There are only two ways to save more: spend less or earn more. If you've already trimmed your budget, the next lever is income. A side hustle doesn't need to be a second full-time job — even a few hours per week at £15-£30/hour adds £200-£500 per month to your savings. Here are 10 options that work around a 9-5.
1. Freelancing Your Professional Skills
Whatever you do in your day job, someone will pay you to do it on the side. Writers, designers, developers, accountants, marketers, project managers — all in demand on freelance platforms. Upwork, Fiverr, and PeoplePerHour connect you with clients globally. Start by offering a specific service (not 'I can do anything') at a competitive rate. Build reviews, raise your rates. Many freelancers earn £20-£50/hour depending on the skill.
2. Tutoring
If you have expertise in any academic subject, musical instrument, or language, tutoring pays £15-£40/hour. Online tutoring through platforms like Tutorful, MyTutor, or Superprof is flexible and can be done from home. GCSE and A-level subjects are in highest demand, especially maths, science, and English. If you have a degree, you're qualified. Even 5 hours per week at £25/hour is £500/month.
3. Selling Items You Don't Need
Most homes contain hundreds of pounds worth of unused items. Clothes on Vinted, electronics on eBay, furniture on Facebook Marketplace, books on Amazon. This isn't a long-term income source, but a one-time declutter can generate £200-£1,000 to kickstart your savings. Make it a habit: when you buy something new, sell something old. One in, one out keeps clutter down and cash flowing.
4. Delivery and Gig Work
Deliveroo, Uber Eats, and Amazon Flex offer flexible earning. You choose when to work — evenings and weekends are busiest. Typical earnings are £10-£15/hour after costs (fuel, vehicle wear). It's not glamorous, but it's immediate income with zero barrier to entry beyond having a car or bicycle. Best for a short-term income boost rather than a permanent arrangement due to the wear on your vehicle.
5. Dog Walking and Pet Sitting
The UK is a nation of pet lovers, and busy professionals will pay £10-£15 per walk, or £25-£50 per day for pet sitting. Rover and Tailster connect pet carers with owners. If you like animals, this is one of the most enjoyable side hustles. Dog walkers who build a regular client base of 3-4 dogs per day can earn £200-£400 per week part-time.
6. Renting Out Space
If you have a spare room, a driveway, a garage, or storage space, you can rent it out:
- •Spare room: The Rent a Room scheme lets you earn up to £7,500/year tax-free from renting a furnished room.
- •Driveway: JustPark and YourParkingSpace let you rent your driveway to commuters or airport travellers. £50-£200/month depending on location.
- •Storage: Storemates connects people needing storage with people who have spare space. Garages and lofts can earn £50-£100/month.
- •Car: Turo lets you rent out your car when you're not using it. Insurance is included.
7. Survey and Research Sites
Online surveys won't make you rich, but they can add £50-£100/month in your spare time. Prolific is the best — it's an academic research platform that pays fairly (£6-£12/hour equivalent). Other options include Swagbucks, YouGov, and Toluna. The key is treating it as pocket money, not a primary income. Do surveys while watching TV or commuting (not driving) and direct the earnings straight into savings.
8. Content Creation
If you have knowledge to share, creating content can generate income over time. Start a YouTube channel, write a blog, or create TikTok content about something you know well. Monetisation takes time (you need audience before income), but successful creators earn from ads, sponsorships, affiliate links, and digital products. Even a small niche audience can generate £100-£500/month. The content keeps earning after you create it — true passive income.
9. Mystery Shopping
Mystery shopping companies pay you to visit shops, restaurants, and service providers and report on your experience. Pay varies from free meals and products to £10-£50 per assignment. Grassroots Mystery Shopping, Marketforce, and Coyle Hospitality are UK providers. It's not a consistent income, but it's a fun way to earn extras while doing things you'd do anyway.
10. Teaching Online Courses
If you have expertise in anything — from Excel to photography to sourdough baking — you can create an online course. Platforms like Skillshare, Udemy, and Teachable host your course and handle payments. The upfront time investment is significant (creating the course), but once it's live, it generates passive income. A well-made course on a popular topic can earn £200-£2,000/month with no ongoing work.
FAQ
Do I need to pay tax on side hustle income?+
Yes, if you earn more than £1,000 in a tax year from self-employment. The £1,000 trading allowance covers small amounts. Above that, you'll need to register for self-assessment and report the income. Keep records of all earnings and allowable expenses.
Will my employer mind?+
Check your employment contract. Some contracts restrict outside work, especially if it competes with your employer. Most are fine with unrelated side hustles, but always check. You don't need to tell them unless the contract requires it.
How should I use side hustle income?+
Direct 100% of side hustle income to your financial goal — debt repayment, emergency fund, house deposit, or investment. Don't absorb it into general spending. The whole point is to accelerate your savings, not increase your lifestyle.
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