Does a transfer to a UK bank account affect the UK visa application process?

I live in the Netherlands. I am planning to visit UK in the year June. I would like to attend to a workshop there, this is the reason of my coming. I will stay in the UK for only a weekend (2 days). I am going to pay 1500 GBP for that workshop in this Monday, via bank transfer.
Here is my question. I guess I will submit my visa application as a Tourist (Standard visitors) visa. I am employed and I have a steady income. Might that money that I am going to pay be interpreted as suspicious by the consulate? Because I will be showing my bank statements.
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Does UK Immigration check your bank account?
The UKVI will check your bank statement for the minimum balance in your account for the 28 days preceding the closing balance of the statement. You must have a recent document from the bank that is dated within 31 days of the day you submit your online visa application.Do UK visa verify bank statements?
BANK STATEMENT FOR UK VISA The Entry Clearance Officers (ECOs) must make sure that the UK visit visa applicant has sufficient funds to support and maintain themselves for the entire duration of their stay in the UK. Bank statements work as evidence to prove that the applicant has sufficient funds.How does an embassy check the bank statement?
The Embassy does not check bank statement in case of every applicant. It is done on random basis or in case of doubt.Can Immigration look at bank accounts?
Yes USCIS may verify information about your bank account with bank.Can My UK Visa Application Fee Be Refunded? UK immigration laws @BARI LAW ASSOCIATES
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