This is an electricity sub-station

There are steps here

What is this? Is it a house?

A few more streets have been created as part of the Denham Film Studios residential housing project.

Here are their names:

Albert Broccoli Road - UB9 5FJ
Celia Johnson Close - UB9 5FL
Greer Garson Road - UB9 5FP
Noel Coward Avenue - UB9 5FN
Stanley Kubrick Road - UB9 5FD / UB9 5FE / UB9 5FF / UB9 5FG / UB9 5FH

https://www.weston-homes.com/insights/hollywood-heads-to-denham-as-weston-homes-unveils-ultimate-tribute-to-stanley-kubrick/

Bosch "Building 2" (Warehouse 2 / 3) and the link to "Building 1" was demolished in 2017/2018.

https://pa.chilternandsouthbucks.gov.uk/online-applications/applicationDetails.do?activeTab=documents&keyVal=OXRR7AOHJKQ00