Sheesh. EST case study.
1896 tenement flat with vapour impermeable internal wall insulation and electric underfloor heating.
Bills will be sky high and the wall likely to be deteriorating.
Would love to visit.
https://greenhomesnetwork.energysavingtrust.org.uk/CaseStudy.aspx?cid=1647&cindex=-1
Energy Saving Trust | Green Homes Network

@Chris_Carus Location is probably identifiable from that out of window shot if you want to visit ;-)
@DanielRThomas haha maybe somebody can geolocate it.