Over the weekend Propertymark has made the unusual move to warn Sadiq Khan that rent controls will lead to fewer properties and lower standards within the PRS.
Read MoreCouncils push scheme to catch agents running unlicensed properties
London's boroughs are encouraging tenants to check their property is licenced and then using RROs to fine letting agencies and landlords.
Read MoreRent controls will leave tenants worse off, landlords warn London Mayor
Comments by NRLA come as Sadiq Khan launches his bid for another term in office, including a promise to introduce rent controls.
Read MoreLondon mayor launches property licence snooping tool for tenants
Agents and landlords will have to be extra careful to ensure a rental property is licensed or risk having to repay thousands in rent.
Read MoreJenrick praised for attacking London mayor’s housebuilding record
Developer says housing minister was right to criticise mayor but says both parties must now come together to find a solution.
Read MoreNot again! Mayor of London calls for rent controls as he launches re-election bid
Sadiq Khan tell supporters at his Hackney launch yesterday that the “Prime Minister will have to give us the powers we need" to introduce a rent cap in the capital.
Read MoreHow successful has Khan’s rogue letting agent checker really been?
Mayor has been bragging on Twitter about the success of his online tool since launching it last May but has been choosy about which data to promote.
Read MoreRent controls are ‘dead in the water’ confirms housing Secretary
Robert Jenrick reveals a change in direction for his department, which last year was considering rent controls to help 'make tenancies more secure'.
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