1 Screw the brackets onto the wood at an equal distance from the either edge.

2 Hold the shelf up on the wall. Place a level on it to make sure it's straight and mark through the holes in the brackets with a pencil.

3 Drill pilot holes with a drill using a small bit (a hammer drill may be required if you're drilling through a masonry wall). Then drill with the required size drill bit.

4 Push the wall plugs in, hold the shelf up and insert the screws loosely - one on each side at first, to help with steadying the shelf. When all screws are about halfway in, tighten them up one by one. That's it, you're done!

TIP Dip the end of the screws in grease before screwing in. It will make tightening easier but also the removing at a later stage.