22 Best Electricians in Cardiff for 2026

⚡ 22 businesses · 📍 Cardiff
✓ Verified Google reviews · ✓ Reviewed regularly · ✓ Updated 29 May 2026
Mark Reid
Written by Mark Reid, Trades Editor · Verified 29 May 2026
Cardiff's housing stock is genuinely varied, and that matters when you're calling an electrician. The city mixes Victorian terraces in Roath and Canton with post-war semis across Llanishen and Rumney, newer builds in Cardiff Bay, and rural-edged properties out towards Pentyrch and St Fagans. That variety means electrical jobs here can range from untangling decades-old knob-and-tube wiring in an Edwardian bay-fronted house to installing a smart consumer unit in a brand-new development or fitting EV charging points on a modern driveway. Welsh weather doesn't help either. Damp winters and older cavity-wall construction mean moisture ingress around outdoor sockets and garage supplies is a fairly common callout. It's worth knowing what kind of property you have before you pick up the phone, because the right electrician for a straightforward socket installation in a new-build in Pontprennau isn't necessarily the same one you want rewiring a three-storey terrace in Pontcanna.

The businesses on this page were drawn from third-party business listings and ranked by public review rating and review count, with a small lift given to those showing a working website and phone number. We read each business's homepage to confirm that electrical work is what they primarily offer, which is how unrelated trades get filtered out. Any listing flagged as permanently closed is removed automatically. Where you see a Trust Verified badge on an individual business, that company has gone further and passed our full verification process, covering trade qualifications and accreditations, public liability insurance, trading history, customer review history, and registered company information. You can see exactly what that involves on our How We Verify page. For any business on this page that doesn't carry that badge, those checks haven't been carried out by us, and it's on you to do them before you book.

Before you commit to any electrician, ask a few straightforward questions. First, are they registered with a competent person scheme such as NICEIC, NAPIT, or ELECSA? Scheme members can self-certify notifiable work, which means they'll issue you an Electrical Installation Certificate without you needing to involve the local authority. That paperwork matters when you sell your home. Second, ask for proof of public liability insurance. Third, for larger jobs like a full rewire or a new consumer unit, get at least two or three quotes. Prices vary quite a bit in Cardiff: a consumer unit replacement in a two-bedroom flat might run from around £350 to £600 depending on the spec and the firm, while a full rewire on a four-bedroom terrace could range from roughly £3,500 to over £6,000. Getting quotes in writing, with a clear scope of work, protects everyone.
How We Select & Rate The Best Electricians in Cardiff

Rankings on this page are driven by public review rating and review count pulled from third-party business listings, with a small lift applied to businesses that have a working website and phone number. We check each business's homepage to confirm that electrical work is what they primarily offer, which keeps unrelated trades off the page. Listings flagged as permanently closed are removed automatically. Businesses carrying a Trust Verified badge have additionally passed our full verification covering qualifications, insurance, trading history, customer review history, and registered company information. See our How We Verify page for the complete list. All other businesses on this page have not been independently verified by us, and inclusion is not an endorsement. Always do your own checks before hiring.

Positions 1–5 (Recommended and Featured) may be paid placements. Every other listing is ranked on rating and review count from third-party business listings. How we rank & verify →

Quick Comparison — Electricians in Cardiff

# Business Rating Reviews Phone
1 Assured Electrical Solutions Recommended ⭐ 4.9 552 +44 29 2168 2628 View →
2 12 Electrical & Emergency Electrician Featured ⭐ 5.0 362 +44 7847 111570 View →
3 Electricall South Wales Featured ⭐ 4.9 217 +44 29 2252 5869 View →
4 Lightwork Electrical Featured ⭐ 5.0 129 +44 7415 121422 View →
5 J. Rees Electrical Ltd Featured ⭐ 5.0 126 +44 7584 189106 View →
6 GABE Electrical Ltd ⭐ 5.0 105 +44 7894 349680 View →
7 Reliable Electrician ⭐ 5.0 71 +44 7789 998480 View →
8 Heathwood Electrics ⭐ 5.0 61 +44 7964 430030 View →
9 NDL Electrical Limited ⭐ 5.0 53 +44 29 2002 7866 View →
10 SP Electrical (South Wales) ⭐ 4.9 55 +44 7875 514440 View →
11 Cardiff Electrical Home Rewire Ltd ⭐ 4.9 46 +44 333 323 1998 View →
12 CAG Electrical Ltd ⭐ 5.0 34 +44 29 2002 5595 View →
13 Sonik Electrical ⭐ 4.8 44 +44 29 2240 8724 View →
14 Cardiff-Electrician.com ⭐ 4.8 38 +44 29 2000 1399 View →
15 Gavin Owen Electrical Services ⭐ 5.0 21 +44 7860 657935 View →
16 Pierce Electric ⭐ 5.0 15 +44 7598 341111 View →
17 R Tarr Electrical ⭐ 4.8 17 +44 7766 981674 View →
18 M+B Electrics ⭐ 5.0 6 +44 7568 327271 View →
19 M D T Electrical Ltd ⭐ 5.0 5 +44 29 2034 2229 View →
20 Evans Electrical Ltd ⭐ 4.8 8 +44 29 2049 3307 View →
21 Be Assured Electrical ⭐ 5.0 4 +44 7873 319536 View →
22 Dragon Electrics Ltd ⭐ 5.0 3 +44 7495 749296 View →

