The kitchen is increasingly becoming the centre of the household, it has been suggested.A survey by kitchen design firm Sigma 3 indicates that the room is now the centre for social gatherings and entertaining.Some 43 per cent of those questioned said that the amount of socialising done in the kitchen has risen, reports the Telegraph.Whats more, around 25 per cent claim that the amount of time spent in that area of the house is increasing and over 40 per cent say that they spend up to two hours in there each day.Marketing manager of Sigma 3 Paula Morris told the newspaper In an increasingly image-conscious world its interesting to see that as the kitchen consolidates its position at the heart of the home.One way to make the kitchen the focus of a modern home is to install one of the variety of attractive and practical Franke kitchen sinks currently on the market.Innovative Swiss firm Franke makes sinks in a range of colours, styles and materials, with something to suit every taste and kitchen design.