Sophie Conran’s homestyle secrets revealed

No matter how ropey your bed, a mattress topper will make it more comfortable I have one on every bed in the house. I bought the most basic bed for the guest room and everyone who sleeps there says they had the best night's sleep. We use them summer and winter alike.

Good smells in the house are so warm and inviting. Lighting a scented candle in the hall before guests arrive is a lovely way to begin the evening.

Mirrors opposite windows in dark spaces will increase the available light I always use this device - it makes a room look twice as big.

Gloss paint on woodwork and cornicing really works I usually paint mine a shade of white, grey or stone. It distinguishes the detail and gives it a certain grandeur.

I have to have a bright colour in the kitchen It's the first place you see in the morning and if it's a cheerful colour you start the day with a smile.

I need a clock in every room, even in the bathroom... or I'd end up spending all day in the bath. I like to know what time it is so I can say, ‘I've got 20 minutes before I...'

Books should be stacked by size. When you think of a book you want to refer to, you always remember its size. Also, this trick makes the shelves look so much nicer. Someone told me they'd stacked their books according to size and colour and I'm deeply envious!

Wallpaper can transform a lifeless room It makes a statement and gives even the smallest space personality.

I always line my curtains with a colour. My bedroom curtains are white linen with a yellow cotton lining. In the morning, as soon as it's light, the room seems to be filled with the look of sunshine, even on a grey old day.

Soft furnishings are essential, especially in a loud and clattery room The trend towards minimalism has increased noise levels. Soft furnishings are the ideal remedy.