London mayoral candidate Labour MP Sadiq Khan has pledged to make housing his top priority.

He would set up a London-wide not-for-profit lettings agency, name and shame rogue landlords online, and end “rip-off fees for renters”.

He would also introduce a Homes for London Living Rent, and offer part-buy, part-rent homes for first-time buyers who had been renting for over five years.

Issuing his manifesto yesterday, he said: “We cannot afford to price ordinary working Londoners out of city.

“If we shut down opportunity, London will become closed to the young, to the entrepreneurs and to the hard-working people who make our economy and communities tick.

“My mission is to restore opportunity and in doing so, to protect and advance London’s competitiveness and its status as a world-leading city for business, creativity and fairness.

“My first priority will be tackling the housing crisis. We need to build more homes, including more genuinely affordable homes for Londoners, and fewer gold bricks for overseas investors.”

Khan said he wants 50% of new homes being genuinely affordable; he also wants to prioritise “getting a better deal for renters”.

Khan would set up a new body, Homes for London, uniting councils, developers, investors, businesses and residents’ organisations.

In his manifesto, Khan says: “I know from my visits across the city that more and more Londoners are finding it increasingly difficult to find somewhere to rent that is affordable.

“Many face letting agency fees that are too high and property standards that are too low.”

As well as setting up a not-for-profit lettings agency “for good landlords”, he would promote licensing schemes in boroughs, and make the case for London-wide licensing.

The online database of criminal landlords, would be based on a scheme set up by New York mayor Bill de Blasio, listing those who had been successfully prosecuted for housing-related offences. It is not clear whether Khan would include letting agents.

His Tory opponent, Zac Goldsmith, said the manifesto did not survive “even the gentlest scrutiny. This isn’t a manifesto. It’s fantasy politics.”

Independent analyst Andrew Teacher, of housing-focused Blackstock Consulting, described it as “another housing manifesto from an opportunistic politician”.

The manifesto is here