Arvon – http://www.arvon.org/course/ Week-long residential courses on comedy, songwriting, poetry, radio drama, food writing, fiction and more
Dark Angels – https://www.dark-angels.org.uk/ The first and best (and only?) creative writing for business retreats. Held in Cornwall, Northumberland, Oxford and Spain. Guaranteed to get your creative juices flowing, with a special discount for lucky 26ers.
The Faber Academy – http://www.faberacademy.co.uk/ Firmly focused on writing fiction – courses in London (from 1 day to 6 months) and online (8-28 weeks)
Moniack Mhor – https://www.moniackmhor.org.uk/ Scotland’s creative writing centre – offers week-long (and long weekend) genre-focused fiction writing courses and writing retreats in the Highlands near Inverness