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Conference Rooms

Check out our incredible historic venue space in the heart of Westminster, London. Booking with us helps empower women and transform lives.

Enquire now

Click here to submit your enquiry

Alternatively, call us on: 
0207 222 5533

Choose Mary Sumner House, based in the heart of Westminster, London, to enjoy a versatile venue space, period-style meeting rooms in a historic setting, excellent customer service and the knowledge that you are empowering women and transforming their lives.

All profits from the hiring of our rooms goes towards our programmes which have supported communities worldwide for over 100 years.

Mary Sumner House offers affordable venue hire, with a selection of 8 beautiful rooms and a conference hall to choose from - we have something suitable for every occasion. Not only will you receive high-quality customer service and value for money; booking a room through us for your next meeting, workshop, training course or event goes towards the work of our charity. We also provide flexible catering options, giving you the freedom to bring in your preferred caterers.

Mary Sumner House 

Conference Hall
Conference Hall
Mary Sumner Room
Mary Sumner Room
Sarojini Naidu Room
Sarojini Naidu Room
Malala Room
Malala Room
Rosa Parks Room
Rosa Parks Room
Wangari Maathai Room
Wangari Maathai Room
Maya Angelou Room
Maya Angelou Room
Queen Elizabeth II Room
Queen Elizabeth II Room
Mary Slessor Room
Mary Slessor Room

We have been fortunate to use Mothers’ Union’s conference room facilities on a number of occasions. Amenities of this size, quality and cost are so very difficult to come by.

Getting Here

Mary Sumner House is in a prime central London location near Parliament Square and Westminster Abbey. There are excellent transport links and it is a short walk from Victoria, Westminster and St James' tube stations as well as Charing Cross, Waterloo and Victoria train stations. 


Disabled Access

Mary Sumner House offers assisted wheelchair access (Access Category 2) and access for delegates with mobility issues (Access Category 3) by way of the following:

  • Ramp from street level into the building
  • Lift* to access Lower Ground, Ground, 1st & 2nd Floors for meeting rooms and disabled access toilet on the 4th Floor
  • Stair lift for wheelchair users to access the Conference Hall in the Lower Ground
  • Disabled access toilet in the Ladies Toilets on the 2nd Floor
  • - Unisex disabled access toilet on the 4th Floor

*Lift Dimensions:  1.20m (W) x 85cm (D)
     Doorway is 75cm wide

Download our brochure

Click here to download our venue hire and equipment fees brochure. We also offer a selection of equipment in addition to our venue hire.


We offer excellent refreshment facilities. Contact us at to discuss your requirements.


Situated in the heart of Westminster, Mary Sumner House is ideally located between Westminster, St. James's Park, Victoria and Pimlico tube stations.

Click here for a map.