The website is known for being an online shop-window for property buyers, but has teamed up with lending platform Landbay to provide a service for investors.
Customers will be able to fund buy-to-let mortgages via Landbay and earn interest on their contributions.
Zoopla’s so-called “Invest” channel also allows investors to take out a stake in a professionally managed home through Bricklane.com; customers’ savings in the property Isa increase with property prices.
Alex Chesterman, founder of Zoopla, said: “We are delighted to be launching this great opportunity for anyone to invest in the UK property market from as little as £100.
"Property investment has never been available to the masses before in this way and for those looking to get onto the property ladder or saving towards a property purchase, the ability to ensure that their investments keep pace with the property market is essential."