If you do not qualify for the differentiation arrangements, you must submit all the supporting documents requested by UKVI at the same time that you submit your paper application form. Before proceeding with a visa application please check whether or not you require an ATAS certificate.
In 2016, the average credit score for an FHA homebuyer was around 686, while the average conventional homebuyer had a credit score around 753. You need a credit score of 580 or higher to get an FHA-insured mortgage with a down payment as low as 3.5 percent. If your credit score is between 500 and 579, you need to make a down payment of at least 10 percent to get an FHA mortgage. But first you would have to find a lender that would approve the loan.
Credit scores needed for a mortgage loan. You will need a 580 credit score to get an FHA loan, 580 for VA in certain states. There are conventional loan programs for borrowers with a 620 credit score and 3% down, you just have to find the right lender to work with you. Check out The Lenders Network to get referred to a lender that has bad credit loan programs.