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Hedsor House is just brilliant if you are looking for a great conference venue set in an exclusive, private 100-acre estate. It sits high above the River Thames and is also quite close to Heathrow and London, making it ideal for many businesses. The location is great for small team meetings right up to larger team building events,as well as an exclusive-use conference venue. Hedsor House is in Buckinghamshire and is an unforgettable place to meet, entertain or just relax and escape..