What changed, and when

27 October 2026 · Official record

CPI for September 2026 corrected to 4.1%: the cap is 2%

The CSO's September 2026 release of 8 October 2026 put the annual change in the Consumer Price Index at 4.1%. The rules config had carried 1.9%; it now carries 4.1%, so the lower arm of the rent cap for a review notice served from 8 October 2026 is the 2% ceiling. The rent increase checker and the rent guides were updated.

Changes: rent.cpiSeries.points (2026-09: 4.1% from 2026-10-08)

27 October 2026 · Official record

Site launched with the position at 27 October 2026

Every rule in the rules config was read from its source on this date: the RTB's pages on the March and September 2026 changes, the Oireachtas Library's Bill Digest, Revenue's rent credit page, the 2017 HAP regulations and the Budget 2027 announcements marked as announced.

6 October 2026 · Official record

Budget 2027: rent tax credit to €1,150, rent-a-room threshold to €16,000

Announced on Budget day for 2027 and entered in the rules config as announced figures with their effective dates; the Finance Act 2026 will confirm them.

Changes: money.rentTaxCredit.versions (2027 and 2028, announced); money.rentARoom (€16,000 from 2027-01-01, announced)

14 September 2026 · Official record

Public RTB hearings, fixed payment notices and the 7-day copy rule begin

S.I. 434/2026 commenced most of the Housing and Residential Tenancies (Miscellaneous Provisions) Act 2026. Adjudication hearings are public for applications from this date; the RTB recommends email or hand delivery for termination notices after Argutinski v RTB [2026] IEHC 225.

Changes: noticeValidity.rtbCopyWithinDays (7 days from 2026-09-14); rtb.publicAdjudicationsFrom; rent.fixedPaymentRentBreach

3 September 2026 · Official record

RTB: 4,031 notices of termination in Q2 2026, down 42.9% on Q1

The Director's Quarterly Update reported 4,031 notices in the second quarter, 50.2% because the landlord intends to sell, and 241,072 registered private tenancies. The Rent Index for Q1 2026 put new-tenancy rents at €1,839 a month, up 9.1% on the year.

7 May 2026 · Official record

Temporary Prohibition of Termination Notices Bill published

A Private Member's Bill to pause no-fault notices was published and awaits Second Stage. It is not law and no moratorium is in force.

1 March 2026 · Official record

The Residential Tenancies (Miscellaneous Provisions) Act 2026 commences

The national 2% or CPI cap, Tenancies of Minimum Duration, the smaller and larger landlord split, the 90-day dispute window and the reason on every notice all began on this date.

Changes: regimes (tmd from 2026-03-01); rent.capPct; noticeValidity.disputeWindowDays; grounds