The entrance, just a short stroll from Clapham North tube station, barely merits a second glance.
"We're feeding about 5,000 people a week. About 3,000 canapés are going out today," explains Jeremy Redgewell from Eden Caterers, as he loads up their van.
In this health-conscious era, the nation's appetite for salad is insatiable.
As London wakes each morning, the teams at Pod - a fast food chain with 22 branches - have already ripped through their daily delivery of fruit and veg.
Rewind a decade and the Chinn family was quietly growing spuds in the Wye Valley, a crop they had farmed for four generations.
Farmer, chef and restaurateur - three brothers with the perfect mix of skills to succeed in the restaurant business.
At this time of year, the shocking pink stems of forced rhubarb are by far the most dazzling crop on the Market.
There's a festive feel on the Market this week, as traders gear up for the big blowout – the Christmas meal. Here, some familiar faces share their greedy plans:
"The guys need to be on time and have knowledge of the seasonalities and how to deal with chefs - which is tough, believe me," says Francesco Mazzei, with a glint in his eye.
Parkway Greens, a new grocers in Camden Town, is a business built on the ashes of the economic meltdown.