Plumbers in Donegal: Local, RGI-Registered, From Letterkenny to Dunfanaghy

Browse the directory on this page and narrow it to your own town or area, then contact a local plumber directly by phone or email. There are 20 plumbers listed across Co. Donegal, covering Letterkenny and the surrounding towns. For any gas work, choose an RGI-registered gas installer and confirm the registration number before the job starts.

As a rough 2026 guide, plumbers in Donegal charge €60 to €100 per hour for standard call-outs, €80 to €150 for emergencies, €2,200 to €3,200 for a new combi boiler installed, and €4,500 to €9,000 for a full bathroom fit-out. Get written quotes from two or three local plumbers before committing to significant work.

For gas boiler installation and any notifiable gas work in Donegal, you are legally required to use an RGI (Registered Gas Installer) contractor. For general plumbing such as burst pipes, leaks, bathroom fitting and central heating, RGI registration is not a legal requirement, but it is a strong indicator of a professional plumber.

Letterkenny is the commercial hub and has the largest concentration of plumbing contractors in the county. Donegal Town serves the south, Buncrana and Carndonagh cover the Inishowen Peninsula. Killybegs and Ardara have local contractors. For the more remote areas of the Rosses, Gweedore and Glenveagh, advance planning for non-emergency work is strongly recommended. For non-emergency planned work, most contractors in Donegal book one to two weeks ahead. For genuine emergencies like burst pipes or no heating in winter, same-day response is generally available from the main urban centres in the county.

Most homes in Co. Donegal are on oil-fired heating, making it one of the strongest counties for SEAI heat pump conversion. The One Stop Shop scheme pays up to €12,500 towards a qualifying heat pump, covering the unit, the heating upgrades it needs and a BER assessment. Homes built before 2011 heated by oil or solid fuel are typically eligible. Applications are made through the SEAI website and require a registered contractor to carry out the works.

Donegal has extremely soft, low-mineral water from its mountain catchments, particularly in the west and north of the county. This soft water is easy on appliances but can cause accelerated corrosion in copper systems over time, particularly where inhibitor levels are not maintained. Coastal properties face salt air corrosion on exposed metalwork. Donegal faces the full force of the North Atlantic, with some of the highest wind speeds in Ireland recorded on the Fanad and Malin Head peninsulas. Outdoor pipe runs, boiler flue terminals and external connections need to be rated for extreme weather. Heavy snowfall is possible in the Derryveagh and Bluestack Mountains in winter. Together these mean the most common call-outs in Donegal are burst or frozen pipes in cold weather, boiler scale and efficiency loss, blocked drains, and low water pressure in older homes.

For any job over €500, yes. Two or three quotes in Donegal give you a realistic picture of the going rate and help spot outliers, both suspiciously cheap quotes and overpriced ones. For emergency repairs, still ask for the call-out fee and hourly rate before the plumber arrives.

Most plumbers in Donegal charge a call-out fee of €80 to €150, which covers travel and the first 30 to 60 minutes of labour, and applies even if the job turns out to be minor. Always ask about the fee before the plumber comes out, and get it in writing if the total is likely to exceed €300.