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Fuse box extension

More circuits needed but the board is still sound? We extend the existing board with extra circuits and residual current protection, as long as its build and the wiring allow it.

AdvantageKeeps the existing board
LimitRoom and state of wiring
DurationHalf a day to a day
StandardNEN 1010

Fuse box extension: how we work

Extend or replace?

Extending works if the board has breakers, the residual current protection is sound and there is physically room left. If the board is full of screw-in fuses or everything hangs behind one RCD, replacing is cheaper in the long run than continuing to bolt on.

What can be added

Extra circuits for kitchen, bathroom, outdoor connections, a charging point or a workspace. Where needed we add a second RCD, so a fault does not immediately take out half the house.

The board stays legible

A board that has had things added to it over the years is a puzzle when something fails. We relabel every circuit and record the layout, the existing ones included.

Prepared for later

Do you know a charging point, heat pump or air conditioning is coming before long? Say so. Then we keep room and capacity free now instead of starting over later.

Send us your situation with a few photos and you will have a clear quote with a fixed price within 24 hours.

Frequently asked questions about fuse box extension

Question not answered here? Call or message us and we will think it through with you, free of charge.

How many circuits can still be added?

That depends on the free modules and on what the main supply can carry. Usually one or two; a photo tells us.

Will my old board then be a mixture?

Yes, and that is allowed, provided the whole complies with the standard. We say honestly whether it is a tidy solution or postponing a replacement.

Do I need to be home?

At the start and at handover yes, because that is when we walk through the board together. In between, no.

Is the installation tested afterwards?

Always. You receive the measured values and an overview of the circuit layout.

More from fuse box

Fuse box replacement Adding a circuit Three-phase supply upgrade Cooker circuit installation RCD replacement see our service area

Need help with fuse box extension?

Tell us what needs doing and add a photo, and you will have a fixed price within 24 hours. Available on working days from 08:30 to 17:00, and outside those hours for emergencies.

Call 085 212 8234 Request a quote