London’s Alleys: Banksian Way, TW7

A few minutes walk from Isleworth station in southwest London is a residential alley that looks nice but fairly unadorned until you spot the metal arch in the middle.
What’s that doing here?Well, what looks like an alley created when housing was added predates the houses and was once the path to a grand country house, once owned by a botanist whose fame has faded in the UK, although he’s still well known in Australia.
The country mansion was Spring Grove House, which, in 1779, the we