Get an instant quote to unlock offerExclusive offer available at this venue
Up to 80standing
Up to 40seated
Baker Streetnearest station
Drinks Receptionbest for
About this space
Two elegant floors with stylish bar terrace
Iconic marble communal table
Private Larder room with dedicated waiting team
Private bar facilities
A/V equipment available upon request
Modern Greek cuisine with premium ingredients
Contemporary decor with wooden panels and chic furnishings
Music and decoration options available
OPSO offers a perfect setting for a corporate lunch or dinner, seamlessly blending modern Greek cuisine with a sophisticated atmosphere. Located in the heart of Marylebone, this elegant venue features two stylish floors, a chic bar terrace, and a stunning marble communal table, making it ideal for both intimate gatherings and larger events. With contemporary decor and a dedicated in-house event team, OPSO ensures a tailored experience for every occasion.
Features
Wifi
A/V equipment upon request
Contemporary dining
Modern decor
Food & Drink
Professional Kitchen
Halal Catering
Kosher Catering
Space
Storage Space
Outdoor Space
186m² (2,000ft²)
Ceiling Height 4m (12ft)
Licenses
Licensed Until 11pm
TENs Available
Capacities
40Dining
80Standing
21U-Shaped
Guide prices
Indicative pricing based on standard rates. Request an instant quote for your exact brief.
What are the capacity limits and minimum spend requirements for private dining events?
The Larder room (lower ground floor) accommodates up to 44 guests for seated dining and up to 80 guests for standing receptions. The minimum spend is £4,000 including VAT for most events, though some quotes show £4,800 minimum spend depending on the date. A £2,000 deposit is required to confirm your reservation, which is refunded after the event.
What's included with the private dining space rental?
The Larder room comes with exclusive use of the space, a dedicated waiting team, a private bar, and the option to play music and add decorations of your choice. The minimum spend covers food and beverage, but a discretionary 15% service charge applies on top of the minimum spend and does not count toward meeting the minimum requirement.
Can I book both the Main Dining Room and Larder Room for larger events?
Yes, OPSO offers exclusive hire of the whole venue for larger events. This allows your party to start with drinks and nibbles on the ground floor and continue with either seated dinner or standing reception utilizing both floors. The minimum spend for whole venue hire is £10,000.
What are the booking and payment requirements?
A £2,000 deposit is required to confirm your reservation, which will be refunded following the event. The venue offers site visits to discuss event details before booking. Payment terms and final payment schedules should be confirmed directly with the venue.
What catering options and special services are available?
OPSO offers modern Greek cuisine with sample menu options detailed in their Event Brochure. Their Pastry Chef can prepare custom Valrhona mousse cakes at £50 per kilo. The venue can accommodate various dining styles from seated dinners to standing receptions with passed canapés.
What are the timing restrictions and operating hours for private events?
Events can run until late evening, with some quotes showing availability until 23:59 or later. The venue appears flexible on timing, accommodating both afternoon events (starting at 16:00) and evening events. Specific closing times and late-night availability should be confirmed based on your event date.
What audio-visual equipment and decoration options are available?
The venue allows you to play music and add decorations of your choice in the private spaces. A/V equipment is available upon request. The space can accommodate screens for presentations or brand videos, though specific equipment details and costs should be confirmed with the venue.
Are there any restrictions on outside vendors or special requirements?
The venue appears to allow outside decorations and has accommodated requests for custom signage, product displays, and mobile photobooths in previous events. They can provide recommendations for floral vendors and other suppliers. Specific vendor approval processes and any restrictions should be confirmed during the planning process.
How does pricing vary by day and time of the event?
Minimum spend requirements are categorized by day and time, with details provided in their Event Brochure. Weekend events may have different minimum spends than weekday events. Saturday events show a £5,000 minimum spend in some cases, while other dates show £4,000-£4,800 minimums.
What is the cancellation and refund policy?
The £2,000 deposit is refunded following the event, indicating it serves as a security deposit rather than a non-refundable booking fee. Specific cancellation terms, refund policies, and timeline requirements for changes should be confirmed directly with the venue when booking.
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