BT is spending Â£14 million to enhance its data centre in its South London facility (within the M25). The data centre occupies 930 square metres and will launch in September this year. The new data centre will make use of biometric security measures particularly required by its financial services and government customers. In addition, BT also says that the building will meet industry standards of availability performance criteria as set by the Uptime Institute. BT sees growth of 20 per cent per annum in the data centre services market. The company has first choice on a similar site in the same M25 perimeter to expand at a later date.