What kind of walls did you have, and insulation did you get?
Beyond saying 1950’s cavity wall I’m not sure what the wall type is. The insulation is from Instabead.
@JonD started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
What kind of walls did you have, and insulation did you get?