Dating to the 18th century is defined by its use of leather, rolled arms, a back the same height as the arms, tufting for a quilted effect and no back cushions.

The Cabriole sofa style is characterized by an exposed wooden frame (often carved), and slightly lower arms than the back. The upper portion curves outward and the lower portion curves inward in a gentle S shape, with this type of leg associated with the Louis XV period of furniture design.

A true camelback sofa has an arched back that rises to a higher point in the middle, and again slightly at the ends. Other features include rolled or square arms, upholstery, exposed legs and usually no back cushions.

A Lawson sofa typically has three back cushions and arms lower than the back (slightly rolled or square), although there are many variations now on the market.

The Tuxedo sofa is defined by arms the same height as the back (usually taller than other sofa designs mentioned in this post), inspiring glamour and elegance.

This super cosy sofa usually has a tight back; soft, generously sized cushions; recessed arms; and low turned legs on casters. It can work wonders, adding a touch of warmth that can often be lacking in modern homes.

The classic style can be recognized by its straight, high back and angled adjustable arms (in the old days, they were used as protection from drafts), adding a touch of classic charm to modern settings.

Elegant, casual and comfortable, a Bridgewater sofa adds a welcoming touch with its softly rolled back, low set-back arms and heavily padded cushions.

These sofas usually have a streamlined form with low, often square legs, although there are many variations.

Function comes first with the sectional sofa, a good option for contemporary rooms with high ceilings or lot of windows. Great for filling up large spaces but not ideal small interiors.