Industrial Injuries Disablement Benefits: technical guidance

Find out what Industrial Injuries Disablement Benefits are, how they are worked out, the eligibility rules and how to apply.



The Industrial Injuries Disablement Benefits technical guidance (DB1) is intended for use by professional and voluntary advisers, and by members of the public who want more information. It explains who is entitled to, how to claim and how DWP works out:

  • Industrial Injuries Disablement Benefit
  • Constant Attendance Allowance
  • Exceptionally Severe Disablement Allowance
  • Reduced Earnings Allowance
  • Retirement Allowance
  • Unemployability Supplement
  • additional payment for people whose employer has gone out of business

Appendix 1 has a list of diseases covered by the Industrial Injuries Scheme. These are called ‘prescribed diseases’.

Published 31 October 2013
Last updated 23 February 2024 + show all updates
  1. References to two of the diseases listed in paragraph 11.1 Pneumoconiosis etc (Workers’ Compensation) Act 1979 have been amended due to legislative changes. These diseases have now been amended from ‘diffuse pleural thickening’ to 'unilateral or bilateral diffuse pleural thickening', and from ‘primary carcinoma of the lung if accompanied by asbestosis or diffuse pleural thickening’ to 'asbestos-related primary carcinoma of the lung'.

  2. Under paragraph 5.4 'Making a benefit claim for a prescribed disease', fast track cases has been updated to “Claims for prescribed disease C4, C22b, C24a, D3, D8, D8a, D10, and D11 are all treated as fast track cases. These cases are given priority at all times.”

  3. Barrow IIDB has closed so new contact addresses have been given in sections 8.2, 8.3, 11.6, 12.2 and 12.6

  4. Updated paragraph 7.6 'Effects on other benefits' relating to Exceptionally Severe Disablement Allowance.

  5. Updated the description of disease A15 Dupuytren's contracture.

  6. Added Dupuytren's contracture (disease number A15) to the list of diseases covered by Industrial Injuries Disablement Benefit in appendix 1.

  7. Amended the descriptions of diseases B15 anaphylaxis and D6 carcinoma of the nasal cavity or associated air sinuses (nasal carcinoma). Corrected descriptions of diseases A1 leukaemia (other than chronic lymphocytic leukaemia) or primary cancer of the bone, bladder, breast, colon, liver, lung, ovary, stomach, testis or thyriod; B6 extrinsic allergic alveolitis; C34 extrinsic allergic alveolitis; D9 unilateral or bilateral diffuse pleural thickening.

  8. Amended appendix 1: List of diseases covered by Industrial Injuries Disablement Benefit - disease numbers A1, B6 and D9. Added new disease number C34.

  9. Amended chapter 5 - prescribed diseases and chapter 14 - appendix 1. Changes due to the prescribed disease legislative change outlined in Social Security (Industrial Injuries) Amendment Regulations 2015, including changing the name of chronic bronchitis and emphysema to chronic obstructive pulmonary disease.

  10. Amendments made as a result of changes to Industrial Injuries Disablement Benefit Centre contact details.

  11. Changed the address of the International Pensions Centre (IPC) at section 13.5.

  12. First published.