The documents I sent were:

Mandatory documents:

The passport issued by Philippines for Applicant

One passport photo for Sponsor/partner (full name written on back)

Two passport photos for Applicant (full name written on back)

The biometric residence permit.

Supporting documents.

Personal bank statements corresponding to the same period(s) as the payslips showing that the salary has been paid into an account in the name of the person or in the name of the person and their partner jointly.

Any relevant declarations or third party consent to request verification checks

Birth certificates

Evidence of Sponsors/partners immigration status in the UK (my Passport)

The language test certificate to prove the level of English language required (Ielts life skills B1)

Evidence of council tax costs for the accommodation in the UK where you live or will live

A letter from the employer(s) who issued the payslips confirming
1. the employment;
2. the gross annual salary;
3. how long the employment has been/was held;
4. the period over which the person has been paid the level of salary stated in their application; and
5. the type of employment (permanent, fixed-term contract or agency)

A P60 for the relevant period(s) of employment relied upon

A marriage certificate, or a reasonable equivalent

Payslips covering a period of 6 months prior to the date of application

Evidence of where our daughter's other parent lives (me)

Items of correspondence addressed to us at the the same address as evidence you have been living together since your last grant of leave in this category, or from the date you first started living together, up to a maximum of 2 years.

Items of correspondence should be addressed to you jointly or in both your names. The dates of the items of correspondence should be spread evenly over the whole 2 years. They should be from at least 3 different sources. If you do not have enough items in your joint names, you may also provide items addressed to each of you individually if they show the same address for both of you. For example - 4 items of correspondence in joint names to the same address and 2 items addressed to each partner at the address. In total 8 items would need to be submitted. If you and your partner have no bills or correspondence in joint names to the same address and 2 items addressed to each partner at the address.

In total 8 items would need to be submitted. If you and your partner have no bills or correspondence in
joint names, you will need to submit 12 items (6 each) of correspondence evidencing that you reside
together at the same address.
Documents provided must be originals. Examples of acceptable items include:
Letters or other documents from government departments or agencies, for example HM Revenue
and Customs, Department for Work and Pensions, DVLA, TV Licensing
Letters or other documents from your GP, a hospital or other local health service about medical
treatments, appointments, home visits or other medical matters
Bank statements or letters
Building society savings books or letters
Council tax bills or statements
Electricity or gas bills or statements
Water rates bills or statements
Mortgage statements or agreement
Tenancy agreement(s)
Telephone bills or statements

Evidence of monthly housing costs for the accommodation in the UK where you live or will live

If you have received a new passport since your last leave to remain application, and your visa is in your old
passport, you must include both passports.