RMP Electrical: Guides
Straight answers
on home electrics.
Guides on rewires, consumer units, EICRs, EV chargers, and more, written from real jobs.
11 Nov 2025
Do I Need a New Consumer Unit When Selling?
There is no legal requirement to replace a consumer unit before selling a property. But if the existing board generates C2 observations on the buyer's EICR, it can delay or derail the sale. Here is what to expect.
28 Oct 2025
How Much Does an EV Charger Installation Cost?
Most standard home EV charger installations cost between £800 and £1,500, including the charger hardware, installation, and Part P certification. Longer cable runs or a consumer unit upgrade push the total higher. Here is what you are paying for.
14 Oct 2025
What Is RCD Protection and Why Does It Matter?
An RCD (residual current device) disconnects a circuit in 30 milliseconds if it detects a fault to earth. Properties without RCD protection on socket and bathroom circuits are at a higher risk of fatal electric shock.
30 Sept 2025
How to Safely Add Sockets to Your Home
Adding sockets to an existing ring final circuit is a common job, but the right method depends on circuit capacity and location. Here is when a spur works and when a new circuit is the correct approach.
16 Sept 2025
Garden Room Electrics: What You Need
A garden room needs a properly specified electrical supply: armoured cable from the house, a consumer unit inside the structure, and RCD-protected circuits for each use. Here is how the work is planned.
2 Sept 2025
EV Charger Cost in 2025: What to Budget
The installed cost of a home EV charger in 2025 typically falls between £800 and £1,500 for a standard 7kW unit. The LEVI grant can reduce this for eligible properties. Here is what affects the price.
19 Aug 2025
What Is Part P Building Regulations?
Part P is the section of Building Regulations covering electrical installations in dwellings. Most new electrical work in homes must either be self-certified by a registered electrician or notified to the local authority.
5 Aug 2025
How Long Does an EICR Take?
Most domestic EICRs take between two and four hours. The exact duration depends on property size and how accessible the installation is. Here is what the inspection involves and how to prepare.
22 Jul 2025
EICR for Landlords: What the Law Requires
UK landlords must have electrical installations inspected every five years, or at each change of tenancy. Here is what the 2020 regulations require and what landlords must do when a report comes back unsatisfactory.
8 Jul 2025
What Happens If Your Home Fails an EICR?
An unsatisfactory EICR does not necessarily mean your home is dangerous. The outcome depends on the category codes assigned to each observation. Here is what they mean and what happens next.
24 Jun 2025
How Long Does a Full Rewire Take?
A full rewire typically takes between three and seven days depending on property size and whether you are living in the property during the work. Here is what affects the timeline.
10 Jun 2025
How Much Does a Rewire Cost in 2025?
A full house rewire typically costs between £3,000 and £8,000 depending on property size, the condition of the existing wiring, and whether the property is occupied during the work. Here is what drives the price and what to expect from a quote.
12 May 2025
What Is an EICR? A Plain-English Guide
An EICR is a formal check of your home's fixed wiring. Here's what it involves, what the report looks like, and when you need one.
10 May 2025
Signs Your Home Needs Rewiring
Old wiring can be a serious fire hazard. Here are the warning signs your home's electrics need attention, and what a full or partial rewire involves.
8 May 2025
EV Charger Installation: What to Expect
Installing a home EV charger takes 2-4 hours and will cost £500-£1,000 fully fitted. Here's what's involved, what to look for, and how to claim the OZEV grant.
5 May 2025
Do I Need a Consumer Unit Upgrade?
Old fuse boxes can be a fire risk and won't pass an EICR. Here's how to tell if your consumer unit needs replacing, what the upgrade involves, and what it costs.
1 May 2025
How Much Does an EICR Cost in London?
EICR prices in London typically run £150-£350 for a standard 3-bedroom house. Here's what drives the cost, what the codes mean, and what to watch out for.
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