Conference & meeting rooms in Westminster

Nine spaces across four floors of a Grade II listed building in Westminster ranging from six-person meeting room to a 120-capacity conference hall with projection and PA. Rooms are equipped, priced clearly, and named after women whose work changed the world. Every booking supports the ongoing work of the Mothers’ Union.

Hire starts from £220 per session with no VAT on room hire and a tiered discount for registered charities.

Discover our Conference & meeting rooms

Explore our range of versatile meeting rooms available at Mary Sumner House.

Conference Hall

The Conference Hall is our largest space at Mary Sumner House, a versatile room that can be used for boardroom meetings of up to 48 guests. Hire of this lower-ground-floor space includes the use of a projector and screen, making it well-suited to presenting.

Capacities

Theatre: 120

Boardroom: 48

Cabaret: 60

Mary Sumner Room

With beautiful, original stained-glass windows and glass chandeliers, the Mary Sumner Room is ideal for hosting Senior Leadership Team meetings, stakeholder engagement meetings, board meetings, interviews, and AGMs. This period room can host up to 24 guests in a boardroom layout and includes the use of a display screen.

Capacities

Theatre: 36

Boardroom: 24

Sarojini Naidu Room

Equipped with a display screen and offering plenty of natural lighting, the Sarojini Naidu Room is well-suited to hosting training sessions, workshops, and intimate meetings. This space can accommodate up to 14 guests in a boardroom layout and works well alongside the Mary Sumner Room as a breakout space.

Capacities

Theatre: 25

Boardroom: 14

Malala Room

Our smallest meeting room is the Malala Room, seating a maximum of 6 guests in a boardroom setting. This intimate space is perfect for private meetings and training sessions, or as a breakout room used alongside one of our other spaces.

Capacities

Boardroom: 6

Rosa Parks Room

The Rosa Parks Room is a modern meeting space equipped with a display screen and large windows flooding the room with natural daylight. Best suited to senior management meetings, stakeholder engagements, board meetings and AGMs, the Rosa Parks Room can host up to 24 people in a boardroom layout.

Capacities

Theatre: 36

Boardroom: 24

Wangari Maathai Room

Meet the Wangari Maathai Room, a modern meeting room equipped with a display screen and large windows offering plenty of natural light. This space is well-suited to smaller board meetings, briefings, and strategy sessions of up to 20 people in a boardroom layout.

Capacities

Theatre: 30

Boardroom: 20

Maya Angelou Room

The Maya Angelou Room is located on our second floor and is ideal for hosting senior leadership away days, smaller board meetings, workshops, and planning sessions. This space can host up to 16 people in a boardroom layout, and hire of the Maya Angelou Room includes the use of a display screen.

Capacities

Theatre: 25

Boardroom: 16

Queen Elizabeth II Room

With original features including a glass chandelier, a feature fireplace, and a dedicated boardroom table, the Queen Elizabeth II Room is perfect for interviews, training or planning sessions. This period meeting room can accommodate a maximum of 16 people in a boardroom setup and includes the use of a display screen.

Capacities

Boardroom: 16

Mary Slessor Room

Accommodating a maximum of 12 people in a boardroom layout, the Mary Slessor Room is best suited for hosting training sessions, workshops, and interviews. Hire of this second-floor space also includes the use of a display screen, making it ideal for presentations.

Capacities

Theatre: 15

Boardroom: 12

Virtual tour

FAQs at Mary Sumner House

How much does room hire cost?

Room hire starts from £220 per session (half day) for the Malala Room, up to £1,317 for a full day in the Conference Hall. No VAT is charged on room hire. You can find a specific rate for each space on its individual page, or request a quote for your event.

Yes. Mary Sumner House offers a tiered charitable discount for registered UK charities. Include your charity number when you enquire, and we’ll confirm the applicable rate.

Rooms come with a wall-mounted display screen, flexible seating arrangements, and on-the-day support from the venue. The Conference Hall includes a projector, screen, PA system, lectern and lectern microphone. Additional AV packages are available if needed.

For meetings on the first and second floors, we offer unlimited tea, coffee, biscuits, and water at £6 per person. Complimentary water is provided where no refreshments have been ordered.

For the first and second-floor meeting rooms, external caterers are to be used for catering/lunches. For the Conference Hall, external caterers are to be used for refreshments and catering. We can also recommend suppliers from our trusted network.

Mary Sumner House offers assisted wheelchair access (Access Category 2) and access for delegates with mobility issues (Access Category 3).

Mary Sumner House has ramp access at street level and a lift serving the lower ground, ground, first, and second floors. A stairlift provides wheelchair access to the Conference Hall on the lower ground floor. Accessible toilets are located on the second and fourth floors. If you have specific access requirements, get in touch, and we’ll talk you through them.

24 Tufton Street, Westminster, SW1P 3RB. We are a short walk from St James’s Park, Westminster, and Victoria underground stations, and well connected via Victoria, Waterloo, and Charing Cross mainline rail.

Yes, and we’d love you to. A visit gives you the chance to see the space, check the layout works for your event, and talk through your requirements with the team. Make an enquiry to arrange a time.

Ready to take the next step?

If you know what you need, make an enquiry, and we’ll confirm availability and pricing. If you’d like to see the building first, arrange a visit. We can then talk you through the spaces and your requirements in person.

Mary Sumner House
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