A UK headline wealth tax? It may be simpler to put up existing taxes

Amid party divisions and issues with data, pulling existing tax levers could be a more politically palatable option

• How Spain put up wealth taxes - without chasing away the billionaires

• Could a wealth tax work in the UK? A visual guide

Pressure to go further on wealth taxes - by creating new modes of clawing at hoards of hard-to-reach cash - is mounting.

For starters, the fiscal picture is looking fairly bleak, with economists estimating that Rachel Reeves must raise 20bn - or even as much as 50bn - to meet her goal of balancing day-to-day spending against the revenue raised from taxation.