Ed's Easy Diner is set to open another two restaurants, in Derby and York.
The news came as the new Ed's Easy Diner in Watford opened this week at the newly rebranded intu shopping centre (formerly the Harlequin).
The 113-cover site is the brand's 21st.
Ed's Easy Diner will open at Westfield Derby on 19 November, and McArthurGlen Designer Outlet in York on 10 December.
It plans a further 15 sites before the end of 2014.
Andrew Guy, chief executive of Ed's Easy Diner said: "As we come to the close of a very successful year for Ed's, we've found that some of the openings have performed well above expectations, such as Metrocentre in Newcastle, Meadowhall in Sheffield and now Watford. We now head to high footfall sites Westfield Derby and McArthurGlen in York in the coming weeks and hope to see trading at similar levels going into 2014."
Ed's continues to work with the Springboard charity on each new opening, employing young, unemployed or disadvantaged people from the local community into a career in hospitality.