Are your lamps continually blowing? Are you fed up of having to change your downlight lamps or calling out an electrician because a transformer needs replacing?
I have been to many properties in Upminster where my customers need me to repair their faulty downlights. In most cases the lights are low voltage 12v lamps which use a transformer to convert the voltage. You can tell the lighting is low voltage by the pins on the lamps (see picture below)
These kinds of lights are prone to breaking down, if a lamp stops working I would check the following: