1 Mark the position of the new socket
Hold the metal box of the socket against the wall and draw around it in pencil. Next, mark the chase or channel running up to the socket from the skirting board to the drawn outline. Use a masonry drill and bore a series of holes just inside the lines to the required depth of the recess.
2 Cut away the masonry
Using a bolster and cold chisel, hack away the plaster down to the brickwork. Cut away the brickwork to the depth of the drill holes so that the socket box lies flat with the plaster. Fit the box in the recess.Marl< the wall through the fixing holes and drill the wall for screw plugs.
