How to build savings and an emergency fund, according to a financial expert

Nunn says the key to building up savings is to automate putting money aside.

This means regular saving will stop being a decision or action you have to keep taking - and putting off.

"If you're able to carve out a little bit and put it somewhere else where you won't have access to it and be able to spend it, I think that's the easiest way to start having a saving mindset," he says.

That could mean setting up a direct debit from your current account to a savings account, organising cash into different envelopes or using round-up tools that put spare change aside when you spend.

Nunn recommends "saving little, saving early and saving regularly".

He admits he "hates budgeting and always has" so he says he looks at his current account as soon as he gets paid and decides how much he wants to move into savings. "Do it as soon as you can," he adds.

As well as savings, he recommends having an emergency fund for surprise bills like a broken boiler or car repairs. How much you need in the fund depends on your circumstances but he advises having one to three months' salary set aside if you can.

Nunn and his wife use a joint account and have "complete transparency" over money, he says.

His red flag in a relationship is "someone who isn't careful with money" because he has always been "relatively prudent".

His attitude to money was shaped by childhood - his parents divorced and his mother raised four children which meant he grew up thinking carefully about spending.

"We were constantly worrying about what we were spending money on and managing money carefully which ranged from looking for cheap food in the supermarket to thinking carefully about holidays and what we did in our spare time".

Nunn says his children "take no advice from me because I'm their dad" but he's tried to make them understand the value of money.

"They have pocket money which helps them budget and they live within their means," he says.

He adds that two of his children are more comfortable spending, while others are more natural savers, which he says reflects what the bank sees among customers too.

He does not think younger people are generally financially irresponsible but is concerned about the bigger challenge of dealing with the amount of information, misinformation and pressure people now face online.

You can help to protect yourself from fraud by "being curious and asking questions" if you're unsure about a transaction or doing something that someone has asked you to do online.

Social media can be useful for learning about money, but Nunn is "deeply concerned" about financial influencers pushing risky products.

"They are paid to promote a particular crypto coin, meme coin or investment product rather than helping people choose what is suitable for them," he says.

"Most people who haven't got much money shouldn't be taking the level of risk that means they could lose that money."

Instead, he says people starting out should think carefully about risk and cost, and consider simpler, diversified options.