That's right, "boost". Counter-intuitive, but here's the (possibly flawed) reasoning:

Real estate experts at Jones Lang LaSalle claim expansion is excellent news for the property market in the Western Corridor as it signals its willingness to back a major infrastructure project in west London. Maninder Grewal, manager of Landmark property services in Parklands Parade, Hounslow, agreed and told the Chronicle: "Now expansion has been given the go ahead, it is sure to increase house prices in the area. It will bring more business and more jobs, meaning a higher demand for homes.

Technorati Tags: London, property, real estate