Order by 3pm for next working day installation
Rated Excellent on Trustpilot
Over 250,000 BOXT customers
Fixed-price, next day boiler installation
Get a new boiler from £1,790 or £12 a month* with flexible finance options. Plus, get a free Hive Thermostat Mini with code FREEHIVEMINI**.
Boiler installation from the next working day¹
Finance options available, including 0% interest²
We'll beat any like-for-like price³
Our partners
BOILERS
Buy a boiler
Save up to £158/year on energy bills with a free Hive Thermostat Mini. Use code FREEHIVEMINI at checkout.**
BOXT LIFE
All-inclusive worry-free boiler plan
New boiler + annual servicing + unlimited repairs or replacement from only £33.35 a month
SOLAR & BATTERY
Buy one panel, get one FREE
Get an instant online quote, plus a free solar design based on 3D mapping technology. Installed from £3,999
AIR CONDITIONING
Air conditioning installation
Save £250 on air conditioning with code AC250*** to keep your home comfortable all year round
HEAT PUMPS
Heat your home with fresh air
Save £7,500 on a new heat pump and get it installed within 4 weeks. Prices from £4,799
BATTERY STORAGE
Store & save with a home battery
Add a battery to solar panels or get standalone battery storage. Up to £750 rebate on Tesla Powerwall 3 installs.
BOILER SERVICING
Protect your boiler warranty
Protect your boiler warranty with a boiler service for £8.99 a month
BOILER REPAIR
Get a boiler repair visit for just £89
Enjoy a one-year workmanship guarantee and no upfront payment
ELECTRIC VEHICLE CHARGERS
Get a home EV charger installed
Save time and money with your own home EV charger
How does BOXT work?
Discover
Answer some questions about your home and get a fixed-price install quote in minutes
Choose
Compare brands, models and sizes to choose the right solution for your home. Pay upfront or in instalments
Install
Order online by 3pm for next working day installation by a skilled and friendly BOXT accredited engineer
What our customers say
The BOXT Price Match Promise
We enjoy saving you time and money; that's why we regularly review our prices. In fact, we guarantee to beat any like-for-like boiler installation quote by £50, so you can shop with peace of mind.
*Monthly payments available from £11.57, based on purchase of Navien NCB 300 30kW (from £1,790) on a 120 month term with a 50% deposit (£895). APR 9.9%. Total repayable is £2,283.40. Finance available subject to status, T&Cs apply. BOXT is a broker, not a lender. Explore finance options here.
**Free Hive Mini Promotion not combinable with other promo codes. Offer ends 31st May 2026. Click here for full Terms and Conditions. Saving of £158.40 based on the Ofgem medium annual gas consumption of 11,500 kWh at the April 2026 UK average unit price of 5.739 pence per kWh including VAT. Emissions saved per year: 508 kg CO2 (0.184kg per kWh). Actual savings will vary depending on individual circumstances.
***Terms and Conditions apply to £250 saving promo. Offer ends 31st August 2026. Click here for full Terms and Conditions.
¹Boiler installation is available from next working day if you order before 3pm, subject to availability.
²Finance available subject to status. Learn more about finance options here. BOXT is a broker not a lender.
³Learn more about the BOXT Price Match Promise here.