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In the bustling heart of Westminster, nestled among the historic grandeur, towering offices and relentless pace, lies a hidden gem: Mary Sumner House – a Grade-II listed venue where history meets purpose and your meeting room booking becomes a catalyst for global change.
Mary Sumner House offers a variety of 8 meeting rooms and Conference Hall, ranging in size from 6 in a Boardroom Layout to 120 in a Theatre-style Layout, suited to a wide array of events.
Mary Sumner House offers not just an affordable, high-quality venue and flexible catering options, but also a meaningful connection to social change, as the revenue generated helps support the ongoing work of Mothers’ Union, an international charity committed to empowering women and fighting poverty, violence and injustice.
| Boardroom | Cabaret | Classroom | Classroom with back projection | Dinner | Dinner Dance | Exhibition | Reception | Theatre | Theatre with Back Projection | U-shape | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4th Floor Meeting Room | - | - | - | - | - | - | - | - | 10 | - | - |
| Conference Hall | 48 | 60 | - | - | - | - | - | 80 | 120 | - | 40 |
| Malala Room | 6 | - | - | - | - | - | - | - | - | - | - |
| Mary Slessor Room | 12 | - | - | - | - | - | - | - | 15 | - | 10 |
| Mary Sumner Room | 24 | 16 | - | - | - | - | - | - | 36 | - | 20 |
| Maya Angelou Room | 16 | 12 | - | - | - | - | - | - | 25 | - | 12 |
| Queen Elizabeth II Room | 16 | - | - | - | - | - | - | - | - | - | - |
| Rosa Parks Room | 24 | 16 | - | - | - | - | - | - | 36 | - | 20 |
| Sarojini Naidu Room | 14 | - | - | - | - | - | - | - | 25 | - | - |
| Wangari Maathai Room | 20 | 12 | - | - | - | - | - | - | 30 | - | 16 |
24
Tufton Street
London
Greater London
SW1P 3RB
