Quarterly Key Data Report

Quarterly Key Data Reports

The table below contains links to the latest Quarterly Key Data Reports (QKDR). Historical reports can be found in our Publications section.

HTML versions of QKDR can be found in the right side navigation.

The latest quarterly data can be found in our Data Portal

QKDR Timetable

The tables below sets out key dates for QKDR respondents as well as provisional publication dates for the periods Q4 2025 – Q3 2026.
QuarterQ1 2026Q2 2026Q3 2026Q4 2026
Questionnaires AvailableTues. 24th Mar 2025Tues. 2nd June 2026Tues. 1st Sept 2026Tues. 5th Jan 2027
Deadline for SubmissionWed. 6th May 2026Wed. 29th July 2026Wed. 4th Nov 2026Wed. 3rd Feb 2027
Publication of QKDRThur. 11th June 2026Thur. 3rd Sept 2026Thur. 10th Dec 2026Thur. 11th Mar 2027

Leased Lines, PIA & Mapping Timetable

The tables below sets out key dates for leased lines, PIA and mapping respondents for the periods H2 2024 and H1 2025 – H2 2025.
QuarterH1 2026H2 2026
Questionnaires AvailableWed. 1st Jul 2026TBC
Deadline for SubmissionWed. 30th Sept 2026TBC

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