Our Top Picks

6
GABE Electrical Ltd
Not Verified
5.0 (105 reviews)
Cardiff +44 7894 349680

GABE Electrical Ltd provides comprehensive electrical services across Cardiff, handling everything from domestic installations to commercial electrical work. The company has earned a perfect 5-star rating from 105 verified customer reviews, reflecting their reliable service and professional approach. Their qualified electricians serve residential and business clients throughout the Cardiff area with a full range of electrical solutions.

Read more →
7
Reliable Electrician
Not Verified
5.0 (71 reviews)
Cardiff +44 7789 998480

Reliable Electrician provides electrical services throughout Cardiff, handling domestic and commercial installations, repairs, and maintenance work. The company has earned a perfect 5-star rating from 71 verified customer reviews on Google, reflecting their consistent service quality. Their qualified electricians serve homes and businesses across the Cardiff area with reliable electrical solutions.

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8
Heathwood Electrics
Not Verified
5.0 (61 reviews)
Cardiff +44 7964 430030

Heathwood Electrics provides professional electrical services to customers across Cardiff from their base on Heathwood Road. The company has earned a 5-star rating from 61 verified customer reviews, reflecting their reliable approach to residential and commercial electrical work. They serve the CF14 area and surrounding Cardiff districts with a comprehensive range of electrical solutions.

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9
NDL Electrical Limited
Not Verified
5.0 (53 reviews)

NDL Electrical Limited provides professional electrical services throughout Cardiff from their base in Rumney. The company has earned a perfect 5-star rating from 53 verified customer reviews, demonstrating their commitment to quality workmanship and customer satisfaction. Their experienced electricians handle a range of electrical installations, repairs, and maintenance work for residential and commercial clients across the Cardiff area.

Read more →
10
SP Electrical (South Wales)
Not Verified
4.9 (55 reviews)
Cardiff +44 7875 514440

SP Electrical (South Wales) provides professional electrical services to homes and businesses across Cardiff from their base in Birchgrove. The company has earned a strong reputation with a 4.9/5 star rating from 55 verified customer reviews. Their qualified electricians handle installations, repairs, and maintenance work throughout the Cardiff area.

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11
Cardiff Electrical Home Rewire Ltd
Not Verified
4.9 (46 reviews)

Cardiff Electrical Home Rewire Ltd provides electrical services throughout Cardiff, specialising in domestic rewiring projects for homeowners. The company maintains a strong reputation with a 4.9/5 star rating from 46 verified customer reviews. Their qualified electricians handle various electrical installations and repairs for residential properties across the Cardiff area.

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12
CAG Electrical Ltd
Not Verified
5.0 (34 reviews)

CAG Electrical Ltd provides professional electrical services to clients across Cardiff from their base in CF11. With a perfect 5-star rating from 34 verified customer reviews, the company handles residential and commercial electrical work throughout the local area.

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13
Sonik Electrical
Not Verified
4.8 (44 reviews)

Sonik Electrical provides professional electrical services to residential and commercial clients across Cardiff from their base in CF24. The company has earned a strong reputation with a 4.8 out of 5 star rating from 44 verified customer reviews on Google. Their qualified electricians handle installations, repairs, and maintenance work throughout the Cardiff area.

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14
Cardiff-Electrician.com
Not Verified
4.8 (38 reviews)

Cardiff-Electrician.com provides electrical services throughout Cardiff from their base on Lansdowne Road. With a 4.8/5 star rating from 38 verified customer reviews, they handle domestic and commercial electrical work across the CF5 area and surrounding Cardiff postcodes.

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15
Gavin Owen Electrical Services
Not Verified
5.0 (21 reviews)
Cardiff +44 7860 657935

Gavin Owen Electrical Services provides professional electrical work throughout Cardiff from their base in CF5. The company has earned a perfect 5-star rating from 21 verified customer reviews on Google. They handle domestic and commercial electrical installations, repairs, and maintenance for properties across the Cardiff area.

Read more →
16
Pierce Electric
Not Verified
5.0 (15 reviews)
Cardiff +44 7598 341111

Pierce Electric provides electrical services throughout Cardiff, maintaining a perfect 5-star rating from 15 verified customer reviews. The company offers professional electrical work for residential and commercial clients across the local area. Their established online presence and consistent customer feedback demonstrates their reliable service within the Cardiff community.

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17
R Tarr Electrical
Not Verified
4.8 (17 reviews)
Cardiff +44 7766 981674

R Tarr Electrical provides professional electrical services to Cardiff and surrounding areas from their Pontcanna base. The company maintains a strong reputation with a 4.8/5 star rating from 17 verified customer reviews. They handle both residential and commercial electrical work throughout the CF11 postcode area and beyond.

