Lets take a regular person in a 150k GBP house. They need to pay 6000 GBP every year in tax on that "wealth". They lose their job. Where does the money come

Lets take a regular person in a 150k GBP house. They need to pay 6000 GBP every year in tax on that "wealth". They lose their job. Where does the money come from to pay wealth taxes? While unemployed they are "hoarding" their house (and car, and TV set, and laptop etc) and not participating in the economy.