I think you sent application by post.

If you sent application by post then definitely you got receipt from post office.

On that receipt there is tracking number so with that tracking number you track you application.

Hi there,

Have you checked is Home Office received your application.

And your payment details were correct.

Application posted on: 09/04/2019 Received by UKVI/HO on: 10/04/2019 Payment taken: 10/04/2019 Home Office Email (with case reference number): 16/04/2019 Biometrics letter received: 20/04/2019 (Dated 15/04/2019) Biometrics enrolled: 20/04/2019 COA With Work: 01/05/2019 (Dated 27/04/2019) Resident ...