Don't stress about Gas & Electricity
Phone them if you have prepay meter tell them you are self isolating if this is the case. They will then send out 2 weeks worth of Gas & Electricity or if you have a smart meter they will top it up.
BRITISH GAS: 03332029802
EDF: 03332005100
N POWER: 08000733000
SCOTTISH POWER: 08000270072
SSE: 03450262658