Try Fineturf, tel 01400 251605.
They are based in Lincolnshire.
I hope you are well. I realise this was posted back in May so you may have already sourced a supplier, if not then we can help with this. If you would like us to quote you a price then please do not hesitate to contact us with your requirments either on 01241 829049 or by email firstname.lastname@example.org If you would like to discuss your requirments in more detail then my colleague Stephen would be happy to offer any advice or recommendations.