Eoin Ó Broin (Dublin Mid West, Sinn Fein) | Oireachtas source

The RTB index is based on all rents and all registered tenancies. What the Residential Tenancies Board representatives told us the last day was that existing rents are actually underestimated. In my case, my tenancy was registered in 2010, but I have had two rent reviews since then. The RTB index includes my rent from 2010. Therefore, the index is a slight underestimation and daft.ie has a slight overestimation. It is probably somewhere in between. That is simply a factual correction.