ExCeL London's ICC complex leads with its 4,200-seat auditorium plus Maritime Suite handling 7,000 delegates across 37 rooms. The InterContinental O2's Arora Ballroom accommodates 3,100 theatre style in a single pillar-free space. For central options, QEII Centre delivers 32 rooms with the Churchill seating 700, while Central Hall Westminster's domed Great Hall hosts up to 1,950. Tobacco Dock offers 57 spaces across 16,000 sqm for those combining conferences with exhibitions. Each venue includes comprehensive breakout facilities and established production partnerships.
Park Plaza Westminster Bridge combines 1,000+ bedrooms with the Westminster Ballroom for 1,400 delegates, positioned between Waterloo and Westminster stations. The Hilton Metropole near Paddington offers 35 meeting rooms with twin ballrooms each seating 1,350, plus direct Heathrow Express access. ExCeL's ICC sits on the Elizabeth Line with London City Airport just 10 minutes away via DLR. For prestige events, the QEII Centre provides government-grade facilities with multilingual support systems. Transport connectivity proves crucial, with venues on the Elizabeth Line particularly popular for international conferences.
Day delegate rates start from £70+VAT at ethical venues like Friends House opposite Euston, climbing to £135+VAT at premium spaces. 30 Euston Square publishes DDRs from £80+VAT including their 300-seat auditorium access. IET Savoy Place charges £105+VAT for their lecture theatres with riverside views. The sweet spot sits around £95-£110+VAT for established conference centres like BMA House in Bloomsbury or Church House Westminster. Hotel venues typically bundle accommodation packages, with Novotel London West offering DDRs from £75+VAT for high-volume bookings.
Convene at 22 Bishopsgate includes dedicated hybrid studios within their 38,000 sq ft facility, supporting broadcasts from the 406-seat Bishopsgate Forum. King's Place near King's Cross equipped Hall One and Hall Two with broadcast-quality production for streaming 400-person conferences. IET Savoy Place specialises in technical broadcasts with their engineering-grade infrastructure. The QEII Centre's QEII Live platform handles complex multi-room hybrid events across their 32 spaces. RCP London and 1 Wimpole Street both maintain medical-grade streaming facilities for international scientific conferences.
Liverpool Street dominates City conference access with Convene 155 Bishopsgate just 2 minutes walk offering 600-seat capacity, while Convene 133 Houndsditch provides 700-seat facilities 6 minutes away. 30 Euston Square sits 1 minute from Euston Square tube with 41 bedrooms on-site. Friends House faces Euston station directly with their 1,000-seat Light auditorium. King's Place positions itself 5 minutes from King's Cross St Pancras, ideal for international rail connections. Westminster cluster includes QEII Centre, Central Hall and Church House all within 8 minutes of Westminster station.
Park Plaza Westminster Bridge leads with 1,023 bedrooms supporting conferences up to 1,400 in their ballroom, enabling seamless residential programmes. The Hilton Metropole provides 35 meeting rooms with extensive mezzanine suites perfect for multi-track events, backed by their room inventory. InterContinental O2 combines 453 bedrooms with the massive Arora Ballroom for congress-style events. 30 Euston Square offers a boutique option with 41 bedrooms integrated with their conference facilities. Novotel London West delivers value with 630 rooms and the Champagne Suite handling 2,000 delegates.
Central Hall Westminster's Great Hall seats 1,950 beneath its famous dome where the United Nations first met. Tobacco Dock transforms Grade I-listed warehouse vaults into 57 conference spaces retaining exposed brick and iron columns. The Brewery on Chiswell Street converted Victorian brewing halls into the Porter Tun room for 1,000 delegates. Church House Westminster's circular Assembly Hall sits under a 30-foot glass dome with integrated modern AV. One Great George Street occupies the Institution of Civil Engineers' Edwardian headquarters with the Telford Theatre seating 238.
Tobacco Dock's 16,000 sqm includes the Great Gallery for 1,500-person plenaries plus vast vault spaces for exhibitions. Business Design Centre combines their 700-seat Auditorium with the Gallery Hall and extensive exhibition floors. ExCeL ICC naturally integrates with ExCeL's main exhibition halls for massive trade events. 30 Euston Square pairs their 300-seat auditorium with 360 sqm of dedicated exhibition space. The Brewery's multiple interconnected rooms allow natural flow between conference sessions and exhibition areas across their historic spaces.
BMA House in Bloomsbury holds Gold Green Tourism status with their Great Hall seating 294, actively publishing seasonal sustainable menus. Friends House operates on 100% renewable energy with zero waste to landfill, offering their 1,000-seat Light auditorium. Business Design Centre achieved carbon neutral status while maintaining their 500-seat Auditorium and Gallery Hall. King's Place incorporates natural ventilation and energy recovery systems throughout their 400-seat Hall One. These venues typically offer transparent sustainability reporting and locally-sourced catering options.
Convene 22 Bishopsgate occupies London's tallest office tower with the 406-seat Bishopsgate Forum attracting major banks and investment firms. Convene 155 Bishopsgate provides 40,000 sq ft across two floors with the Broadgate Suite seating 600, positioned at Liverpool Street's financial heart. The Mermaid London offers the City's only 600-seat tiered auditorium with Thames-view River Rooms for executive gatherings. America Square Conference Centre overlooks the Roman Wall with facilities for 270, popular for regulatory training. These venues understand financial sector requirements including secure Wi-Fi, market data feeds and early morning setups.