These before and after images show how light bright colours can make a space appear brighter and bigger. If you want to make a space feel bigger you should use colours in cool tones as they appear to recede. Warm tones will appear to come forward.
In this example the woodwork has been painted white and this helps make the space feel bigger and lighter.
In this example the white tones really help to make this space less gloomy.
In this example the woodwork has been painted in a darker tone so the walls appear lighter and brighter.