Onecall Electrical & Plumbing

Saving You Time & Money

Ideally located in Coachford, Co. Cork; Onecall Electrical & Plumbing is owned and operated by Diarmuid Casey, a RECI registered electrician and plumber. What sets Onecall apart from others is our unique expertise in all aspects of electrical, heating, plumbing, solar & wood pellet installation and servicing. Onecall is a registered contractor under the Better Energy Homes scheme for high efficiency oil boiler with heating controls upgrade, heating controls upgrade only and solar heating.

At Onecall, our main focus has always been service and maintenance with an inclination towards focusing on the smaller jobs that other contractors seem to leave behind.

general servicing

General Servicing

At Onecall Electrical & Plumbing we are fully insured electrical and plumbing contractors, qualified to carry out all types of work on your electrical and plumbing systems.

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electric showers

Electric Showers

Onecall Electrical & Plumbing can work on both the electrical and plumbing aspects of your shower; we are registered with Safe Electric and insured to do so.

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solar panels

Solar Panels

Onecall Electrical & Plumbing supplies, installs and services a range of solar thermal and solar PV products, with a comprehensive repair service offered for existing installs.

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wood pellet stoves

Wood Pellet Stoves

Thanks to their elegant design, wood pellet stoves are able to blend seamlessly into almost any interior design concept. Onecall Electrical & Plumbing supply and install ...

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oil boilers

Oil Boilers

At Onecall Electrical & Plumbing we are fully trained and insured to carry out installations, maintenance and repair works on oil boiler systems. Our services are available ...

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water pump

Water Pumps

Onecall Electrical & Plumbing offer a complete maintenance and repair service for your water pumps. All our tradesmen have been trained to the highest standard so you are ...

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Contact Onecall Electrical & Plumbing for all your electrical, plumbing, heating and solar needs. We cover the whole of Cork including Macroom, Coachford, Ballincollig, Mallow, Farran, Donoughmore, Blarney, Bweeng, Dromahane, Cork City, Inniscarra, Dripsey, Buttevant, Charleville and more.

Save Time:

When working with Onecall you eliminate the need for time consuming phone calls and meetings with several companies to co-ordinate your electrical, heating, plumbing and solar installation or servicing. This is especially beneficial for breakdowns where you are unsure whether the issue is stemming from your plumbing, heating or electrical components.
We also bypass the logistical difficulties of getting various tradesmen on site together.

 Save Money:

When working with Onecall you save money by not having to make multiple call outs. For example, if you are having a new shower installed; we can carry out both the electrical and plumbing work ensuring the work in a fast and efficient manner.

Our Services

  • Emergency Call Outs

  • Periodic Inspections

  • Immersion Heaters

  • Smoke/Heat detectors

  • Burst Pipe and Leak Repairs

  • Toilet, Tap, Shower and Pump Repairs & Installation

  • Fuse Board Testing & Upgrades

  • Fire Alarm Repairs & Installation

  • Security Lighting/Garden Lights

  • Central Heating Repairs & Installation

  • Wood Pellet Stove/Boiler Servicing & Installation

  • Solar Thermal, Solar PV Installation & Servicing

  • Solid Fuel Stoves

  • Agricultural Installations & Repairs

  • Boiler Servicing (Firebird, Grant, Warmflow, Saturn oil boilers)


  • safe electric
  • hpai


" Diarmuid is a highly reliable, hardworking, methodical and professional individual. He is a pleasure to deal with and is extremely helpful at offering advice and opinions. Due to the fact that Diarmuid provides both electrical and plumbing services this offers a very competitive advantage over other providers. This saves both time and money for the person requiring the service. We would recommend him to everyone. "

Reg & Teresa


" Diarmuid did a fantastic job in my house. He was very punctual and very reasonable. 

I would highly recommend him to anyone. "

Mark O Sullivan


" Excellent. Called him out on a Sunday and he was out to me with in an hour. Great service, pleasure to deal with. Says he be out and he is. And all ways on time. Would highly recommend this guy to anyone. "

Bethany Foenander