You can write to Kemi Badenoch either at the House of Commons:
Kemi Badenoch M.P., House of Commons, LONDON SW1A 0AA
t. 020 7219 1943 (House of Commons) kemi.badenoch.mp@parliament.uk
or locally at
3 Museum St, Saffron Walden CB10 1JN
t. 01799 506349 (Constituency Office) e. kemi.badenoch.mp@parliament.uk