Finally, have a think about where you plan to site major items of furniture, such as beds and sofas. Mark where light switches will be most conveniently placed, concentrating around doorways and at the top and bottom of stairs. Next, mark the direction in which occupants of the rooms are likely to spend most time facing, for example the television, a desk or the cooker. On your plan you should mark down permanent fixtures, such as windows and doors, alcoves, fireplaces and other heat sources, such radiators. Once you have the answers to these questions, draw a plan of the room to help you determine the best points for lights to be situated. It's important to ensure an area where you'll be working is well lit to avoid eye strain.
Using dimmers and asking your electrician to install your lights on separate switches so that each ‘type’ can be independently operated will make creating different moods easier. Directional spots on tracks, low-level chandeliers and recessed and hidden LED strips are all good examples
Floor, table and desk lamps are all good sources of task lighting, as is that incorporated into cooker hoods and vanity mirrors however, ceiling downlighters may be considered task lighting too as they are functional, rather than ambient.
Sources include large pendants, recessed downlighters, and even wall lights in some cases