How to Apply for a £100 Loan Online
Applying for a £100 loan online with Fast Loan UK takes a few minutes and follows four straightforward stages:
- Enter your details. Choose your amount and term, then tell us about your income and outgoings.
- Affordability and credit check. We assess what you can comfortably repay and carry out a credit check.
- Receive your decision. If we can lend, we show you the loan agreement, including the total amount repayable, before you sign anything.
- Get funded. Once you accept and pass our final checks, we release the funds to your UK bank account.
Have your bank details, employment information and a rough idea of your monthly outgoings ready before you start, as this speeds the process up. You will only ever proceed once you have seen exactly what the loan costs and agreed to the terms. You can begin the same application through our wider Quick Loans route if you are still deciding on the amount.
How Much Does a £100 Loan Cost to Repay?
The cost of a £100 loan depends on the repayment term you choose. Interest is charged daily on the outstanding balance, so a shorter term means less interest overall, while a longer term spreads repayments across smaller instalments but adds more interest. Fast Loan UK shows you the full total amount repayable in your loan agreement before you accept, so there are no surprises.
All high-cost short-term lenders in the UK work within the FCA price cap. Under these rules, interest and fees are capped at 0.8% per day of the amount borrowed, default fees are capped at £15, and you can never repay more than 100% of the amount borrowed in interest and fees. For a £100 loan, that means the total you repay in interest and fees can never exceed £100, so you would never repay more than £200 in total.
As a guide, a £100 loan repaid over a single month carries less interest than the same £100 spread over several months, simply because the balance is cleared faster. A 1 Month Loan clears the balance quickest, while a longer term lowers each instalment but increases the total interest. Because interest accrues daily, repaying early reduces what you pay, and you are charged interest only for the days you actually held the loan. We encourage you to compare the total repayable figure we show you against any other option before deciding, including banks, lending from family and friends or other short term lenders.
How Quickly Can You Receive a £100 Loan?
Once your £100 loan is approved and you have accepted the agreement, funds can reach your account the same day. Same-day funding is likely but not always guaranteed, because the final timing depends on factors outside our control, mainly your bank’s processing speed.
Applying earlier in the day, having your details ready, and passing identity and affordability checks quickly all help the money arrive sooner. If you need cash for an urgent situation, our Emergency Loans follow the same fast process. We would rather set an honest expectation than promise a fixed time we cannot always meet.
Why Choose Fast Loan UK as a Direct Lender
Fast Loan UK is a direct lender, not a broker. You deal with us from application to final repayment, giving you a single point of contact.
We are authorised and regulated by the Financial Conduct Authority under reference number 673907, and you can confirm this directly on the FCA Register. Fast Loan UK is part of JDB Enterprise Group Limited, a UK-based fintech business with over ten years of consumer lending experience.
Our approach is built on responsible lending. We make sure customers never borrow more than they can afford to repay, we treat people whose circumstances change fairly so financial difficulty does not spiral, and we give extra support to anyone we identify as potentially vulnerable. If you are worried about money, free and impartial guidance is available from MoneyHelper. Transparency runs through everything we do: you see your costs clearly at every stage of the loan journey.

