Do not go if you do not dress Gucci or are not happy to be treated as a beggar (with all due respect for beggars). I arrived in UK not a long ago and went quite spontaneously to enquire about a house they try to sell. ok, I did not wear an Armani suit. ok, maybe going after work in jeans and backpack (normal outfit for a scientist) was not a smart idea, but I was not expecting to be treated like someone looking for a free accommodation. Surely I was not prepared to buy something at once (I do not know how it works here yet) and was naively thinking they were more willing to talk, to contact me to offer something in the future possibly (if for the current house was too late to make an offer). I had many documents with me (evidence of current address, salary statement from my employer, informal bank statement about a possible loan), everything but a mortgage statement (as said it was spontaneous) but their attitude was so annoying, I had just to leave. I just hope I will not be interested again in a house sold through them, unless they learn to treat people nicely, regardless how rich they look like.