Recruiters to the property industry are struggling to cope with unprecedented levels of demand for agents.

They also say there is a critical shortage of experience after the big exodus in 2008/9 when the housing market collapsed. Few of those who left – often through redundancy – appear to be returning.

Anthony Hesse said: “In my 26 years of running Property Personnel, this is the busiest we’ve ever known it.

“We’ve had a record number of vacancies registered since the start of 2014. Not only are there more vacancies than ever before, but they are taking longer than ever to fill.

“Everyone is looking for that elusive sales or lettings negotiator with one to two years’ experience, but they’re not out there looking for jobs.

“The majority of them are happy, busy and motivated in their current roles, and as importantly, earning good money. So why would they need to look for a new job?

“To combat this shortage, our clients are having to take on inexperienced staff. In 2013, 40% of our placements were trainees, which compares with a normal year of about 20%.

“With regards to the people who left the industry at the height of the recession – are they coming back? No, not really.

“Interestingly, though, those who are trying to do so are not finding it easy as our clients in general seem reluctant to employ them. I am not sure why, but perhaps this is because they were seen as being disloyal, or just not good enough to hack it when the going got tough.”

Joshua Rayner, of Rayner Personnel, said: “With the buoyant market, we currently have almost 500 live jobs for experienced people but not enough listers and senior negotiators to fill them.

“That’s down to a combination of two factors: those who left the profession in 2008 have not returned in any significant numbers, and smart estate agents are now developing career succession plans to keep their best people. This makes it difficult to tempt high-calibre individuals to look at fresh opportunities, however enticing.”

To address the shortage, Rayner’s other enterprise, Estate Agency All-Stars, is focusing on recruiting and training the next generation.

He said: “Since March 2013 we have placed 182 All-Stars, only four of whom have fallen out – an unprecedented retention rate of 98% when the industry average is around 40%.”

Meanwhile, recruitment firm AMR has admitted that it is struggling to fill the 700 vacancies on its books.

The firm said that agents are “frantically” looking to hire new staff.

Nicola Davis, of AMR Recruitment, said: “We are actively encouraging property professionals to return to the sector.

“Salaries are increasing due to demand from property companies, and on-target earnings are achievable.”

Meanwhile, on recruitment site totaljobs.com, there are 1,911 vacancies listed in estate agencies and lettings firms.

On Gumtree there are 359 jobs in property, estate agency and letting agency in London alone, including one ad that rather surprisingly specifies “smart female staff”.