Hertford EV Charger Installation: DIY or Hire a Pro - What’s Safe, Legal, and Cost-Effective?

Should you install an EV charger yourself in Hertford? Discover the safe, legal, and cost-effective way — plus a free cost calculator for instant pricing.

If you’ve recently switched to an electric vehicle in Hertford, you’re probably enjoying the quiet, smooth drive and low running costs. But charging from a 3-pin plug isn’t exactly efficient — it’s slow, inconvenient, and not the safest option for daily use.
Installing a dedicated EV charger at home is the obvious next step. The question is: should you try to install it yourself or hire a professional? This guide breaks down the facts so you can make a safe, informed, and cost-effective choice.

1. Can You Legally Install an EV Charger Yourself? 

In the UK, EV charger installation is classed as notifiable electrical work under Part P of the Building Regulations. That means it must be:

• Carried out by a qualified electrician registered with a competent person scheme (such as NAPIT).
• Tested and certified to meet the IET Wiring Regulations (BS 7671).

DIY installation without the correct qualifications is not only unsafe — it’s illegal. It can also:

• Void your charger’s warranty.
• Invalidate your home insurance.
• Put your household at serious risk.

2. Why Professional Installation is Worth It 

Hiring a qualified installer in Hertford ensures:

• Safety – Proper earthing, surge protection, and fault detection.
• Compliance – Full certification and compliance with UK regulations.
• Performance – Optimal charger location, cable routing, and smart setup.
• Future-Proofing – Advice on smart chargers, solar integration, and load balancing.

3. How Much Does a Professional EV Charger Installation Cost? 

Costs depend on:

• Charger brand and model.
• Tethered vs untethered design.
• Distance between consumer unit and charger location.
• Electrical upgrades (e.g., adding an EV-dedicated consumer unit).

Rather than guess, you can use our free EV Charger Cost Calculator to get a personalised estimate in less than two minutes.

4. Electrical Upgrades You Might Need Before Installation 

Many Hertford homes are ready for EV charging, but some need upgrades, such as:

• An 18th Edition EV-dedicated consumer unit.
• Surge protection devices (SPDs).
• Upgraded earthing arrangements.

Your installer will check all of this during a site survey.

5. Choosing the Right EV Charger for Your Hertford Home 

• Tethered Chargers – Built-in cable, quick to plug in, less flexible in cable length.
• Untethered Chargers – Socket only, tidier look, compatible with different cable types.

Most homeowners choose a 7kW smart charger, which is fast, efficient, and compatible with UK single-phase supply.

6. Smart Features That Add Value 

When choosing a charger, consider:

• App-based control for starting/stopping remotely.
• Scheduled charging for off-peak electricity rates.
• Load balancing to protect your supply.
• Solar compatibility to use surplus solar energy for charging.

7. The Step-by-Step Professional Installation Process 

• Free Site Survey  – Assess your electrics, discuss your charging needs, agree on location.
• Quotation – Transparent breakdown plus cost calculator link for comparisons.
• Installation Day – Neat, compliant, and efficient work.
• Demonstration – How to use your charger and any app features.
• Certification – You receive all necessary electrical paperwork.

8. Are There Grants or Incentives in Hertford? 

Grants remain for:

• Flat owners and renters – Up to £350 off under the OZEV scheme.
• Businesses – Workplace Charging Scheme for staff/fleet chargers.

Some installs qualify for reduced VAT — your installer will confirm if you’re eligible.

9. Common Mistakes to Avoid 

• Attempting DIY installation without qualifications.
• Buying a charger without checking your home’s electrical capacity.
• Installing in a location that’s awkward to access.
• Skipping smart features that could save money.

Your Next Step 

If you’re ready to make home EV charging safe, fast, and convenient, the first step is knowing your installation cost. Get your instant, tailored estimate now with our free EV Charger Cost Calculator. Once you’ve got your figure, call 01992 276121 to arrange your free survey. Our local, NAPIT-accredited team can often have your charger installed within 24 hours.