy-duty ground support.

Ballast (10mm / 20mm)
Pre-mixed sand and gravel for producing durable concrete in smaller pours.

Limestone (10mm / 20mm / 40mm)
Hardwearing crushed stone available in multiple sizes for construction and drainage.

MOT Type 1
A crushed aggregate mix of limestone and gravel, graded for strength and compaction. Ideal for sub-base use under roads, driveways, and paths.

Recycled 6F2
Eco-friendly alternative aggregates produced from crushed and screened recycled materials. Ideal for backfill and sub-base layers.
Bulk Aggregates Built for Every Sector
Our bulk aggregates are specified across a wide range of construction environments, each with different performance, compliance, and logistical demands. From large-scale infrastructure schemes to commercial and residential developments, we support projects with materials selected for their application, ground conditions, and programme requirements.
Road and Highway Construction
Aggregates specified for sub-base, drainage, and surfacing layers on highways, access roads, and transport infrastructure.
Commercial and Residential Projects
Reliable bulk supply for foundations, floor slabs, external works, and general construction.

Drainage and Utilities
Clean, graded materials suited to drainage systems, service trenches, and utility installations.
Infrastructure and Civil Engineering
Aggregates used in large-scale groundworks, earthworks, and engineered solutions where consistency and volume are critical.
Whatever the scale of your project, our bulk aggregates deliver the reliability and compliance you need to keep work on track.
Why Contractors Trust Thomas Armstrong Aggregates
Choosing the right aggregate supplier is about more than just price — it’s about reliability, compliance, and peace of mind. With decades of experience and a reputation built on service, Thomas Armstrong Aggregates delivers consistent quality and dependable logistics to keep your projects on schedule.
Certified Quality
All our aggregates are UKCA marked and ISO 9001:2015 certified, ensuring they meet strict performance and safety standards. Every load is tested and traceable, giving you complete confidence on site.
Reliable Supply
From housing developments to major infrastructure works, contractors depend on us for aggregates that are consistent, correctly graded, and delivered when they’re needed most.
Local Quarries
With operations at Overby and Cardewmires in Cumbria, we supply directly from trusted local sources. Shorter transport routes mean fresher materials, faster delivery, and reduced costs.
Sustainability Focused
We’re committed to responsible sourcing. From recycled aggregates to reduced haulage miles, our practices support lower carbon footprints without compromising performance.
Delivered When and Where You Need Them
Getting the right materials is only half the job — getting them delivered on time is what keeps projects moving. With a dedicated fleet and strategically located depots, Thomas Armstrong Aggregates provides a delivery service that’s as reliable as the products we supply.
With depots and terminals serving Cumbria, Northern England, and Southern Scotland, we coordinate deliveries to meet programme demands and site constraints.
Dedicated Fleet
Our modern fleet of tippers and bulk haulage vehicles is managed by an experienced logistics team, ensuring efficient and professional delivery every time.
Strategic Depots
With quarries in Cumbria and cement terminals at Workington and Sunderland, we’re positioned to supply projects quickly across Northern England and Southern Scotland.
On-Time, Every Time
We understand that delays cost money. That’s why we prioritise punctual deliveries, giving contractors the confidence to keep projects on schedule.

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