THIS PAGE WAS LAST UPDATED ON March 16, 2026 BY
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Heatable UK Promo Codes & Coupons March 2026
Best Offers – Last Validated: March 16
Used 1563 timesUp To £150 Off New Boilers
Get Up To £150 Off New Boilers At Heatable UK
Deal
Up To £150 Off New Boilers
Used 15 timesUp To 10% Off Sale Items
Get Up To 10% Off Sale Items At Heatable UK
Deal
Up To 10% Off Sale Items
OffUsed 57 times
Get £2495 Off on Your Orders At Heatable
Get £2495 Off on Your Orders At Heatable
- Expire in: 14 days (2026-03-30)
£2495 Off
Get £2495 Off on Your Orders At Heatable
Used 75 timesNHS Staff Discount
Special discounts for eligible NHS staff
Deal
NHS Staff Discount
Used 216 times£100 Off Boiler Installation
Get £100 off your new A-rated boiler installation.
Coupon Code
£100 Off Boiler Installation
Used 133 timesFree Nest Thermostat with Boiler
Receive a free Google Nest thermostat worth £219.
Coupon Code
Free Nest Thermostat with Boiler
Used 110 timesExtra 2 Years Warranty Upgrade
Extend your manufacturer warranty by 2 extra years.
Coupon Code
Extra 2 Years Warranty Upgrade
OFFUsed 264 times
Up to 35% Off Selected Boilers
Major savings on Worcester Bosch and Viessmann models.
35% OFF
Up to 35% Off Selected Boilers
Used 28 times0% APR Financing Available
Spread the cost of your new boiler installation.
Deal
0% APR Financing Available
Used 172 timesFree Installation Quote
Instant, fixed-price quote online in 60 seconds.
Deal
Free Installation Quote
Used 211 timesSave £250 on Combi Boiler Swaps
Limited-time deal on upgrading your existing combi boiler.
Deal
Save £250 on Combi Boiler Swaps
Used 222 timesSummer Service Discounts 15% Off
Get 15% off your annual boiler service plan this summer.
Deal
Summer Service Discounts 15% Off
Heatable UK's Competitor Discounts
Heatable UK Promo Codes: Complete Timetable
Heatable UK has issued 3 total Heatable UK discount codes per our database. See our Heatable UK coupon timetable below for a complete record of all Heatable UK promo codes offered by this retailer over the past 3 years. Why do we show you this?
| Code | Discount | Description | Issue | Status |
|---|---|---|---|---|
| HEAT100 | CODE | £100 Off Boiler Installation | N/A | Active |
| NESTFREE | CODE | Free Nest Thermostat with Boiler | N/A | Active |
| WARR24 | CODE | Extra 2 Years Warranty Upgrade | N/A | Active |