Question 1

What is a consumer unit?

Accepted Answer

The consumer unit is the most vital electrical component inside any home, controlling and distributing power safely and efficiently.

Modern consumer units (the new name for fuseboards):

- Improve electrical safety
- Reduce fire risk 
- Ensure your home complies with [UK Building Regulations](https://www.checkatrade.com/blog/expert-advice/building-regulations/)

Question 2

What are the different types of consumer unit?

Accepted Answer

There are several[ different types of consumer units](https://www.checkatrade.com/blog/expert-advice/consumer-units/), so it's worth considering all your options before making a choice. The most common types of consumer units include:

-   Full loaded consumer unit

-   Split load consumer unit

-   Shower consumer unit

-   Garage consumer unit

-   High integrity consumer unit

-   RCD dual split consumer unit

-   Domestic switch fuse

Question 3

How much does it cost to replace a fuse box with a consumer unit?

Accepted Answer

In general, this job will cost around **£335**. This figure is made up of:

- The price of removing a fuse box (**£75**)
- The cost of a consumer unit (**£80**)
- The average consumer unit installation cost (**£160**)

For more prices and tips, visit our guide on the [cost of replacing a fuse box with a consumer unit.](https://www.checkatrade.com/blog/cost-guides/cost-replacing-fuse-box-consumer-unit/)

Question 4

What affects the cost of installing a new consumer unit in the UK?

Accepted Answer

The amount you pay for your fuse box installation will be affected by the following variables:

-   **Type of fuse box** - Different fuse boxes vary in price

-   **Current set up** - If your current setup is in poor condition, this will increase the amount you pay

-   **Size of property** - Larger property equals bigger fusebox (and costs)

-   **Electrical inspection** - If your home wiring hasn't been checked in a while, you may need an [electrical inspection](https://www.checkatrade.com/blog/cost-guides/electrical-safety-check-cost/) to ensure it’s safe

-   **Extra work** - If you need extra work doing, e.g. adding new wiring or sockets, this will push up the price

-   **Location** - Labour costs vary depending on where you live in the UK

To get an exact quote for your consumer unit installation, speak to a [qualified electrician ](https://www.checkatrade.com)directly.

Question 5

How long does it take to replace a consumer unit?

Accepted Answer

Most consumer unit replacements take **half a day to a full day**, depending on the complexity of the installation and any additional repairs needed.

Question 6

Will the power be off during installation?

Accepted Answer

Yes. Your electricity will need to be turned off while the old fusebox unit is removed and the new consumer unit installed. Your qualified electrician will advise how long this will last.

Question 7

Is replacing a consumer unit a big job?

Accepted Answer

Replacing a consumer unit is a significant electrical task but routine for qualified electricians.

The unit itself is replaced in roughly half a day. However, testing and safety checks will add to the time, but are essential parts of the process.

Question 8

Are old fuseboxes illegal?

Accepted Answer

No, older fuseboxes aren’t automatically illegal, but they may not meet modern safety standards.

If you’re experiencing frequent tripping, lack of RCD protection or visible wear, an upgrade to a consumer unit is recommended.

A qualified electrician can advise you on the best approach based on the age of your current fuseboard.

Question 9

Do I need a certificate after replacing a consumer unit?

Accepted Answer

Yes. Your electrician should provide an [Electrical Installation Certificate](https://www.checkatrade.com/blog/electrical-installation-condition-report-near-me/) (EIC) and notify Building Control. Keep this paperwork safe – you may need it when selling your home.

Question 10

Why hire a qualified electrician?

Accepted Answer

Consumer unit installation affects the safety of your entire home. A professional electrician will:

- Ensure compliance with UK regulations
- Install modern safety features like RCD protection
- Carry out full testing before energising circuits
- Provide certification for legal compliance
- Advise if additional upgrades are needed

**For peace of mind and a safe installation, always use a qualified, registered electrician.**

Question 11

How to find qualified electricians for consumer unit (fuseboard) installation in [location]?

Accepted Answer

To help you find qualified electricians for consumer unit (fuseboard) installation in [location], consider these tips:

- Read online reviews to determine their reputation and quality of work
-   Verify their public liability insurance, so you know they’re covered against any potential accidents or damages 
-   [Get multiple quotes](https://www.checkatrade.com/post-a-job) from at least three tradespeople so you can compare prices and services
-   Use Checkatrade and **hire one of our approved members that have undergone up to 12 checks** so that you can hire with confidence

Fuseboard / Consumer Unit Installation in South Wimbledon (154)

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