Okay, just going to organise your documents into the different application sections (and things I've added are in blue):
Applicant- FLR(M) application form- US passport
- current BRP (if you have one)- 2 x passport pics with full name on back
- IHS surcharge receiptSponsor- UK passport
- 1 x passport pic with full name on the back
Child- Child's passport
- Child's birth certificate
- letter from GP etc. as proof of their addressFinancial requirement - 6 x pay slips...
must cover a full 6 months, not a day less, and show at least £1550 before tax on each one.- 6 x bank statements...
must cover a full 6 months, not a day less, and show the deposit of every single payslip.- Letter from employer stating wage/length of employment etc
- P60
- original job contract
Accommodation requirement:
If you rent:
- Current tenancy agreement
or
If you own:
- Land Registry document
- latest mortgage statementRelationship evidence- 2 x divorce paperwork (1 for each of us)
- Our wedding certificate
- 5 pieces of joint mail (water bills/gas bills/council tax)
- 1 piece additional for me (car insurance)
- 1 piece additional for applicant (bank statement)
Do we need the sponsorship undertaking SU07/12?
No, that form is only for exceptional circumstances visas applied for OUTSIDE the UK, namely elderly dependant relatives and adult dependant relatives