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Luxury 4-star hotel in prestigious Mayfair with flexible meeting spaces and event facilities.
The Millennium Hotel London Mayfair is an elegant 4-star property situated on historic Grosvenor Square in the heart of Mayfair. This sophisticated hotel offers 336 guest rooms and suites alongside versatile meeting and event spaces that can accommodate up to 450 delegates. The venue features modern conference facilities with state-of-the-art AV equipment, multiple meeting rooms of varying sizes, and elegant spaces for corporate events, conferences, and social gatherings. Located in one of London's most prestigious neighborhoods, the hotel provides easy access to Oxford Street shopping, Hyde Park, and major business districts. The property combines classic British hospitality with contemporary amenities, making it an ideal choice for both business and leisure events in central London.
This venue will soon include AI-enhanced arrival information, travel insights and attendee feedback via Smart Event Journeys™, powered by Jigsaw Conferences.
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Indicative budget only — based on a typical day-delegate event (225 guests at £45–£85 per head). Final pricing depends on date, F&B, AV, accommodation and rate negotiation. Submit a brief for a tailored quote.
| Room Name | Area (m²) | Theatre | Boardroom | U-Shape | Classroom | Details |
|---|---|---|---|---|---|---|
Millennium Suite | 200 | 300 | 50 | 80 | 150 | |
Grosvenor Suite | 120 | 120 | 30 | 40 | 60 | |
Mayfair Boardroom | 45 | 40 | 16 | 20 | 24 |
3 meeting rooms available • Total capacity: up to 300 people
Professional Hotel space
Full catering service available
Bond Street Underground (Central/Jubilee lines) 3 minutes walk; Oxford Circus Station 8 minutes walk; Marble Arch Station 10 minutes walk; Multiple bus routes on Oxford Street; Heathrow Airport 45 minutes via Heathrow Express to Paddington then Tube
✓ On-site parking available
Valet parking available on-site. Additional parking at nearby NCP car parks on Grosvenor Square and surrounding streets.
14 days minimum notice
44 Grosvenor Square
W1K 2HP, United Kingdom
44 Grosvenor Square, London, W1K 2HP









A: Up to 450 guests for receptions, 300 for seated dinners, 250 for theatre-style conferences
A: Full professional AV setup including LED screens, wireless presentation systems, and dedicated technical support
A: Award-winning in-house catering with international cuisine options, dietary requirements accommodated
A: Valet parking available, nearby NCP car parks, limited street parking in Mayfair area
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