EV Charger Installation
EV Charger Installationin Stevenage & Hertfordshire
A dedicated, properly certified charging point fitted at home or work, sized correctly for your supply, tested fully and backed by a 12-month workmanship guarantee.
Rated 4.95 out of 5 on TrustATrader · 20 years in the trade
20 yrs
experience
4.95/5
TrustATrader rating
£10m
public liability cover
12 mo
workmanship guarantee
100%
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The service
EV charging done properly
Installing an EV charger isn't just mounting a box on a wall; it means checking your property's electrical supply can take the extra load, running a dedicated circuit back to the consumer unit, and fitting protection suited to outdoor and vehicle-charging use. Linehan Mechanical & Electrical Ltd installs EV chargers for homes and businesses across Stevenage, Hertfordshire, Bedfordshire, Cambridgeshire and London.
Gary Linehan has 20 years' experience in the trade, and installations are carried out to BS 7671 wiring regulations by an NICEIC Approved Contractor, with £10m public liability insurance in place.
Every EV charger installation is quoted per job rather than given a generic 'from' price, because the right answer depends on your existing consumer unit, the distance from the board to the parking space, the type of supply to the property, and the charger you've chosen. A free quote, usually following a short site visit, gives you an exact cost before anything is booked.
Workplace installs are similarly assessed on site, since multiple chargers, load management between units, and three-phase supplies all change the scope significantly compared with a single domestic installation.
If it's left
Things to get right with EV charger installation
EV charger installation looks simple from the outside, but there are several things that determine whether it's done safely and reliably.
Undersized consumer unit or supply
Adding an EV charger to a board with no spare capacity, or a supply not rated for the extra load, can cause overloading if not assessed properly first.
Incorrect earthing arrangement
EV chargers need the correct earthing solution for outdoor use | getting this wrong is a genuine safety issue, not just a technicality.
Cable run length and routing
A long or poorly routed cable run from the consumer unit to the charger increases cost and, if not sized correctly, can cause voltage drop.
Unqualified installation
EV charger installation is notifiable electrical work | an installer without the right accreditation can leave you without valid certification.
No load management for multiple chargers
Workplaces or multi-vehicle households installing more than one charger need load management to avoid overloading the supply when charging at the same time.
Ignoring the existing installation's condition
Installing a charger on an old or faulty consumer unit without addressing underlying issues first just adds load to a weak point.
Common mistakes we see
- ×Choosing a charger before checking what your supply can support
- ×Assuming any electrician can install an EV charger without proper assessment
- ×Mounting the charger somewhere that makes future cable maintenance difficult
- ×Not asking for a site visit before getting a quote
- ×Ignoring an old consumer unit that should be upgraded first
- ×Skipping testing and certification to save time
How we work
How an EV charger installation runs
- 01
Site visit and assessment
A free site visit checks your consumer unit, supply type and the distance from the board to where the charger will be fitted.
- 02
Quote
Based on the assessment, you get a clear quote for the exact job | the charger, cable run, and any consumer unit work needed.
- 03
Installation
A dedicated circuit is run from the consumer unit to the charger, with the correct earthing arrangement and RCD protection fitted.
- 04
Testing and commissioning
The circuit and charger are tested fully before being signed off as safe and ready to use.
- 05
Certification and guarantee
You receive certification for the installation, which is guaranteed for 12 months. The charger carries its own manufacturer warranty, which varies by product.
What you get
Why install your charger with Linehan Electrical
Properly assessed, not guessed at
A site visit checks your actual supply and consumer unit before any quote is given, avoiding surprises later.
Safe, compliant installation
Work carried out to BS 7671 with the correct earthing and protection for outdoor EV charging.
Built to last
A correctly sized, properly earthed installation is more reliable over years of daily charging than a rushed fit.
One quote, no vague pricing
EV chargers are quoted per job, giving you an exact figure rather than a 'from' price that doesn't match your property.
