CODE
Verified Top PickiHeat's October offer takes £100 off boilers that are not already discounted when you enter the code at checkout; it cannot be combined with sale prices, as shown on its new boiler page on 29 October 2026.
Expires: Oct 31, 2026
Installed
VerifiediHeat lists the Navien NCB 300 installed at £1,945 (was £2,015), the Alpha Etec NX at £2,145 (was £2,245) and the Glow-worm Compact at £2,195 (was £2,295), fitting and VAT included, as shown on its new boiler page on 29 October 2026.
Limited Time Offer
VAT incl
VerifiediHeat gives a fixed online price for a new boiler, with installed prices from £1,945 for the Navien NCB 300, fitting and VAT included, and covers England, Scotland and Wales, as shown on iheat.co.uk on 29 October 2026.
Limited Time Offer
Boiler
VerifiedThe Worcester Greenstar 1000 and Greenstar 2000 are listed at £2,295 installed and the Greenstar 4000 at £2,445, fitting and VAT included, as shown on the iHeat new boiler page on 29 October 2026.
Limited Time Offer
CO Alarm
VerifiediHeat's installed price includes old boiler removal where safe, a magnetic boiler filter, a carbon monoxide alarm, a chemical flush, flue parts for runs up to 5m and a wireless thermostat on combi replacements and conversions; powerflush, scaffolding and asbestos removal are extra, as listed on 29 October 2026.
Limited Time Offer
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Extra codes from partner brands, refreshed alongside this store's offers.
A practical savings guide for shoppers using Iheat UK offers.
Yes. On 29 October 2026 iHeat's new boiler page showed code OCT100 for £100 off boilers that are not already discounted,, described as this October's offer; it cannot be combined with sale prices. Several boilers also have sale prices of their own.
Every price includes fitting and VAT. The Navien NCB 300 is £1,945 (was £2,015), the Alpha Etec NX £2,145 (was £2,245) and the Glow-worm Compact £2,195 (was £2,295). The Worcester Greenstar 1000 and 2000 are £2,295 and the Greenstar 4000 is £2,445. You answer questions online to get a fixed price, pick a date and pay.
The installed price covers removing the old boiler where safe, a magnetic boiler filter, a carbon monoxide alarm, a chemical flush, flue parts for runs up to 5m, gas pipe upgrades for runs up to 12m, a 12 month workmanship warranty and a wireless thermostat on combi replacements and conversions. Powerflush, scaffolding and asbestos removal are not included. Next day fitting is offered on weekdays, subject to availability, if booking, payment and photos are done before 3pm; a simple combi swap usually takes one day. Boiler servicing is booked and paid separately.
Offers on this page were checked on the shop's own website on 29 October 2026.
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