Cheapest energy supplier in Cardiff - Utility Warehouse
Utility Warehouse
Get the cheapest energy deal in Cardiff and throughout the UK by switching two or more of your energy, broadband, mobile or insurance to UW.
Unlock price certainty with guaranteed savings on your household bills to put an end to bill chaos and enjoy peace of mind.
How does UW work?
At Utility Warehouse, we like to do things a bit differently. We bundle all your home services (energy, broadband, mobile, and insurance) into one, simple bill – helping you save time and unlock savings and benefits.
Even better, we use a team of distributors, called Partners, to ensure you get a package that's tailored to your needs.
To find out more about our energy deals in Cardiff and other services, get in touch with one of our recommended Utility Warehouse Partners – they'll guide you through our award-winning multiservice offering.
Energy
Broadband
Mobile
InsuranceAll your home services in one
Supplying gas and electricity in Cardiff
Save over £200 a year when you switch your broadband, mobile and insurance to UW.
The more services you bundle with UW, the more you save on your energy.
Award winning energy deals for Cardiff
It's not just our great energy prices that make us stand out as one of the best energy suppliers in Cardiff. We've earned over 80 awards – and counting – in the last decade alone. Including Uswitch's Best Value for money award in 2023.
More recently, we secured the highest overall score for energy suppliers in Which?'s latest annual energy firm rankings. UW scored 75% overall - coming ahead of 17 other energy suppliers.
Get £50 when you go smart
Smart meters are the future. Not only do they take the hassle out of meter readings, but they also help you understand your energy use, so you can take steps to save money.
We want to make our customers' lives as simple as possible, which is why we offer free smart meter installations to help you save on energy in Cardiff. We even give new customers £50 off their bill when they upgrade to smart meters.
Switch to the cheapest energy provider in Cardiff
Switching your utility supplier in Cardiff to UW is simple. And remember – the more services you take, the more you save.
So what next? Get your quote after choosing your tariff, we'll contact your current energy supplier to let them know you're switching and then in 2-5 working days your new gas and electricity services will be live.
Fix your energy rate for total price certainty
Lock in your energy rates with our fixed tariff, UW Fixed, for only £1625 when you switch energy and any of your mobile, broadband or insurance services to UW. And when you add another service, you'll pay even less with UW Fixed Saver priced at £1575.
That's two great value fixed tariffs cheaper than the April price cap, providing peace of mind for up to 12 months.
Over a million reasons to join
More than a million households have switched to UW, putting an end to wasting time and money on bills.
If you switch three or more services and use our Cashback Card, but don't see savings in your first year, we'll pay you double the difference back.
Our peace of mind promise
When you switch all your home services to UW you’ll always get our best value deals, all in one simple and easy to manage bill. Plus, we’ll give £400 towards any early termination fees with existing suppliers and 30 days to change your mind without any penalty^.
Earn more than an income as a UW Partner
Our Partners make money in Cardiff by recommending UW services to others. It's a flexible way to earn extra money and get a passive income.
You can earn up to £250 for every person you help sign up to UW, plus a whole host of other benefits like holidays, hampers, events and more!
Why UW?
Show other partners in Cardiff
Frequently Asked Questions
Awards: UW has earned over 80 awards – and counting – in the last decade alone. Current awards include Which? Best Buy for our UW Wi-Fi Hub, USwitch Energy Awards for metering reading services and incentives/rewards and our Home Insurance service has been awarded five-stars by independent financial information experts, Defaqto.
Cheapest fixed energy: UW Fixed Saver tariff vs competitor fixed tariffs offered by major suppliers (large and medium suppliers as defined by Ofgem), on sale nationally and excludes existing customer-only tariffs. Payment by Direct Debit. Based on Ofgem's typical domestic usage. Prices averaged across all regions. Correct at 11/04/24. Contact us to verify.
Fixed tariff is only available to eligible customers who take two or more bundle services (bundle services are energy, broadband, mobile, and insurance - excluding Bill Protector). Smart meter required. Full details, eligibility and terms are available at UW terms and conditions. UW Fixed Saver 17 is priced at £1575 for a dual fuel customer, based on Ofgem's typical domestic usage, for 12 months with payment by Direct Debit. UW Fixed 17 is priced at £1625 for a dual fuel customer, based on Ofgem typical domestic usage, for 12 months with payment by Direct Debit.
^£400 to help you switch and 30 days to change your mind applies when you switch at least three of your services: energy, broadband, mobile and insurance (excluding Home Insurance and Boiler & Home Cover) - and you are a new customer. £400 to help you switch - we'll give you credit up to £400 towards any termination fees you have to pay your current providers. Additional requirements apply to customers who are tenants. 30 days to switch - Available when a new customer switches two or more services on the same date: energy, broadband, mobile and insurance (insurance means Boiler & Home Cover or Income Protector only). Any equipment must be returned and services used must be paid for before cancelling. Terms apply.
Over £200 savings: based on a new UW customer taking four services (Double Gold variable energy, Ultra broadband, Unlimited mobile and Boiler & Home Cover insurance (Bill Protector excluded)), paying by direct debit vs the average price of our main competitors' equivalent services.
UW Price Pledge: eligible new customers (from 22/04/24) who take 3 or more qualifying services and regularly use their Cashback Card. Full details, eligibility and terms available at uw.link/price-pledge.
Registered in England. Company number: 04594421 Utility Warehouse Limited is authorised and regulated by the Financial Conduct Authority