oh and 'number 13' green lanes - why would that be?

"programmed there" replies MI5 ONLINE..."we put rimington in there"...go figure:

https://www.google.co.uk/maps/place/13,+10+Green+Lanes,+Harringay,+London+N8+0RL/@51.5826525,-0.1017024,427m/data=!3m2!1e3!4b1!4m5!3m4!1s0x48761bf40f98e9ed:0xab6337c1eee2265d!8m2!3d51.5826525!4d-0.0995137