Woodwell consists of compact limestone, but the seepage is bad, and so doing stuff there calls for good weather. (It's not as if foot-and-mouth has helped either.)
The problem itself, called Kaizen, is six moves long but John said that it's only a couple of minutes from his house. Convenient... more than the other project he's working on which is two hours' drive to the Peak.
If the name doesn't ring a bell, he did the third ascent of Hubble (F8c+) and has some useful beta at this page in case you thought you'd have a stab at it while you wait for folk to get off that E1 you fancied.