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18
M+B Electrics
Not Verified
5.0 (6 reviews)
Cardiff +44 7568 327271

M+B Electrics provides professional electrical services from their base in Rumney, Cardiff, serving clients across the CF3 area and surrounding districts. The company has earned a perfect 5-star rating from 6 verified customer reviews, reflecting their commitment to reliable workmanship and customer satisfaction. Their team handles a range of electrical installations, repairs and maintenance work for residential and commercial properties throughout Cardiff.

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19
M D T Electrical Ltd
Not Verified
5.0 (5 reviews)

M D T Electrical Ltd provides professional electrical services throughout Cardiff from their base on Penarth Road. The company has earned a perfect 5-star rating from 5 verified customer reviews, reflecting their commitment to quality workmanship and reliable service for both residential and commercial clients.

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20
Evans Electrical Ltd
Not Verified
4.8 (8 reviews)

Evans Electrical Ltd provides professional electrical services from their base on Waterloo Road in Pen-y-lan, Cardiff. The company has earned a 4.8 out of 5 star rating based on 8 verified customer reviews, reflecting their reliable service throughout the Cardiff area. They offer comprehensive electrical solutions for both domestic and commercial clients across the CF23 postcode and surrounding neighbourhoods.

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21
Be Assured Electrical
Not Verified
5.0 (4 reviews)
Cardiff +44 7873 319536

Be Assured Electrical provides professional electrical services to customers across Cardiff from their Pontcanna base. The company has earned a 5-star rating from 4 verified customer reviews, reflecting their commitment to quality workmanship. Their experienced electricians handle both residential and commercial electrical installations, repairs, and maintenance throughout the Cardiff area.

Read more →
22
Dragon Electrics Ltd
Not Verified
5.0 (3 reviews)
Cardiff +44 7495 749296

Dragon Electrics Ltd provides electrical services across Cardiff and Penarth, delivering professional solutions for residential and commercial properties. The company has earned a perfect 5-star rating from 3 verified customer reviews, reflecting their commitment to quality workmanship and reliable service throughout the local area.

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Transparency notice: Recommended (#1) and Featured (positions 2-5) listings may be paid placements, so a business's fee affects whether and where it appears in those positions. All other listings are ranked by a combined score drawn from ratings and review counts published on third-party business listings, plus basic completeness signals such as a working website and phone. A Trust Verified badge means we have independently checked that business's documents; businesses without it have not been independently verified by us. How we verify →

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Frequently Asked Questions

How much does a electricians cost in Cardiff?
Hourly rates for qualified electricians in Cardiff typically range from £45-75, with call-out fees of £60-90. Simple jobs like fitting new sockets cost £80-150, whilst a full house rewire runs £3,000-8,000 depending on property size and complexity. Consumer unit replacements usually cost £400-800. Prices vary based on the electrician's qualifications, job complexity, and materials needed. Always get two or three written quotes to compare both price and scope of work.
Do I need to use a certified electrician for electrical work in Cardiff?
Yes, most electrical work requires a qualified electrician who can issue the proper certificates. New circuits, consumer unit changes, and work in bathrooms or kitchens must be done by someone registered with a scheme like NICEIC, NAPIT, or ELECSA. They can self-certify the work and provide Building Regulations compliance certificates. Using unqualified electricians for notifiable work could affect your house insurance and resale value.
How long does a house rewire take in Cardiff?
A typical three-bedroom Cardiff terrace takes 5-7 days for a full rewire, though this depends on access and whether you're living in the property during the work. Victorian houses often take longer due to solid walls and unexpected complications. The electrician will need to coordinate with plasterers for making good afterwards. Partial rewires or just updating the consumer unit can usually be completed in 1-2 days.
Can I get same-day electrical repairs in Cardiff?
Many Cardiff electricians offer emergency callouts for urgent issues like complete power loss, burning smells, or sparking sockets. Expect to pay premium rates of £100-150 for emergency calls, especially evenings and weekends. For non-urgent repairs like broken light switches or additional sockets, most electricians can visit within a few days. Book ahead for larger jobs like shower installations or garden electrics.
Do Cardiff electricians install electric car charging points?
Many local electricians now install home EV charging points, with costs typically ranging from £800-1,500 including the unit and installation. The work requires updating your consumer unit if it's older, and checking your supply can handle the extra load. You'll need off-street parking and the charging point should be installed by an OLEV-approved electrician to qualify for any available grants.
How do I verify an electrician's credentials before hiring?
Check their registration on the NICEIC, NAPIT, or ELECSA websites using their membership number. Ask to see their qualification certificates and current public liability insurance (minimum £2 million coverage). Look up their Google reviews and check they're not mostly from the same period. Get written quotes that specify materials and labour separately, and don't pay large sums upfront. Legitimate electricians won't pressure you to sign contracts immediately.