Nearly 11,000 branches now belong to the Property Redress Scheme after a 37% rise in membership last year.

As a result, there was a rise in its workload last year, according to the PRS’s new annual report for 2018.

Much of the increase in membership was a direct result of the decision of Ombudsman Services to pull out of the property redress market.

Sean Hooker, head of redress at the PRS, said this was a “totally unexpected development”.

By the end of last year 9,292 offices were signed up – with more growth since – of which 76% were registered for lettings, 75% for property management and 47% for sales.

The PRS last year dealt with an increased number of complaints, and directed a total of almost £300,000 to be paid by agents to complainants.

The highest award was the maximum possible, £25,000, where the landlord claimed for both rent arrears as well as the costs of a bridging loan taken out to cover the shortfall.

Most complaints about sales agents were to do with misleading or incorrect information, poor communication, and unfair contract terms.

Most complaints against letting agents alleged breach of duty of care, followed by poor service and complaints handlings, poor communication, and fees.

The average award made to a complainant was just over £1,100.

Some complaints were resolved at a very early stage and without having to proceed to a formal process.

One was an “administrative error” where an agent charged £95 to send a letter. The agent agreed to cancel the fee and apologise.