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Publication, Part of

Psychological Therapies: reports on the use of IAPT services, England, December 2021 Final including a report on the IAPT Employment Advisers pilot and Quarter 3 2021-22 data

Official statistics, Experimental statistics

Page contents

Waiting Times

One of the stated targets of the IAPT programme is that for referrals finishing a course of treatment in the month, 75% access services within 6 weeks, and 95% within 18 weeks⁵. These are based on the waiting time between the referral date and the first attended treatment appointment.

89.9% of referrals waited less than 6 weeks to access IAPT services.

Calculating Waiting Times

In December 2021, this calculation is performed as follows: 

(Count_FirstTreatment6WeeksFinishedCourseTreatment / Count_FinishedCourseTreatment) * 100

(44,658 / 49,697) * 100 = 89.9%

Sub-national waiting times rates are published in the Monthly Activity Data File as columns ‘Percentage_FirstTreatment6WeeksFinishedCourseTreatment’ and ‘Percentage_FirstTreatment18WeeksFinishedCourseTreatment’.


The chart below shows that, nationally, waiting times measures have consistently been above the target, particularly the proportion seen within 6 weeks.


"For an explanation of the terms used and further information about how measures are calculated in IAPT see the 'Guide to IAPT data and publications' at  www.digital.nhs.uk/iaptreports.

⁵ See p16-17 of The Mandate: A mandate from the Government to NHS England: April 2015 to March 2016, available at: https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/386221/NHS_England_Mandate.pdf"



Last edited: 21 September 2023 5:19 pm