Britain’s biggest buy-to-let owners, Fergus and Judith Wilson, have sold around 100 of their properties to Chinese and Indian investors, making some £25m.

The couple, both former maths teachers, plan to have sold almost half their 1,000-strong portfolio by the end of this year with the remainder being sold next.

Fergus Wilson, 67, said: “We have got another 20% to sell between June and mid-September.”

The couple, whose portfolio is in Kent, revealed they would be selling up last year.

They had initially hoped to make £250m for the properties but Wilson said he had lowered his estimation.

However, he said the properties so far sold had not been discounted, but sold at the market price.

Wilson announced last July that the couple – who at one stage were buying at the rate of a property per day – would be selling their entire portfolio.

Just one month later, in August, Wilson lost his appeal against a conviction for assaulting an agent, Dan Wells, of PLS (Property Lettings and Sales) in Folkestone.

Never far from controversy, Wilson also attracted headlines when he revealed that he had evicted all his housing benefit tenants, including those not behind with their rent.