Plain carpet is safe, timeless and ageless. It will suit any room or decorating style .It gives you greater flexiblity with wallpaper and fabrics and is easier to build schemes around-both now and in the future. It also opens up a room and using the same colour throughout , either upstairs or downstairs , does give a feeling of space.
Alternately, there are some beautiful ornate patterned carpets from traditional designs to small motifs and colourful stripes that will look at ease in any home. Patterned carpets can be basis of a subltle contemporary look that has lasting appeal.