> By 2013, some tenants who had purchased their council flats, sold them later to speculators, investors or property companies. By 2013, a one-bedroom council flat that sold for £50,000 in the early 1990s, for example, had a market price of £250,000.[9] A tight housing market led to increased rent as construction of new homes decreased.[9]
https://en.wikipedia.org/wiki/Housing_Act_1980
> By 2013, some tenants who had purchased their council flats, sold them later to speculators, investors or property companies. By 2013, a one-bedroom council flat that sold for £50,000 in the early 1990s, for example, had a market price of £250,000.[9] A tight housing market led to increased rent as construction of new homes decreased.[9]