Your Local Electricians for Repairs & Maintenance
Serving London, Kingston and Surrey areas
Providing comprehensive repairs, and scheduled maintenance services across London, Kingston, and Surrey. Our certified electricians deliver high-quality, compliant solutions for residential, commercial, and industrial clients, ensuring the safety, efficiency, and operational integrity of your electrical systems.
Our repair and maintenance services cover detailed electrical fault diagnosis (fault finding), consumer unit upgrades, adherence to wiring regulations (BS 7671), issuing Electrical Installation Condition Reports (EICRs), and routine preventative maintenance. Rely on professional execution and technical expertise for all your electrical requirements.
Think of us as your local partners in keeping your property safe, compliant, and working perfectly.
Trustindex verifies that the original source of the review is Checkatrade.
Great Service. Richard and young apprentice arrived on time assessed the issue and quickly concluded that the issue was caused by old lights which were faulty. They replaced with new lights and tidied up all the cabling. They were polite and very clean. Would recommend them and use their services again.Trustindex verifies that the original source of the review is Checkatrade.
Reliable, Professional & Goes the Extra Mile I can’t recommend Tony and his team highly enough. From start to finish, they were professional, dedicated, and incredibly hardworking. We had a tricky electrical issue, but they didn’t give up—they methodically worked through the problem with real determination until the end. On top of that, they installed our new oven perfectly, making sure everything was safe. What really stood out was their attention to detail and willingness to go the extra mile to get things right rather than rushing the job. If you’re looking for reliable electricians these are the people to call.Trustindex verifies that the original source of the review is Checkatrade.
Domestic electrical works I found the electrician very polite and courteous (including wearing protective shoe coverings whilst in the house). He was late arriving however managed my expectations by contacting me in advance to let me know. Work to replace a spur and outside security light were completed with the minimum of fuss and electrician cleaned up after himself. I asked him about another job (which I had not previously mentioned) but this could not be completed (needed parts) however he advised what needs to happen to sort it, which will require another visit. I recommend their services.Posted on Google
24 October 2025Trustindex verifies that the original source of the review is Google.
Excellent service, even if only to change a faulty light bulb! Arrived within a couple of hours. Very friendly. I hope they laughed as much as I did at my stupidity using dodgy bulbs and thinking it was a more serious problem. I blame old age! Thank you.Posted on Trustatrader
18 September 2025Trustindex verifies that the original source of the review is Trustatrader.
I am so happy with the work done for me by this company. Even though the work I needed done was quite small, the engineer sent was very pleasant, polite and professional. He replaced the batteries in my smoke alarms and replaced the light pendant in one of the bedrooms with ease. He took time to answer questions I had, cleaned up the little mess left while removing the light pendant and checked that everything was in good working order before he left. I think I have found my go to company for dealing with any electrical issues I may have in the future. I am very happy to recommend this company to anyone wanting good service for a reasonable price.Posted on Google
21 August 2025Trustindex verifies that the original source of the review is Google.
I have just used ths for my mum, to rewire her lighting circuit and new fuse box. Tony and his guys were absolutely brilliant, they've done an outstanding job, my mum is over the moon. But more importantly they were very respectful and helpful towards her as she's not in the best of health. I would 100% recommend very well priced and lovely fellas to boot. I would give more stars if I could.Posted on Trustatrader
6 March 2025Trustindex verifies that the original source of the review is Trustatrader.
I called THS Electrical Services to ask if they were free the following day to replace a faulty light switch and replace a broken outside light. Richard Ha asked me to provide a photo of the broken light which I did by email and he responded by return email with a price which I agreed. He arrived at the appointed time and thoughtfully applied plastic shoe covers before coming into the house. He fixed and tested the faulty light switch quickly. Replacing the broken light with the new PIR version I had purchased took a little longer as it was a bright sunny day and mimicking the dark and movement required for the PIR to work was tricky but Richard persevered and got it working to my satisfaction. I was extremely impressed with Richard's clear and prompt communications skills and his professional approach. He even sent a text next morning to check the light was working OK, which it was. I highly recommend this company and Richard in particular.
Our repairs & maintenance services cover
Troubleshooting & Diagnostics
We quickly diagnose and fix faults to keep your home or business safe and running smoothly.
Wiring & Circuit Repairs
We repair or replace faulty wiring, damaged circuits, and malfunctioning electrical components.
Electrical Appliances
Repair faulty appliances safely and professionally. We can install, collect and dispose of your old one as well.
Electrical Panel Maintenance
We inspect your electrical panel and identify any signs of wear or potential issues. Providing upgrades or repair for better safety and easy fault detection.
Lighting System
From lighting repairs to power system upgrades, we keep your lighting running smoothly with expert maintenance and fixes.
PAT Testing
Ensure your electrical appliances are safe and compliant with professional PAT testing. Essential for homes and businesses alike.
Why choose us?
- 1-Hour Response
- 24/7 Emergency callout
- 12 Month Guarantee
- Excellent Customer Service
- Excellent Reviews
- Free Estimates
- Fully Qualified & Certified
Electrical maintenance & repairs London

Domestic maintenance & repair services
At THS Electrical, we take pride in offering high-quality domestic electrical installation services. Whether it's upgrading an electrical panel, installing lighting fixtures, or interconnecting all your devices, we handle every project with precision and utmost care.

Commercial maintenance & repair services
As a leading provider in the industry, we understand the unique demands of businesses. From large-scale office complexes to retail spaces and industrial facilities, we have the expertise to handle projects of all sizes and complexities.

Industrial maintenance & repair services
We understand the critical importance of safety, efficiency, and adherence to strict regulations in industrial environments ranging from manufacturing plants and warehouses to data centres, refineries, and other large-scale facilities.
Electrical repairs & maintenance FAQs
How quickly can you get someone to me?
We prioritise emergency call-outs across London. While traffic and location affect exact times, we aim to have an electrician with you as quickly as possible, typically within 1 hour for emergencies. Please call 020 3838 0588 immediately.
Why does my RCD keep tripping whenever I use the kettle in my kitchen?
Absolutely. This is a common issue often caused by a faulty appliance or a problem within the circuit. Our electricians are experts in electrical fault finding and can diagnose and resolve the cause of your tripping RCD safely.
Should i upgrade my fuse box that still has wire fuses?
We strongly recommend upgrading older fuse boxes (especially those with rewireable fuses) to modern consumer units with RCD and MCB protection. These offer significantly better protection against electric shock and fire. We provide fuse box upgrades London and can advise on the best unit for your needs.
