I stayed in Peter's flat for 17 days. I am generally known to be a little fussy, but there is absolutely nothing I could complain about. The flat looks much much better than in the pictures. It's new, modern and clean! The flat has one large main room with the kitchen, living and bed in the same space; one cute balcony overlooking the main road; one big toilet/bathroom with a bathtub and a decent sized closet. It is located just 10 minutes walk away from the London Bridge and London Bridge Underground, hence it is very much central surrounded by the most amazing restaurants, pubs and shops.
Peter was an excellent host. The day I arrived, he was kind enough to get me a fan as it was very hot. He also patiently showed me around the apartment and gave me tips on where to go in the UK.
I am definitely staying here from now on. :)