I think it is an Indesit. IWDE126 doesn't appear on the Hotpoint manual search results (You'l have found that out already because you DID DO A SEARCH BEFORE POSTING HERE, DIDN'T YOU?
Indesit manual here: http://imagebank.indesitcompany.co.uk/brochures_online/pdf/indesit/Washer-dryers/IWDE126_19508247801_GB.pdf
Pages 6 and 7 show how it goes into a kitchen unit
Anon, December 2015