Meeting Room The Park Plaza County Hall in London has six meeting and conference rooms which can be used for larger or smaller-scale gatherings, whether it is for a wedding, a boardroom style meeting or a conference. The facilities cover 250 square metres in total and are able to accommodate for around 100 guests at any one time. Wireless internet access, audiovisual items and breakout rooms are all available for your activity should you choose to include them in your package. The conference rooms takes their names from various parts of London and some can be put together to form larger facilities.