What is the importance of Gower's Walk in the novel, The Woman in White?

Gower's Walk, located in Fulham, is a quiet, poor neighborhood in the southeastern suburbs of London. Marian and Laura flee to Gower's Walk when Fosco discovers their home over the engraving shop. Walter later joins them there and marries Laura. They have a son named Walter, born while they live there, until Frederick Fairlie dies leaving them Limmeridge House.