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02920 022 870

99.8 % of calls answered in 8 rings!

ELECTRICAL REPAIRS

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...in Cardiff & Surrounds

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Welcome to M.J. Harris Electrical. We're a family run business offering repairs, upgrades & Installations by NICEIC Approved Electricians in Cardiff. 

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Our electricians live locally in Cardiff for a FAST RESPONSE. They're also fully employed by us for RELIABILITY and our customers' SAFETY!

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Fault Finding

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Internal/External

Lighting

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Rewires

Consumer Units

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Extra Sockets

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Testing & Electrical Safety Certificates

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OAP DISCOUNTS

FAST RESPONSE

FIXED PRICE

 QUOTES

COVID-19 - WE ARE OPEN & FULLY OPERATIONAL!

Our Service

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Your engineer will call within 1 hour of arrival

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You'll receive a

fixed price quote 

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For any repairs, we'll provide a

3 month guarantee

1st Party Reviews!

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4.7/5

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"Just wanted to say how nice it was to have Matthew and Richard around. They were patient, super nice and explained everything in detail"

- Mrs Daunte, Cardiff

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M.J. Harris Repairs is an Introducer Appointed Representative of TradeHelp for the purpose of credit broking introductions only. Our firm reference number is1025479. TradeHelp is a trading style of TradeHelp Ltd, Marchwiel Centre, Bryn Lane, Wrexham Ind Est, LL13 9UT, registered in England (03712438), authorised and regulated by the Financial Conduct Authority (firm reference number 697812). TradeHelp are a credit broker, not a lender, and offer loans from a small panel of carefully selected lenders. TradeHelp do not offer financial advice and do not charge you for credit broking services. All loans are subject to status.

Terms & Conditions

Complaints Procedure

Privacy Policy / Cookie Policy 

Copyright © 2025 M.J. Harris Repairs Ltd. All rights reserved.

MJ Harris Domestic Repairs is a trading name of M.J. Harris Repairs Ltd.

Reg no: 6906747

VAT Reg No: 935490701

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