Is a 30 month extension my only option? Does the fact that we have a 4 year old son make a difference?

I am a Pakistani passport holder who lives in the UK on a spouse visa. My time in the UK is almost reaching 5 years and am almost ready to apply for ILR, however looking at the dates (important dates in bold ): Initial visa valid from: 3 Apr 14 (exp: 3 Jan 17) Entry into UK 28 Aug 14 FLR Date of ...