Many resteraunts and pubs are slowly offering GF alternatives on their menus
This requires a great deal of caution as a gluten-free menu doesn’t often mean a kitchen free from cross-contamination. This doesn’t matter if you’re just trying to avoid wheat-based foods, but can be a right pain for people with coeliac disease (gluten is gluten, and just a trace will usually cause problems for them).
Coeliac UK are an excellent source for recipe ideas. They also hold local forum meetings to discuss good local restaurants, shops,bread recipes, etc.