How long does a consumer unit upgrade take?
A straightforward consumer unit upgrade is usually completed in a single visit. The time can increase if we find damaged wiring, poor earthing or other faults that need correcting before the new unit can be safely commissioned.
Most consumer unit upgrades are completed during one planned visit. The time needed depends mainly on how accessible the existing unit is, how many circuits it supplies and whether the wiring is in suitable condition for reconnection.
A straightforward installation can take less time than one in an older property with several additions or alterations. We may need longer where cables are short, circuits are poorly labelled, connections are crowded or the existing arrangement does not match the way the property is now used.
Before work starts, we inspect the consumer unit, identify each circuit and check the condition of the cable ends and protective conductors. This helps us find problems that could affect the upgrade rather than discovering them after the old unit has been removed. If the supply arrangement or earthing needs attention, we explain that before proceeding.
On the day, we isolate the electrical supply and remove the old unit. We then connect the existing circuits to the new protective devices, label them clearly and test each circuit. The power will be off for a significant part of the work, so it is sensible to plan around equipment that must remain running. We also need clear access to the consumer unit and may need access to relevant sockets, switches or equipment during testing.
The upgrade itself does not necessarily mean rewiring the property. If testing identifies damaged insulation, loose connections, missing bonding or a circuit that is not safe to reconnect, we discuss the required repair with you. Some issues can be dealt with during the visit; others need separate work and may change the overall timescale.
Testing is an important part of the job, not an optional final check. We verify that the protective devices operate correctly, confirm circuit continuity and check that the installation is safe to put back into service. We then explain any limitations that remain and provide the relevant electrical certification for the work. Alderminster Group’s NICEIC and ECA registration reflects the testing and certification standards expected for this type of electrical work.
For an older or altered installation, the initial assessment gives the most reliable indication of how long the work will take. We provide the expected timescale before work starts, so you know whether the visit should remain a standard upgrade or whether further electrical repairs need to be planned.
The quoted timescale should cover the consumer unit upgrade itself, not unrelated electrical work that the inspection may identify. A full rewire, replacement circuit or correction to the supply arrangement needs separate planning.
That distinction helps you plan the job properly. We explain which work can be completed as part of the upgrade and which would need another visit, so the expected duration is based on the actual condition of the installation rather than a standard estimate.
