Ascot is only a few miles from Windsor and Eton College is just over the river from Windsor, too. The town itself has some very posh townhomes and landed properties, but nothing close to the value of Royal Lodge in terms of Royal connections.

I think Sarah should look for a reasonable flat in Putney or Wandsworth. She doesn't need more than one pr two bedrooms, a small kitchen (she doesn't cook) a bathroom, and a living/dining room. Jack and Edo could pool funds and purchase one for her. As for money, Tesco has quite a few stores in those places and I'm sure she could easily get hired as a greeter or cashier.