Ban Formula One and all other Motorsports from the UK, with the possible exception of the TT race on the Isle of Man is I may not have jurisdiction there.
Ban all domestic flights.
Ban second homes: anyone renting a Buy-to-Let 2nd home will have their rental agreement automatically turned into a mortgage which will thereafter be paid to the state, rather than the previous landowner. Proceeds from these liberation mortgages to be used to fund public education and healthcare.
Ban private healthcare and private schools.
Close down all fossil fuel burning power plants, accepting blackouts if necessary, and invest enormously in building an entirely renewable energy grid. Three years max for this, operators of fossil fuel burning power plants still operating after three years to be cast adrift on rickety old boats. If they manage to survive a year at sea they will be allowed to land in UK ports thereafter.
Initiate talks with the Republic of Ireland and the six counties on transition to United Ireland.
Ban all SUVs. Only people in designated countryside postcodes allowed to own Land Rovers, all urban dwellers banned from owning cars beyond a certain size.
Decriminalize all drug possession and free everybody in prison on non-violent drug charges immediately. Violent prisoners to be transferred to psychiatric hospitals. Prisons to be more-or-less abolished and replaced by rickety old ships that are cast adrift in the North Atlantic where absolutely necessary.
Ban factory farms and end farming subsidies based on acreage.
100% inheritance tax on everything over 500,000 quid.
No train journey to cost more than 50% of minimum wage per journey hour, e.g. if minimum is 20 quid then a one-hour train journey to cost maximum 10 quid.
Dog ownership to be licensed like cars: failure to pass theory and practical tests (mandatory for all current dog owners too) will result in confiscation of dogs. Any dog owners caught not picking up their dog's shit to have their license immediately suspended and fined 10% of their annual wage.