Indefinite leave to remain advice needed

[HardlyEverHoovers]

Has anyone recently been through this process?
I'm a British citizen and DH came here on 2 year spouse visa, we've had DS since we moved here. My DH applied for his ILR at the end of October, we used the document checking service. The only thing we had a problem with was gathering all the letters and stuff to prove where we lived, as we weren't very on the ball with getting things in joint names etc, and we have lived in 2 houses since we've been here, both rented informally from friends and family. We've just had a letter today to ask for more evidence, which we are trying our best to find. They also asked for 'any other information to support the application'.
Now when we did the spouse visa we went to great lengths to get letters from friends, send photos of us together, letters we had written to eachother etc etc to prove the relationship was genuine. The lady at the checking service said we didn't need to do that this time, since we had been granted a spouse visa so they obviously believed our relationship was genuine. But should we? Or is there some other stuff we should provide?
DH is self employed.
Grateful for any advice.

[KatyTheCleaningLady]

I remember this. I remember we took great care to have accounts in both names and then there was this huge bother of getting them spread out over the number of months and different sources.

I would say that, yes, they want more evidence that you are still a genuine, cohabitation couple. Proof of mingled finances and shared household.

[HardlyEverHoovers]

Thanks for the advice, that's really useful.

[KatyTheCleaningLady]

I don't know what country your DH is from, but there is a Facebook group for American expats in the UK that is full of very helpful advice on these matters. If he's American, check it out.

Otherwise, there are likely forums for immigrants from his country with similar advice. You will get some really good help from others in the same boat, I would think.

Good luck!