Andy Burnham's Manchester tailor is set to storm Savile Row, opening a branch in London's sartorial citadel.

Private White VC shot to fame last month when it emerged the new Prime Minister was a client. 

The Mail on Sunday revealed that Burnham spent more than £1,000 on its casualwear, including an £80 T-shirt he wore in his campaign video for the Makerfield by-election.

Now we can confirm that Private White VC, named after founder James Eden's Victoria Cross-winning great-grandfather, will open in Mayfair in October after pulling out of London during the pandemic.

'Yes, the rumours are true,' Eden said. The firm is based in a 173-year-old mill by the River Irwell where every piece of the brand's locally sourced clothing is designed, cut and stitched.

Eden said his firm had enjoyed its own 'Burnham bounce' with traffic to its website doubling in a fortnight. 

The PM, a long-standing customer, has visited the Salford factory for fittings but most orders are made online by overseas buyers.

'Our big challenge is brand awareness. We're Manchester's best-kept secret, with more known about our business in Munich and Manhattan,' Eden said. 

He counts Sir David Beckham, the King of Spain, Robert De Niro and Daniel Craig as customers.

A typical client is 'a man of commerce, well read and informed' who 'expects to pay a fair price for a high-quality product', he added, saying: 'People don't buy our clothing because it's expensive. It's expensive because we make it properly. Craftsmanship is increasingly scarce.'

Eden also brushed off the furore over the cost of Burnham's designer wardrobe, saying: 'Whatever your political views, it's surely great when British-made products, British skills and British manufacturing are showcased on the international stage.'