If you like Rosamonde Pilcher, you may want to try
Maeve Binchy
Elizabeth Cadell
Elizabeth Goudge
Penelope Lively
D.E. (Dorothy Emily) Stevenson
Joanna Trollope
Mary Wesley
The Baily Chronicles by Catherine Cookson
Diary of a Provincial Lady by E.M. Delafield
The Walled Garden by Rosemary Enright
Rose Cottage by Mary Stewart