Octopus Heat Pump Referral Discount Code 2026: Get a £100 Gift Card + £7,500 BUS Grant 

If you’re planning to install an air source heat pump in 2026, you can reduce your upfront costs by using a verified Octopus Heat Pump referral link.
When you apply through a referral and complete your installation, you’ll receive a £100 digital gift card, on top of the £7,500 UK Government Boiler Upgrade Scheme (BUS) grant for eligible homes. 

This referral reward applies specifically to heat pump installations and is separate from Octopus Energy’s standard £50 energy-switch bonus. 

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How to Claim the £100 Octopus Heat Pump Referral Reward? 

To qualify for the £100 Octopus Heat Pump referral reward, the referral must be applied before your initial site survey. 

Step-by-Step Referral Process 

1. Start With a Verified Referral Link

   Begin your heat pump application using an official Octopus referral link. No promo code entry is required — tracking is automatic. 

2. Book Your Home Assessment

   Octopus assesses your property’s suitability, insulation levels, and existing heating system. 

3. Complete Your Heat Pump Installation

   A qualified Octopus installation team fits your air source heat pump. 

4. Receive Your £100 Gift Card

   After installation is completed and your first payment is successfully processed, Octopus issues your £100 digital gift card by email. 

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Octopus Heat Pump Referral – Quick Facts 2026 

• Referral Reward: £100 digital gift card 
• Applies To: Air source heat pump installations 
• Eligibility: New heat pump customers 
• Existing Octopus Energy Customers: Eligible 
• BUS Grant Compatible: Yes (£7,500) 
• Reward Timing: After installation + first payment 
• Stackable With £50 Energy Switch Credit:  No 

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Can You Combine the Referral With the £7,500 Boiler Upgrade Scheme? 

Yes. The Octopus heat pump referral reward can be stacked with the £7,500 Boiler Upgrade Scheme (BUS). 

Boiler Upgrade Scheme Explained 

The BUS grant is a UK government incentive that reduces the cost of installing low-carbon heating systems. For eligible properties, the grant is applied directly to the installation cost. 

When combined with: 

• Octopus’s installation pricing 
• The £7,500 BUS grant 
• The £100 referral reward 

Many households can significantly reduce their upfront heat pump investment, depending on property size, insulation, and radiator requirements. 

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Why Choose Octopus for Your Heat Pump Installation in 2026? 

Octopus Energy is one of the UK’s fastest-growing providers of low-carbon heating, offering an end-to-end solution that includes hardware, installation, and smart tariffs. 

Purpose-Built Heat Pump Hardware: Cosy 6 

Octopus manufactures its own heat pump, the Cosy 6, designed specifically for UK homes. 

• Efficient operation down to -10°C 
• Compact and low-noise design 
• Optimised for British housing stock 
• Compatible with existing radiator systems where suitable

Smart Heating With the Cosy Octopus Tariff 

The Cosy Octopus tariff is designed to work seamlessly with Octopus heat pumps. 

• Three off-peak heating windows daily
• Lower unit rates during cheap periods 
• Enables pre-heating to reduce peak-time costs 
• Automated smart controls for optimal efficiency 

This integration helps reduce long-term running costs compared to standard variable tariffs. 

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Frequently Asked Questions (2026)

Is the £100 Octopus heat pump referral reward guaranteed? 

The reward is issued once installation is completed and your first payment has been successfully processed, provided the referral was applied correctly. 

Can existing Octopus Energy customers use this referral? 

Yes. Existing Octopus customers can still apply a heat pump referral when booking a new installation. 

Does the referral affect my BUS grant eligibility? 

No. The referral reward does not impact your eligibility for the £7,500 Boiler Upgrade Scheme. 

When will I receive my £100 gift card? 

Most customers receive their digital gift card within a few weeks after installation and first payment. 

Do I need to enter a referral code manually? 

No. As long as you start your application using a verified referral link, tracking is automatic.