In the bustling heart of Westminster, nestled among historic grandeur and towering offices, lies a hidden gem: Mary Sumner House. This Grade-II listed venue seamlessly blends history with purpose, transforming your meeting room booking into a catalyst for global change.

Mary Sumner House offers eight versatile meeting rooms and a Conference Hall to accommodate gatherings of all sizes. From intimate boardroom sessions for six people to theater-style events hosting up to 120 attendees, the venue provides flexible spaces suitable for a wide array of functions. Each room combines historical character with modern amenities, ensuring both inspiration and functionality for your delegates, making for a unforgettable stay at Mary Sumner House.

The building's rich heritage creates a distinctive atmosphere that standard corporate venues simply cannot match. Ornate architectural details, elegant high ceilings, and abundant natural light create an environment that elevates ordinary meetings into memorable experiences.

What truly sets this venue apart is its meaningful connection to social impact. Every booking generates revenue that directly supports Mothers' Union, an international charity dedicated to empowering women and combating poverty, violence, and injustice worldwide. Your choice of venue becomes an extension of your organization's values and commitment to social responsibility.

Located in the prestigious Westminster district, Mary Sumner House offers excellent accessibility while providing a peaceful retreat from London's relentless pace. The central location ensures convenience for attendees while the venue's ambiance creates a productive environment away from everyday distractions.

It's simple to reach Mary Sumner House, whether you're travelling from London or the other side of the country. We are served by a wide selection of bus routes, train stations, and Underground lines that make getting to us a breeze.

We are also wheelchair accessible throughout the venue.

By choosing Mary Sumner House, you're not simply securing an affordable, high-quality venue in a prime London location—you're contributing to positive social change with every meeting you host. Experience the rare combination of historic elegance, modern functionality, and purposeful impact at this Westminster treasure.

Mary Sumner House is just one of many great venues available to hire in London. Our team of free venue finding experts are on hand to create the perfect shortlist of venues in London for your next event.

Please complete our quick enquiry form with your specific dates, budget and ideal location and we will use our experience and venue relationships to save you both time and money.

Alternatively, please send us a quick e mail or call out team now on 0207 870 9305 to discuss Mary Sumner House and other suitable venues for your next event.