Many decades ago, I enjoyed a residential course at Nympsfield. At that time it was excellent local food, comfortable accommodation in recently refurbished bedrooms on site, and good instruction/flying.
As has been stated, don't expect 5 star luxury, but there is a lot to be said for rolling into bed out of the Club Bar, rather than living off site.
And yes - a hill site (top or bottom) is a good place to gain early experience. When you eventually go cross country, almost any field you choose will be better!