Will my mortgage application be approved?

I am a first time buyer preparing to submit a mortgage application in the autumn.

I have a basic salary plus comission, so each month I take home different amounts, so will apply after three good months. I also have a large deposit.

I also receive regular cheque payments into my bank account from my Grandmother as gifts, as my late Grandfather left behind a lot of funds.

At the end of each month, I have plenty of money left over, but I do have a good social life and spend the money I have freely. After all my bills and rent is paid, I have a healthy sum left over.

Will I be scrutinsed for spending, even though I always have enough money and have never gone into an overdraft/had adverse credit?

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