Boxt Discount Codes & Deals for March 2026
Save up to 10% with our working Boxt Discount Codes for March 2026
DealUp to 10% off Combi Boilers at Boxt
- Ends 19/05/26
Code£100 off all Boilers at Boxt
- Expires today
Code£100 off Worcester Bosch Boilers with this Boxt voucher code
- Expires today
CodeExtra £50 off Boilers with this Boxt promo code
- Expires 24/03/26
Code£10 off First order with this Boxt discount code
- Expires 08/04/26
CodeFree Service Plan with every Boiler order at Boxt
- Expires 01/04/26
Deal£100 off with Refer a Friend at Boxt
As an existing customer, if you refer a friend or family to BOXT you’ll receive a £100 voucher.
DealNew Boilers Installed from £1,790 at Boxt
DealUp to £750 Rebate on Tesla Installations at Boxt
Receive a Virtual Visa® Reward Card of up to £750 for Tesla Powerwall 3 installations.
- Ends 01/04/26
Deal2 for 1 on Solar Panels at Boxt
- Ends 13/05/26
Deal£50 off with Price Match Promise at Boxt
DealUp to £7500 Heat Pumps at Boxt
- Ends 13/05/26
DealAir Conditioning from £16 a month at Boxt
- Ends 02/06/26
DealEV Chargers from £989 at Boxt
- Ends 17/05/26
DealMonthly Plans from £33.35 a month at Boxt
Get a New boiler, Annual Servicing and Unlimited Repairs from £33.35.
- Ends 15/05/26
Boxt Shopping & Savings Guide
With over 6 years experience writing money saving content for NetVoucherCodes, I've developed a real desire to help our users save money. I love hunting down the best deals & discount codes, as well as writing about the most effective ways to save money online.
How to use a Boxt Discount Code
- Choose a Boxt promo code from NetVoucherCodes and select 'Copy'.
- The Boxt website will open up ready for you to start browsing.
- Find the products and services you wish to purchase and head to the checkout.
- Paste you voucher codes into the box labelled 'Got a promo code'?.
- Click 'apply' to see your savings!
Boxt FAQs
Where can I find working Boxt discount codes?
+You can grab all the latest and up-to-date Boxt voucher codes and deals right here at NetVoucherCodes! Our dedicated codes page is refreshed everyday with working Boxt promo codes, deals and sales by our content team who test all our codes to ensure they're valid. If you're on the lookout for a new boiler, be sure to snap up a saving from us.
Can I get a Boiler Repair?
+Boxt offers boiler repairs from just £89, with no upfront payments required. Boxt engineers have been able to fix 70% of boiler problems and you can book your repair appointment with no extra charge today.
What is the free voucher deal with price promise?
+The BOXT price promise guarantees that if they cannot beat a like-for-like quote, they will give you a £50 voucher! Be sure to check for a Boxt coupon code first as this may be an even better deal.
Why is my BOXT Discount Code not working?
+There can be many reasons why a discount code for Boxt doesn’t work. The most common reasons are:
It may not be valid for the specific products you have in your shopping basket.
The code may only be valid for new customers.
The items you are buying may already be discounted or on sale.
The code may have been expired early by the retailer due to product shortages or some other issue fulfilling orders.
It’s best to thoroughly read the individual terms and conditions for each code to avoid disappointment. If your code still doesn’t work and you’ve checked all the above points, then please contact us via our Contact page and we will try our best to help you.
Why we love shopping at Boxt
We love how easy Boxt makes it to find a boiler, asking for just 5 minutes of your time to answer a few questions online. They then instantly recommend the boilers that will fit your home so you can compare prices and choose the boiler you want. One of Boxt’s 70 gas-safe installers will pick up the job from there, allowing your boiler to be installed within just 24 hours. And without an army of salespeople to pay, they can offer you a great deal on the same A-rated boilers that you’re used to.
We also love that the Boxt boilers are from the Worcester Bosch brand - not only the UK's most loved boiler brand but arguably one of the best in the business. Worcester Bosch are top of the Which? gas boiler report and have been for the last 8 years. Not to mention, every single one of their Greenstar gas boilers has been awarded a Which? Best Buy. With one of these boilers, paired with a Boxt 10-year warranty and one of our Boxt voucher codes, there's no better choice for your central heating.
How to save money at Boxt without a discount code
Look for Early Bird Discounts
Keep an eye out for early bird specials when shopping at Boxt.
- Booking your installation or making purchases ahead of the peak season can help you make big savings on your purchase as prices are often lower during off-peak times!
Find Online Exclusive Boxt Deals
Boxt often provides exclusive deals for online shoppers.
- Keep an eye on their homepage or sign up for their newsletter to receive notifications about these online-only offers, which can include discounts on installations, appliances and services.
- Recent offers include buy one get one free on solar panels, up to £250 off air conditioning and a free mini Hive Thermostat with boiler installations.
- You'll also find the latest promotions and Boxt Boilers discount codes here on NetVoucherCodes.co.uk.
Refer a Friend for some savings
BOXT's referral programme is a great way to earn some savings.
- By referring friends or family, you can earn a £100 voucher towards future purchases. Your referred friend will also earn £100 towards their first Boxt purchase.
- Just download the Boxt app to get your referral link and start sharing it.
Exclusive Perks at Boxt
Spread the cost of your purchase
Boxt offers interest-free credit options on purchases, allowing you to spread the cost over time with no additional charges. This is a great way to make larger investments more manageable without paying more in the long run!
Enjoy Bundle Offers
Save money by bundling products and services at BOXT. You'll often find packages that include multiple services or products at a discounted rate compared to purchasing them individually. You may also be able to use a Boxt Boiler promo code alongside this for an even better deal!
Get Free Filters at BOXT
Boxt puts a free filter in every boiler they install, worth up to £130 RRP. These filter nasty bacteria and unwanted residue from the system water to protect the boiler and ensure it stays in top condition for much longer.
Save money with Boxt's all-inclusive worry-free boiler plan
With Boxt's all-inclusive plan, you get a new A-rated boiler, annual servicing and unlimited repairs or a replacement from only £33.35 a month. Get your fixed monthly price online with no hidden costs or hassle. There are also no callout fees needed with your BOXT Life plan. Just contact the team and they'll send an engineer round for free. There's also no deposit required with this plan and you don't have to worry about price rises.
Order your boiler online by 3pm for next working day installation by one of their accredited engineers and control your boiler from their handy app. All of these boilers also come with a 10-year warranty and you can even get a free mini-Hive Thermostat with your boiler installation. Remember to also use a Boxt discount code on your order to save money on your Life Plan.