Nando's, the chain of Portuguese chicken restaurants, is to buy Clapham House Group, which runs Gourmet Burger Kitchen and The Real Greek chains, for £30 million.

The deal is being recommended by Clapham House to its shareholders. Clapham House has 53 branches, while Nando's has over 230 branches in Britain and Ireland.

In a statement Nando's said, "Against an increasingly competitive market, NGHL [Nando's] believes significant investment and time are needed to re-invigorate Clapham House's businesses."