I must be stuck in the 20th century or something, only just found this....& it's been lurking on PPRUNE all along:
http://fly.dsc.net/u/Search
Just put in your place & up pops a list then satellite images of all the stips in the area.
Some don't exactly look like they could host an aircraft (wrong co-ordinates, fields turned over for other uses, fully disused?), but a couple right in close to Newbury & Thatcham.
"A lot" seems to be about right!!?!
BFA