The third Oslo-London cancer network meeting will take place in Oxford on the 30th and 31st March 2017 at Queen’s College. Confirmed speakers include Tom Kunkel (National Institute of Environmental Health Sciences (NIEHS), USA), Julian Sale (MRC Laboratory of Molecular Biology, Cambridge), Jesper Svejstrup (Francis Crick Institute, London) and Roland Kuiper (Utrecht), together with several other international speakers and local experts in DNA repair. Submitted short talks (~20 minutes) within the general remit of the conference are also welcome, especially from younger researchers. The lectures are open to all interested and registration is free.