London Meeting & Event Space | Four Seasons Ten Trinity Square

Within steps of the Tower of London, Tower Bridge and the River Thames, Four Seasons is a premier destination for London conferences and events. Choose from distinct venues, from the beautifully restored UN Ballroom to the contemporary Thames Penthouse. Complement meetings and gatherings with exclusive access to London’s major attractions, then retreat to our elegant, spacious accommodation.

Total Accommodations
134
Total Event Space
1,491 m2 (16,043 sq. ft.)
Maximum Number for Meetings & Events
150

Find a Venue

Size (m2)

Banquet

Conference/Boardroom

Reception

SEVENTH FLOOR

The Thames Penthouse

613 m2
Banquet	-
Conference/Boardroom	20
Reception	120

613

120

The City Penthouse

283 m2
Banquet	-
Conference/Boardroom	14
Reception	40

283

SECOND FLOOR

UN Ballroom

203 m2
Banquet	150
Conference/Boardroom	48
Reception	250

203

150

250

Merchants Hall

138 m2
Banquet	90
Conference/Boardroom	25
Reception	100

138

100

UN Reception

96 m2
Banquet	-
Conference/Boardroom	-
Reception	50

FIRST FLOOR

Ariel

25 m2
Banquet	-
Conference/Boardroom	8
Reception	-

Serica I

18 m2
Banquet	-
Conference/Boardroom	8
Reception	-

Serica

36 m2
Banquet	-
Conference/Boardroom	16
Reception	-

Serica II

18 m2
Banquet	-
Conference/Boardroom	8
Reception	-

Challenger

25 m2
Banquet	-
Conference/Boardroom	8
Reception	-

The Gallery

72 m2
Banquet	-
Conference/Boardroom	-
Reception	50

See All + See Less -

Virtual Tours

Take a closer look at our event spaces.

UN Ballroom and Merchants Hall 1st Floor Meeting Rooms and Gallery Thames Penthouse City Penthouse

Offers

Featured Group Offer

Balance business with self-care with our group offer, which includes a bespoke welcome reception, complimentary room nights, enhancements to Spa treatments, and more, with rates from GBP 395.

details

special starting rate:

GBP 395

Valid for Selected Dates Between

Aug 1 2024 – May 31 2025
Aug 1 2025 – May 31 2026

included

Three accommodation upgrades to an Executive Room
Two complimentary room nights for the meeting planner or other VIP
Complimentary welcome reception in the Rotunda upon group arrival
One complimentary enhancement with a 60-minute treatment in the Spa (Mondays to Thursdays)

Talk to us today about this amazing offer +44 (0)20 3297 9200

Terms and Conditions:

Advance reservations required. Room types may be limited to particular dates and rates, black out dates may apply. Savings shown are based on best available rates for similar dates at time of publication. Rates vary by property according to dates and do not include taxes, unless stated otherwise. Bookings and rates are subject to availability, not valid on previously contracted bookings or in conjunction with any other offer or contract. Some conditions may apply. Package includes Internet in guest rooms. Property-specific terms and conditions: A 20% VAT and a 5% service charge will be applied to the room rate. This offer is available to groups occupying 20 or more guest rooms per night. A three-night minimum stay is required.