Wet and electric systems · Donegal
Underfloor Heating in Donegal: New-Build and Heat Pump Systems
Find a local installer for new-build wet underfloor heating, heat pump systems or an electric retrofit across Donegal. 2026 prices per m², SEAI guidance and plumbers from Letterkenny to Dunfanaghy.
The basics
Wet or Electric: What Underfloor Heating in Donegal Involves
Underfloor heating in Donegal comes in two forms. Wet systems circulate warm water through pipes laid in the floor screed, running off a boiler or, ideally, a heat pump, and suit whole houses, new builds and extensions. Electric systems use thin heating mats or cable under tile, and suit bathrooms and single-room retrofits. Which one suits your home comes down to how much floor area you are heating and what your heat source is.
The installers listed here cover the whole county, taking in Letterkenny, Donegal town, Bundoran, Buncrana, Ballybofey, Dungloe, Killybegs and Carndonagh. Enquire directly about wet, electric or low-profile retrofit systems.
How Long Does Underfloor Heating Take in Donegal?
A wet single-storey system takes two to four days plus screed curing. An electric bathroom mat is usually a one-day fit under the tiler.
SEAI Grants for Donegal Homeowners in 2026
Up to €6,500 for a heat pump and €1,200 for solar water heating, through SEAI-registered contractors. Underfloor heating is the ideal heat-pump partner.
Local coverage
Underfloor Heating Across Donegal: The Areas Covered
Donegal is Ireland's most northwesterly county and one of the most rural, with a dispersed population spread across a dramatic and varied landscape. Natural gas network coverage is extremely limited in Donegal, with the vast majority of the county relying on oil and LPG for heating. The pool of RGI registered gas installers in Donegal is small relative to the county's size, and installers here tend to specialise in LPG work as natural gas connections are uncommon.
Donegal is Ireland's most northerly county and one of the largest by area, with a very dispersed housing pattern. Much of the housing stock is older rural construction including traditional stone cottages, farmhouses and bungalows, all with oil-fired central heating as the dominant system. The holiday home and Gaeltacht areas in west Donegal have additional seasonal plumbing demands.
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.
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.
Every area above is served by installers in the Donegal plumber directory.
The options
Wet, Electric or Retrofit: The Right System for Donegal Homes
Natural gas coverage in Donegal is very limited. Oil and LPG are the dominant heating fuels across the county, making LPG certification particularly important for gas installers operating in Donegal.
Wet Underfloor Heating
Warm water pipes in the floor screed, run off a heat pump for lowest running costs. The natural fit for new one-off homes across rural Donegal, where high heat demand rewards an efficient low-temperature system. Supply and fit.
Retrofit / Low-Profile UFH
Slim overlay panels add just 15 to 20 mm to the floor, so wet underfloor heating can retrofit into an older Donegal farmhouse or bungalow without a full dig-out. Popular when renovating rural homes off the gas grid.
Electric Underfloor Heating
Thin heating mats or loose cable set under tile or stone, controlled by a room thermostat. Quick to fit and the common choice for bathrooms, en-suites and single-room retrofits. Supply and fit.
2026 prices
Underfloor Heating Cost in Donegal 2026: Prices From Letterkenny to Dunfanaghy
Typical supply-and-fit Donegal ranges. All figures include labour and VAT at 9%.
Wet UFH per m²
€60–€90
Whole floor, pipes in screed, supply and fit
Electric UFH per m²
€50–€75
Mat or cable under tile, supply and fit
Single-room electric
€600–€1,100
Bathroom or en-suite, fitted
Whole-house wet system
€6,000–€12,000
New build or full retrofit, all zones
Manifold and zoning
€400–€900
Per manifold, sets the room-by-room control
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.
SEAI grants
SEAI Grants for Donegal Heating Upgrades
Underfloor heating pairs perfectly with a heat pump, and SEAI grants are available for heat pump installation (up to €6,500) and solar water heating (€1,200). The underfloor heating itself is not separately grant-aided, but as part of a heat-pump upgrade it delivers low running costs, and work must be carried out by an SEAI-registered contractor before any grant can be claimed. A fabric-first upgrade makes the biggest difference, and SEAI-registered insulation contractors covering Donegal are listed at wallinsulationireland.ie.
See SEAI-registered plumbers →Hiring
How to Find an Underfloor Heating Installer in Donegal
Underfloor heating is a specialist fit best handled by an experienced plumber or heating installer in Donegal. Here is how to choose and hire correctly.
Browse Local Plumbers in Donegal
Every plumber listed in the Donegal plumber directory works locally and can be contacted directly. Browse the county, find heating installers near you, and enquire about wet or electric underfloor heating. No fees and no sign-up to get in touch.
Get Three Written Quotes for the Work
Quotes should specify whether the system is wet or electric, the floor build-up, the number of heating zones, the manifold and the controls. A quote without a floor plan and zone layout is incomplete, since the specification affects both comfort and running costs.
Confirm the Heat Source and Controls
Wet underfloor heating runs best at low flow temperatures, so confirm whether it will pair with a heat pump, a boiler or a blend of both. Ask about weather compensation and room thermostats, as good controls are what make underfloor heating cheap to run.
Agree the Screed and Commissioning Steps
For a wet system the installer should pressure-test the pipework before the screed goes down and commission the manifold once the floor has cured. Ask for the commissioning sheet and the manufacturer warranty on completion, and keep them with your home file.
Underfloor Heating in Donegal: Common Questions
How much does underfloor heating cost in Donegal in 2026?
Wet underfloor heating costs €60 to €90 per square metre supplied and fitted across a whole floor in Donegal. Electric underfloor heating is €50 to €75 per square metre, and a single bathroom in electric mat runs €600 to €1,100 fitted. A whole-house wet system is €6,000 to €12,000. Figures include labour and VAT at 9%.
Is wet or electric underfloor heating better in Donegal?
Wet underfloor heating is the better choice for a whole house or new build in Donegal, running cheaply off a boiler or heat pump across large areas. Electric underfloor heating suits single rooms such as bathrooms and en-suites, where it is quick to fit but costs more to run over a full house.
How long does underfloor heating take to install in Donegal?
A wet underfloor heating system for a single storey in Donegal takes two to four days to lay and commission, plus screed curing time before you run it fully. An electric mat in one bathroom is usually a one-day fit under the tiler. Whole-house wet systems in a new build run alongside the wider build programme.
Does underfloor heating work with a heat pump in Donegal?
Underfloor heating and heat pumps are an ideal pairing. Underfloor heating runs at low flow temperatures, exactly where a heat pump is most efficient, so together they give low running costs. Donegal homeowners can claim SEAI grants of up to €6,500 for a heat pump, which makes the combination attractive for new builds and deep retrofits.
Does underfloor heating suit an older home in Donegal?
Yes, in most cases. Many older Donegal homes take underfloor heating well, either as a wet system in a new extension or as a low-profile overlay that avoids lifting the existing slab. Paired with a heat pump it gives the efficient, even heat that older rural houses in Donegal often lack, and electric mats cover single-room upgrades.
How do I find an underfloor heating installer in Donegal?
Browse local plumbers and heating installers across Donegal on plumbersinireland.ie, then request quotes directly. Ask for three written quotes that set out the system type, floor build-up, zones and controls, and confirm whether the installer has fitted underfloor heating with a heat pump before.
Get Underfloor Heating Quotes in Donegal
Underfloor heating in Donegal, from wet screed systems to electric bathroom mats and heat-pump pairings, matched to local plumbers near you. Free, no obligation, reply within 24 hours.