How Are Rates Calculated in Ireland – Cost Calculator

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Commercial Rates Calculator (Ireland)

Estimate your annual local authority rates liability based on NAV and ARV.

Net Annual Value (NAV) – € This is the valuation provided by Tailte Éireann (Valuation Office).

Annual Rate on Valuation (ARV) / Multiplier The multiplier set by your Local Authority (e.g., Dublin City, Cork Co. Co.).

Property NAV: €0.00

Local Multiplier (ARV): 0.000

Estimated Annual Rates: €0.00

How are Commercial Rates Calculated in Ireland?

Commercial rates are a property-based tax levied by local authorities in Ireland on the occupiers of commercial and industrial properties. The revenue generated is used to fund local services such as fire brigades, libraries, parks, and road maintenance.

The calculation follows a specific formula mandated by the Valuation Act 2001 (as amended):

Annual Rates Payable = (NAV) x (ARV)

1. Net Annual Value (NAV)

The NAV is determined by Tailte Éireann (formerly the Valuation Office). It represents the estimated annual rental value of the property at a specific valuation date. It is not the market value of the property, but rather its potential rental yield in a fair market.

2. Annual Rate on Valuation (ARV)

The ARV is the "multiplier" or "rate in the pound" decided annually by the elected members of each Local Authority (County or City Council) during their annual budget meeting. For example, if a council needs more funding for infrastructure, they may increase the ARV.

Calculation Example

Imagine a retail unit in Dublin City with a valuation of €30,000. If Dublin City Council sets an ARV of 0.273 for that year, the calculation would be:

NAV: €30,000
ARV: 0.273
Calculation: 30,000 x 0.273
Annual Liability: €8,190

Common ARV Examples (Estimates)

Local Authority	Typical ARV (Approx)
Dublin City Council	0.270 – 0.275
Cork County Council	0.240 – 0.250
Galway City Council	0.260 – 0.265

What if my property is vacant?

In many Irish local authorities, you may be eligible for a Vacancy Refund. If a property is vacant because the owner cannot find a tenant at a reasonable rent or is undergoing repairs, they may apply for a percentage reduction (often ranging from 50% to 100% depending on the specific county council's policy).