The Ministry of National Economy and Finance is planning the most significant change to the way ENFIA is calculated since its introduction, with the new system expected to take effect starting in the 2027 tax year.
According to an article in *Naftemporiki* by Giorgos Kouros, the tax calculation will be gradually decoupled from the information declared on Form E9 and will be based on the actual condition of each property, as recorded in the Electronic Building ID.
In practice, the calculation of the ENFIA will take into account the actual square meters, the actual use, and the characteristics of the property. The goal is to reduce the discrepancies currently observed between tax returns, building permits, title deeds, and the actual condition of the buildings.
The change could result in either an increase or a decrease in the tax. Property owners who are currently taxed on more square meters than they actually own may see a lower tax bill. Conversely, where additional square footage is identified or the property is being used for a purpose other than that stated on Form E9, the ENFIA tax will be adjusted to reflect the actual circumstances.
An important aspect of the plan is that there will be no retroactive imposition of additional ENFIA or fines for discrepancies identified between Form E9 and the Electronic Building ID. The new rules will apply to the tax for 2027 and subsequent years, without affecting the tax assessments for previous years.
The Real Estate Ownership and Management Registry—commonly known as MIDA—will also play a key role. Through the new system, data will be gathered from various public databases, enabling the tax administration to obtain a unified and more comprehensive picture of each property.
Property owners whose properties are fully compliant and have an up-to-date Electronic Building ID are not expected to be subject to any new procedures. However, those however, have made changes to the property’s floor area, use, or characteristics without updating the relevant registries will need to make the necessary corrections before the new system is implemented.













