Electrical Contractors in Greater London (128)

Need electrical work done in London?

Whether it’s a full rewire, adding an EV charger, or sorting out a blown fuse, finding the right electrical contractor makes all the difference. At Checkatrade, you’ll find electrical contractors covering your local area who have been checked, reviewed, and rated by real homeowners.

Electrical contractors in London

From day-to-day fixes to large-scale projects, electrical contractors in London can handle it. Every job comes with peace of mind: clear pricing, qualifications you can check upfront, and if you book through Checkatrade, you’re covered by our 12-month guarantee (eligibility criteria and T&Cs apply).

What to expect from hiring an electrical contractor in London

Electrical contractors in London cover a wide range of jobs:

• Rewiring homes and businesses
• Installing EV chargers
• Adding indoor and outdoor lighting
• Fitting fire alarms, smoke and CO detectors
• Smart home systems and security upgrades
• Electrical panels, outlets, and switches

Average costs in London

Electrical Installation Condition Report (EICR): £150 - £375 (home), £30 - £50 per circuit (commercial)

Fire alarm installation: £1,750 - £3,000

Hourly rates: £45 - £60

Daily rates: Around £400

Emergency call-outs: £80 - £100

What's included in a typical quote?

• Labour
• Materials
• VAT
• Any call-out fees

Qualifications to check for

• ECS card (proves training and competence)
• NICEIC registration (regularly assessed to meet UK safety standards)
• Public Liability Insurance

How long does electrical work typically take?

Small fixes (switches, sockets, lighting): A couple of hours

EICR: 2 - 4 hours depending on property size

Full rewire: 5 - 10 days depending on complexity

Electrical contractors in London: Homeowners vs renters

For homeowners:

• You’re responsible for ensuring work complies with building regulations.
• Small jobs (like replacing a switch) usually don’t need permission, but listed buildings may.
• Always get a written quote before work begins.

For renters:

• Electrical safety is usually the landlord’s responsibility.
• Report faults (like faulty wiring or broken sockets) to your landlord or managing agent.
• Only attempt small tasks (like changing bulbs) yourself.

Emergency electrical contractors in London

Some electrical problems can’t wait. Contractors in London often provide 24/7 emergency call-outs for:

• Power cuts
• Tripped circuits and faulty wiring
• Burning smells from sockets or appliances
• Electrical faults that could be a fire risk

Simply post a job to get started.

Find electrical contractors for the job you need in London

Common jobs people in London search for:

• Full or partial rewires
• Fuse box upgrades
• Indoor and outdoor lighting
• Security systems and CCTV
• EV charger installation
• Fire alarms and smoke detectors
• Smart home installations

Enter your postcode to start your search.