I've been approved, yippee! My timeline is as follows: I can't quite remember all of the dates (like date payment was taken) but listed the ones I know of! Good luck to you all
Basis: 5 years+ in the UK plus ILR
Applied through NCS: 13 Aug 2015
Application received by Home Office: 14 Aug 2015
Letter of acknowledgement: 26 Aug 2015
Letter requesting biometrics: 26 Aug 2015
Biometrics enrolment: 03 Sep 2015
Letter of approval and invitation to citizenship ceremony: 31 Oct 2015 (dated 20 Oct 2015)
Letter from council with citizenship ceremony date: 31 Oct 2015
Citizenship ceremony booked for: 01 Dec 2015