15 things everyone should invest in, according to successful people living lives of luxury

Once you're making a steady income - and hopefully putting some money aside, too - buying everything off the high street or shopping only in the sale loses its appeal.

No matter how long it takes to save for them, there are some items you should splurge on so they last you for life - and some may even grow in value, making them a good investment for the future.

We asked four people living luxurious lifestyles - including the Head Personal Shopper at Matches Fashion, the CEO of Joanne Beckham's concierge company, and the head of VIP at Heathrow Airport - for the items everyone should invest in in their lifetime.

Scroll down to see what they said: