The digitalisation of the store is currently a key focus area for a number of high street retailers – and John Lewis reported today that its online revenue continues to be boosted by sales made via digital terminals in its bricks and mortar outlets.

In its weekly trading update, the department store chain said that sales for the seven days to 16 August 2014 were up 13% year on year, with a 31% jump in online driving the growth.

Online sales made via in-store terminals, described by the retailer as "partner assisted customer transactions", were up 40% on the same period in 2013. A beauty brand launch that week was also said to have been "hugely successful", contributing to the e-tail growth.

David Barford, director of selling, group L & S at John Lewis, said: "There were a host of excellent shop performances last week, which continue to be topped by High Wycombe [with sales up 45% year on year].

"Huge congratulations to Newbury, Chichester, Stratford City and Norwich who were all also in the 20% gain club […]. With the bank holiday approaching and the 'good retailing weather' set to continue, there is every reason to be optimistic that we can achieve another strong week."

Independent retail analyst Nick Bubb, writing in his email update The Daily Retailer, said total sales over the last three weeks at John Lewis are running at 9% ahead of last year, with its home department up 11.6%.

He noted: "John Lewis faced another quite strong comp last week (like-for-like sales were up by 6.5% a year ago, driven by electricals), but the autumnal weather helped store footfall, as well as online trade, and the resurgence in big-ticket home sales made up for quieter trade in electricals."