steve can you answer this compulsory documents born before 1st july 2006 (my boy march 4 2006) must sign declarations of paternity in front of consular officer/ father must sign domicile questioniaire? this was last revised october 2009?? can you explain this ??

I'll try
You need to download the correct form from the UKBA. Go to this website address:

http://ukinhongkong.fco.gov.uk/en/he...e-applications


Most important though do i the natural father have to be present at anytime during the application? (in philippines?
No, you can do if from here or there as long as you or your wife has all the documents needed

how long would the process take from start to finish?
We got ours for our son in 4 weeks, although it can take 6 weeks

how much would it cost?
See the form from the web address

finally i would only have to apply then for my wife spouse visa? not the kids.
Yes, as soon as your children have their passports, they are citizens, you only have to apply for your wife's visa

can the kids have the right to stay in the uk, without any visa process for them just only my wife, what i mean to say can they just come and settle in uk with me i just get spouse visa for wife.
Yes

anyone out there done just this???? my wife has birth certificates, and we have been married since march 2008, further more my wife has visited me on a visit visa in 2010 but she did not bring kids, as maybe they would have refused her application on the lines that they would of not returned to phills...... please advise
Just follow the form, supply all the correct paperwork and it is striaght forward.
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