Conference Facilities in Central London Mary Sumner House 24 Tufton Street London, SW1P 3RB If you are looking for versatile conference facilities and a welcoming atmosphere, Mary Sumner House is an ideal choice for any business or social occasion. Mary Sumner House is a Grade II listed building situated in the heart of Westminster, London. There are three meeting rooms, all decorated to a high standard with air conditioning and offering flexible seating arrangements for business and social events. We offer a 25% discount to registered charities.
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