Ultra fast answer is: $250-a-square foot or will cost you just a fraction over $1-million dollars for the pool and the infrastructure to filter and heat it.
Here is a link to a PDF regarding pool size and pricing produced by the Aquatic Design Group, the builders of the pool above. Click on their portfolio, some of the pools therin are ultra-yummy: March 2005 - "Size Wise," Athletic Business Magazine
I think the UK should take note. They should realize that maintaining a LCM pool is never going to be about making money but rather providing a service to your citizens. However, a SCM pool on the other hand can be profitable almost at once for a pool that size takes up less than half the material and social resources to maintain. The only excuse the UK has for a lack of pools is the public will. Hence, you will see people flocking to the US for both coaching and infrastructure since only the USA and Australia seem to care.