The cost can sometimes be difficult to quote up front as it depends what's found, how long it takes to repair and what equipment is needed.
Which? conducted a survey in 2012 and came up with the following useful table.
NB: All of these prices include labour and materials but exclude VAT.
|Typical price quoted
|Typical time to complete job
|Survey conducted in July 2012
|Replace light fitting
|Remove standard rose and replace with new light fitting supplied by customer.
|Perform an electrical inspection report
|Safety check on electrical wiring in standard three-bed semi detached house.
|Replace consumer unit
|Supply and fit a new consumer unit for standard three-bed semi-detached house.
|Install electric shower
|Supply and fit an 8.5kw electric shower.
|Install a light in loft
|Supply and fit light in loft with switch outside loft hatch. Assuming no light already exists.
|Replace old strip lighting in kitchen with LED downlighters
|Install an outdoor power socket
|Fit a double socket on an external wall.
|Install two extra double sockets in lounge
|Supply and fit two double sockets (white).
|Replace standard light switch with a dimmer switch
|Fit an electric cooker
|Fit a single fan electric oven. Assuming all power is already in place. Customer supplying oven.
|Repair a damaged power cable on vacuum cleaner or other similar appliance
|Install an external security light
|Supply and fit an external security light – movement sensitive.
|1–3 hours (dependent on how close light is to electrical supply and length of cable required)
|Completely rewire average two-bed terraced house
|Remove old wires and fittings, install new wiring and fittings – six rooms including kitchen and bathroom.
|Completely rewire average three-bed semi-detached house
|Remove old wires and fittings, install new wiring and fittings - eight rooms including kitchen and bathroom.
|Completely rewire average four-bed detached house
|Remove old wires and fittings, install new wiring and fittings - 10 rooms i