| Meeting room name | L x W x H (Metres)
 | Size (sqm)
 | Event 5'/6
 
  | Crescent 
  | Classroom 
  | Hollow Square
 
  | U-shape 
  | Boardroom 
  | Convention 8'/10'
 
  | Theatre 
  | Reception 
  | Regist. desk
 
  | 
| Lancaster III Lancaster III | 11 x 7 x 2 | 90 | --/-- | -- | 63 | -- | 21 | 36 | --/-- | 96 | 50 | -- | 
|  Close this Lancaster IIIRoom type: General Meeting Room Total size:  90 Sq. km Dimensions:  11 x 7 x 2 M Floor level: Is there natural light? No Are there obstructions? No Are there built in screens? No Is there a built in stage? No Is there built in A/V? No | 
| Lancaster I Lancaster I | 6 x 7 x 2 | 50 | --/-- | -- | 27 | -- | 21 | 24 | --/-- | 48 | 40 | -- | 
|  Close this Lancaster IRoom type: General Meeting Room Total size:  50 Sq. km Dimensions:  6 x 7 x 2 M Floor level: Is there natural light? No Are there obstructions? No Are there built in screens? No Is there a built in stage? No Is there built in A/V? No | 
| Lancaster II Lancaster II | 7 x 8 x 2 | 60 | --/-- | -- | 36 | -- | 24 | 24 | --/-- | 60 | 50 | -- | 
|  Close this Lancaster IIRoom type: General Meeting Room Total size:  60 Sq. km Dimensions:  7 x 8 x 2 M Floor level: Is there natural light? No Are there obstructions? No Are there built in screens? No Is there a built in stage? No Is there built in A/V? No | 
| Siam Ballroom Siam Ballroom | 20 x 10 x 6 | 210 | --/-- | -- | -- | -- | -- | -- | --/-- | 240 | 144 | -- | 
|  Close this Siam BallroomRoom type: General Meeting Room Total size:  210 Sq. km Dimensions:  20 x 10 x 6 M Floor level: Is there natural light? No Are there obstructions? No Are there built in screens? No Is there a built in stage? No Is there built in A/V? No |