Meeting rooms near Great Portland Street
Meeting rooms
22 Duchess Mews 3 min, 44 Hallam Street 4 min from Great Portland Street.
Meeting rooms near Great Portland Street
Great Portland Street is the closest station to both our West End venues: 22 Duchess Mews is three minutes' walk and 44 Hallam Street four. Together they give you twelve rooms, from a classroom of 20 in the Harley Suite to a tiered auditorium for 250.
Our venues near Great Portland Street at a glance
| Venue | Address | Walk from Great Portland Street | Room sizes (theatre) |
|---|---|---|---|
| Cavendish Conference Centre, 22 Duchess Mews | 22 Duchess Mews, W1G 9DT | 3 min | 30–250 |
| Hallam Conference Centre, 44 Hallam Street | 44 Hallam Street, W1W 6JJ | 4 min | 50–250 |
Cavendish Conference Centre, 22 Duchess Mews — 3 min from Great Portland Street
Cavendish Conference Centre is built around a tiered 250-seat auditorium, with the Whittington Suite (298 m²) for 200 seated alongside. For meetings, the Portland Suite sits under a vaulted ceiling and an arched window and takes a boardroom or classroom of 25, and the Harley Suite takes 20 classroom-style. It is a quiet mews building, which suits board meetings, interview panels and away-days that need to stay private.
| Room | Theatre | Cabaret | Classroom | Boardroom | U-shape |
|---|---|---|---|---|---|
| Auditorium (tiered) | 250 | — | — | — | — |
| Whittington Suite | 200 | — | — | — | — |
| Portland Suite | 60 | 30 | 25 | 25 | — |
| Harley Suite | 30 | 18 | 20 | — | — |
Floorplans, photographs and the full capacity table: 22 Duchess Mews venue page.
Hallam Conference Centre, 44 Hallam Street — 4 min from Great Portland Street
Hallam Conference Centre is a Grade II listed building, purpose-built by the General Medical Council for its conferences and tribunals and converted by Cavendish Venues for events use in 2009. Eight rooms across four floors run from the Baker and Euston Suites, each a boardroom of 30, to the Council Chamber for 250 theatre-style, and the building has generous natural light throughout. For a day of interviews, workshops or parallel sessions you can hold several rooms on one booking.
| Room | Theatre | Cabaret | Classroom | Boardroom | U-shape |
|---|---|---|---|---|---|
| Council Chamber | 250 | 135 | — | — | — |
| Regent Suite | 100 | — | 30 | — | — |
| Oxford Suite | 100 | 55 | 55 | — | 40 |
| Wigmore Suite | 90 | 50 | — | — | 25 |
| Warren Suite | 80 | 35 | 35 | — | 30 |
| Baker Suite | 50 | 25 | 25 | 30 | — |
| Euston Suite | 50 | 25 | 25 | 30 | 25 |
| Russell Suite | 50 | 25 | 25 | — | 20 |
Floorplans, photographs and the full capacity table: 44 Hallam Street venue page.
Getting there from Great Portland Street
- 22 Duchess Mews: Leave onto Marylebone Road, cross to Great Portland Street itself, walk south past the shops and turn left into Duchess Street; Duchess Mews is the cobbled turn-off on the left — three minutes.
- 44 Hallam Street: For 44 Hallam Street, continue one street further south — four minutes from the station in total.
For a side-by-side of both buildings, see our West End venues page.
Catering, technology and support
Catering is in-house, by Mayfair Catering: arrival coffee, working lunches, all-day refreshments and dinners, with vegan, vegetarian, gluten-free, dairy-free, halal and kosher menus available, and canapés for an evening reception from our sister company City Canapé Company. Our in-house technical team runs presentation, video-conferencing and hybrid set-ups. In our post-event survey 97% of clients rated their overall event 8 or more out of 10, and 96% said they would book again. Cavendish Venues is a Certified B Corporation, and took Gold for Best Venue Customer Service and Silver in the Sustainability Award for Venues at the Conference Awards 2026.
Frequently asked questions
How far is 22 Duchess Mews from Great Portland Street?
Leave onto Marylebone Road, cross to Great Portland Street itself, walk south past the shops and turn left into Duchess Street; Duchess Mews is the cobbled turn-off on the left — three minutes.
What is the largest room near Great Portland Street?
Each building has a room for 250 theatre-style: the tiered auditorium at 22 Duchess Mews and the Council Chamber at 44 Hallam Street.
Can I book several rooms for one event?
Yes. You can hold a main room and breakout rooms in the same building on one booking, and our team coordinates catering and AV across them.
Is catering included?
Our day delegate rate includes catering by Mayfair Catering, our in-house team. Ask for the DDR when you enquire, and for the charity or academic rate if it applies.
Do you support video-conferencing and hybrid meetings?
Yes. Our in-house technical team runs presentation, video-conferencing and hybrid set-ups, so remote attendees see and hear the same meeting as the room.
Enquire
Tell us the date, the numbers and the shape of the day and we will come back with a proposal the same working day. Call 020 7706 7700 or use the enquiry form, and ask for a site visit if you are shortlisting.
Meeting rooms in London · Great Portland Street station guide






















