It also plans to bar large-scale waste arising from do-it-yourself work, even where this originated in a private house.
The authority said that a survey of its 10 household waste recycling centres had found that 19% of visitors were commercial users, who deposited up to 30% of the waste collected.
Cabinet member for the environment, Jim Wade, said: “The county council has to pay 13 in tax for each tonne of rubbish taken to landfill sites from the centres.
“It seems unfair that almost a third of that waste comes from traders, and it’s not right that public money should be used to dispose of rubbish from private businesses”.
Large-scale DIY rubbish is not considered household waste, even if it has come from a householder working on his or her own home, the council warned.
Those arriving with more than half a tonne of DIY waste will be directed to other facilities where a charge is made.
Vans and commercial vehicles will be banned from the centres, and height barriers used.
The council said that taking in trade waste gave it a significant financial burden and raised legal questions with regard to licences.
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