Smoke & Heat Alarms

We install smoke alarms and heat alarms as part of domestic and other electrical projects.

If you're renovating, rewiring or upgrading a property, we can discuss your alarm requirements as part of the wider electrical work.

Electrical services

House Rewires

House Rewiring House rewiring is one of our primary areas of work. We carry out domestic electrical rewiring for houses, apartments, renovations and older properties throughout ...

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Commercial Rewires

We undertake commercial rewiring projects for businesses, commercial properties and refurbishment projects. Our qualified electricians can lead commercial projects alongside app...

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Consumer Unit Upgrades

The consumer unit is an important part of a property's electrical installation. If your consumer unit is outdated, damaged or unsuitable for the requirements of the property, an...

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Electrical Testing

Electrical Testing T J O'Brien Electrical provides electrical testing services for domestic and commercial customers. We are QC certified for testing. Testing requirements can v...

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