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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
