By Jonathan Davies

Aldi has overtaken Waitrose as the UK's sixth largest supermarket chain, according to market experts Kantar Worldpanel.

The German budget supermarket, which has seen sales surge over the past year, saw another strong start to 2015 with a 16.8% increase in the three months to the end of March.

That increase took its market share to 5.3%, passing 5.1% share held by upmarket Waitrose. It also means that Aldi is now less than 1% off Co-op. The UK's fifth largest supermarket has a market share of 6%.

Aldi's sister chain, Lidl, also saw its market share rise after a 12.1% rise in sales during the period. It now has a share of 3.7%. Combined, Aldi and Lidl have a 9% share of the market, up from 5.4% three years ago.