There was a slight confusion over our arrival (my fault -- should've been in contact beforehand) but it was soon sorted.
Diane was a very gracious and welcoming host, friendly and chatty. The location was exactly what we needed for our brief overnight stay: an easy 10-minute walk from the centre of Brixton (and the tube station), and just a few minutes further to the O2 Academy where we were attending a concert.
The room was ideal: twin beds that were comfortable and warm, and Diane had also provided thoughtful extra touches like some bottled water, biscuits and a kettle so forth for hot drinks too.
The only slight issue was the noise from planes overhead that went on through the night -- something we're not used to, living way out in the countryside! We happily use Diane's place again, but next time we'd be sure to pack some earplugs.