An update here from Gareth Stamp:
Visited today from 11.45 to 14.55.
Isabelline wheatear present but ranging widely. Also 7 wheatear. 7 spotted flycatcher between Sach's Garden and Landing area. Whitethroat, 4 blackcap, hobby (juv) performing well with juv peregrine and kestrel. Few chiffchaff and stonechat and 4 chough.