Previously, these low deposit deals were only available to existing customers or homebuyers who use the Society’s FlexAccount as their main current account.

Ian Andrew, head of intermediary sales, said: “This news is further evidence of how we are actively supporting the housing and mortgage markets, in particular, those with smaller deposits.

“We know brokers often speak to customers who are struggling to raise deposits of 15% or more so we’re pleased that they will now be able to offer them our competitive three and five year fixed rate deals with just a 10% deposit. On the average property, this will bring the level of deposit required down from £24,750 to £16,500 – welcome news for first time buyers and those upsizing to a bigger home.”

A further spokesperson said: “90% LTV borrowing now forms an important part of the market and we want to ensure Nationwide plays a significant role in that. As such, we are offering straightforward, mass market 90% LTV mortgages from our core range of products and rates.

“Our move demonstrates tangibly how we are supporting all homebuyers and the intermediary market.”

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The rates on the 90% LTV deals include a three-year fixed rate at 5.39% and a five-year fix at 5.69%, with a £500 fee discount for first-time buyers.

Lending above 85% LTV is available on three and five-year fixed rate mortgages.

The mutual lends to 95% LTV to existing Nationwide mortgage borrowers switching at the end of their current deal or moving home and Save to Buy customers.

Nationwide also lends 75% on new build flats and 85% on new build houses.

At the end of October, the mutual added a new-build premium to valuations on all new-builds adding back in the first-occupier value lost as soon as a homeowner moves in.