Fully tested and certified
Every installation is tested and documented, giving you paperwork for warranty or insurance purposes.
12-month guarantee
Workmanship is guaranteed for 12 months, on top of the charger manufacturer's own warranty.
In detail
What EV charger installation involves
Here's a closer look at the technical side of installing a charger properly.
Assessing the supply
Before quoting, the existing consumer unit and incoming supply are checked to confirm there's spare capacity for the charger's load, typically 7kW for a single-phase domestic unit. Where capacity is tight, options include upgrading the consumer unit or fitting load management that limits the charger's draw at peak times.
The type of earthing arrangement at the property (TN-C-S, TN-S or TT) determines what additional earthing equipment, such as an earth rod, may be needed for safe outdoor charging; this is assessed on site, not assumed.
Cable run and mounting
A dedicated circuit is run from the consumer unit to the charger location, sized for the cable length and load to avoid voltage drop. Cable can be run through lofts, under floors, or externally in weatherproof containment, depending on the property's layout.
The charger itself is mounted at a practical height and location, usually on an exterior wall near the parking space, or on a dedicated post where there's no suitable wall.
Protection and compliance
EV charging circuits are protected by a dedicated RCD or the RCD built into many chargers, plus overcurrent protection sized to the circuit. The installation is notified and certified in line with Part P of the Building Regulations and BS 7671 requirements specific to EV charge points.
Outdoor equipment is also rated for the environment it's fitted in (typically IP54 or higher), to cope with weather exposure over the charger's working life.
Domestic vs workplace installations
A single domestic charger is usually completed in one visit once the quote is agreed. Workplace installations with multiple charge points need more planning: load management between units, possibly a three-phase supply, and coordination around car park layout and cable routing.
Fleet or multi-unit sites are assessed individually, since the number of vehicles charging simultaneously changes the design significantly compared with a single home charger.
What affects the price
Because every property is different, EV charger installation is quoted per job rather than given a 'from' price. Factors that affect cost include the distance from the consumer unit to the charger, whether the existing consumer unit needs upgrading first, the earthing arrangement required, and the charger model chosen.
A site visit before quoting means the price given reflects the actual job, rather than a generic estimate that changes once work starts.
Related services
Questions
Frequently asked questions
How much does EV charger installation cost?
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EV chargers are quoted per job rather than given a 'from' price, because cost depends on your supply, consumer unit, cable run and the charger chosen. A free site visit gives you an exact quote.
Do you provide a free quote?
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Yes, EV charger quotes typically follow a short site visit to check your consumer unit and supply, which is free of charge.
How long does installation take?
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This depends on your supply, consumer unit and the work involved. Timescales are confirmed as part of the quote.
Is the installation guaranteed?
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Yes, workmanship is guaranteed for 12 months. The charger itself carries its own manufacturer warranty, which varies by product.
Will my existing consumer unit need upgrading?
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Sometimes. Older or full consumer units may need upgrading to safely take an EV charger's load; this is checked during the site visit and quoted separately if needed.
Can you install chargers for businesses?
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Yes, workplace and multi-unit installations are assessed individually, including load management where multiple chargers are fitted.
Can I call to arrange a visit outside office hours?
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The phone line is answered 24 hours a day on +44 7855 954229, so you can call whenever suits you to arrange a quote.
Do you install chargers across Hertfordshire?
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Yes, EV charger installation is carried out across Stevenage, Hertfordshire, Bedfordshire, Cambridgeshire and London.
Do I need a specific type of charger?
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The right charger depends on your vehicle, supply and budget; this is discussed as part of the quote, rather than a single option being pushed on every job.
What happens if my supply can't handle a charger?
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Options such as a consumer unit upgrade or load management are explained during the quote, so you understand the full cost before deciding.
Get a free EV charger quote
Arrange a free site visit to get an exact quote for your EV charger installation. Call Gary any time on +44 7855 954229.
- NICEIC Approved Contractor
- 12-month workmanship guarantee
- 4.95 on TrustATrader