Daniel,
Pinewood’s Underwater stage is Europe’s first studio-based, permanently filled, underwater filming stage. It is available for all types of surface and underwater filming.
Tank Dimensions 66ft x 33ft x 20ft deep (20m x 10m x 6m deep)
Tank Capacity 1,200,000 Litres
The water temperature is maintained at a comfortable working temperature of 30 degrees C (87 degrees F) which means that there is no need to spend time heating it.
http://www.pinewoodgroup.com/our-studios/uk/pinewood-studios/water-filming/underwater-stage
If you’d like to discuss dates please feel free to give me a call.
Kind regards,
Fraser Rigg
01753 656 156