The Growing Relevance of Recycled Aggregates
Recycled aggregates, derived from construction and demolition waste, sit at the heart of the UK’s circular economy ambitions. The MPA’s Profile of the UK Mineral Products Industry 2025 highlights that the UK already produces around 70 million tonnes of recycled and secondary aggregates annually. This represents nearly 30 percent of total aggregate supply. Yet demand continues to rise, driven by infrastructure investment, urban redevelopment, and increasingly stringent carbon reporting requirements.
Additional reports reinforce this trajectory. The Construction Products Association’s State of Trade surveys note that contractors are actively seeking lower‑carbon alternatives within their material portfolios, while Defra’s resources and waste strategy consultations emphasise the need to reduce reliance on quarried materials. Together, they paint a clear picture: recycled products are no longer optional extras but central components of a resilient materials supply chain.
Builders’ Merchants sit at a critical junction in the supply chain. As contractors and developers look to reduce embodied carbon, merchants are increasingly expected to stock sustainable, quality‑assured alternatives. Recycled aggregates fulfil that need, offering a practical route to resource efficiency and compliance with evolving procurement standards.
Why Starting with Blended Products Can Build Confidence
One effective route for merchants and their customers to begin increasing recycled content is through blended primary–recycled products. These allow customers to transition while maintaining the same assurances of performance.
Blended aggregates offer several benefits:
- Consistency: Combining high‑quality recycled material with certified primary aggregates provides predictable grading and performance.
- Ease of adoption: For customers hesitant about switching fully to recycled materials, blends provide a low‑risk introduction.
- Standards compliance: When manufactured correctly, blended aggregates meet all relevant product standards and specifications, ensuring structural suitability and compatibility.
- Scalability: Blends allow merchants to introduce recycled content incrementally while supporting long‑term market development.
Importantly, blended products adhere to recognised standards such as BS EN aggregate classifications and specifications such as the SHW 803 / CC 201. Customers can adopt them without altering design specifications, which removes a major barrier to change.
