Ramsey's house tops the list of sales in the Land Registry records.It is understood that Real Madrid's Welsh star Gareth Bale was also interested in buying the property and had even drawn up plans for a huge extension.
The western section, from Paddington to Heathrow Airport and Reading in Berkshire, is due to open in December 2019, completing the new east–west route across London and providing a new high-frequency commuter and suburban passenger service.
The project was approved in 2007 and construction began in 2009 on the central section and connections to existing lines that will become part of the route.
But Bale bought another luxury pad in the Vale of Glamorgan for his trips home from Spain.
Ramsey's gated property is understood to have been sold to him by one of Wales' most successful businessmen, Alan Peterson.
The central section and a large portion of the line, between Paddington in central London and Abbey Wood in the south-east, are due to open in December 2018, when it will be named the Elizabeth line in honour of Queen Elizabeth II.
Part of the eastern section, between Liverpool Street and Shenfield in Essex, was transferred to a precursor service called Tf L Rail in 2015; this section will be connected to the core route through central London to Paddington from May 2019.These led to a specialist investigation by the Railway (London Plan) Committee, appointed in 1944 and reporting in 19.Although the idea was seen as imaginative, only a brief estimate of cost was given: £300 million.A feasibility study was recommended as a high priority so that the practicability and costs of the scheme could be determined.It was also suggested that the alignment of the tunnels should be safeguarded while a final decision was taken.The City route was shown as a new connection across the City of London linking the Great Northern Route with London Bridge.