Cookies on our website

The Natural Resources Wales website uses cookies. By continuing to browse the site you are agreeing to our use of cookies. For more details about cookies and how to manage them, see our cookie policy.

Construction and Demolition Waste Survey

Construction and Demolition waste generated in Wales 2012

Data was collected from 457 business sites of differing sectors and sizes throughout Wales between July 2013 and January 2014. The data was grossed up using population data to regional and national level in Wales.

Main findings

  • Welsh construction and demolition sectors generated an estimated 3.4 million tonnes of waste
  • The Civil Engineering (47%) and Construction (41%) sectors generated the majority of this waste, with a smaller proportion generated by the General Building (7%) and Demolition (4%) sectors
  • The preparation for re-use, recycling and other material recovery rate for the Construction & Demolition waste generated in Wales was 87% in 2012

Type of waste

The most significant type of C&D waste generated was soil, 46 per cent, followed by aggregate, 37 per cent, mixed general site waste, 10 per cent and wood waste, 3 per cent.

Management of waste

In relation to how these wastes were managed:

  • 1.5 million tonnes, 44 per cent, was prepared for re-use
  • 1.1 million tonnes, 31 per cent, was recycled
  • 639 thousand tonnes, 19 per cent, was disposed via landfill
  • 130 thousand tonnes, 4 per cent, was sent for backfilling

Hazardous waste

An estimated 38 thousand tonnes of hazardous waste was generated by construction and demolition in 2012 out of a total waste generation of 3.4 million tonnes (1%). The main hazardous waste types generated were contaminated soils (41%), bituminous mixtures (34%), asbestos waste (9%) and chemical solvents (7%).

Is there anything wrong with this page? Give us your feedback.