You've done Steam Rides from the wonder that is Ruislip Lido.
The roads may be less pot-holed than your beloved Uxbridge Road,
but,
London Borough of Hillingdon is north west London's green lung; https://en.wikipedia.org/wiki/Ruislip_Woods
If it has space for woods it probably has space for baths. Go further in though and you're likely to find four people living in the same space as one of your "baths". :)
We rode past those woods last weekend doing a DIY 100k.
You've done Steam Rides from the wonder that is Ruislip Lido.
The roads may be less pot-holed than your beloved Uxbridge Road,
but,
London Borough of Hillingdon is north west London's green lung;
https://en.wikipedia.org/wiki/Ruislip_Woods