Hi guys I just received an email from Motorola. Motorola are currently rolling out the 'soak' test for some devices in the UK. If you purchased your phone from this carriers listed below;
Tesco Mobile
o2
EE
Motorola (Retail)
Please find more details on the
UK Motorola Software Updates page.
If your phone is listed with the carrier listed on Motorola's website you will receive an update to KitKat this month.
I also wan't to point out that the carriers themselves
'do not' roll or
'approve' this update through their networks. The update is rolled out by Motorola to the Moto G on the carriers listed above. If you have unlocked your phone to another carrier other than the one you bought the Moto G with you may or may not get the update.
I had this problem when I unlocked my phone the 3 mobile and put my Tesco sim back in and got the update a few hours later.
I hope this helps.