Octopus Heat Pump Referral Eligibility: Who Can Claim the £100 Reward
Octopus Energy's heat pump referral programme is open to both new customers and existing Octopus Energy account holders who book an air source heat pump installation for the first time, as verified by UseMyCode on 8 June 2026. The £100 digital gift card reward is not restricted to first-time Octopus customers—this is a critical distinction from many competitor programmes that exclude existing energy customers. However, eligibility is conditional on four hard requirements: your postcode must fall within Octopus's current coverage area; your property must be suitable for air source heat pump installation (assessed during a mandatory site survey); you must click the referral link before your initial survey appointment is scheduled; and your first payment with Octopus must process successfully after installation completion.
Geographic coverage is the first eligibility gate. Octopus Heat Pump currently operates across most of Great Britain—England, Scotland, and Wales—but not all postcodes are served. Rural areas, Northern regions, and some urban postcodes remain unavailable as Octopus expands its installer network. You must enter your postcode into Octopus Energy's online coverage checker during the application process to confirm eligibility in real time. If your postcode shows "not currently available," the referral programme does not apply because Octopus cannot service your address. You can join a waitlist to receive notifications when coverage expands to your area, but no referral reward is available until Octopus begins operating in your postcode.
Property type and heating system suitability are assessed during your mandatory site survey. Eligible properties include houses, flats, bungalows, and other residential dwellings with existing heating systems (gas boiler, oil boiler, LPG boiler, or electric storage heater) that can be replaced with an air source heat pump. Properties with ground-source heating already installed, listed building status, or other technical constraints identified by the surveyor may be deemed ineligible—Octopus will explain the reason and may suggest alternative solutions. The survey is free and non-binding; if your property is ineligible, you are under no obligation to proceed, and no referral reward applies because the installation cannot be completed.
New Customer vs. Existing Customer: How Octopus Defines Eligibility
Octopus Energy defines a "new heat pump customer" as any individual booking an air source heat pump installation with Octopus for the first time, regardless of whether they already hold an Octopus electricity, gas, or other service account. This is the key distinction that makes Octopus's referral programme more inclusive than competitors: existing Octopus Energy customers are fully eligible for the £100 reward and face no restrictions or reduced incentive value. If you already pay Octopus for electricity or gas, you can still apply the heat pump referral link and receive the full £100 gift card upon installation completion.
However, "new heat pump customer" does mean you cannot have previously completed a heat pump installation with Octopus Energy. If you have already installed a heat pump through Octopus and received the referral reward (or any other heat pump incentive), you are ineligible for a second referral claim on a different property or a replacement system. The referral is a one-time-per-customer offer. If you are unsure whether your account has previously claimed a heat pump referral, contact Octopus customer service before clicking the referral link—they can confirm your eligibility status and advise whether you can proceed.
Existing Octopus Energy customers should note that the heat pump referral (£100) is separate from and not stackable with the standard Octopus Energy £50 new-customer energy-switch bonus. If you are also switching your electricity or gas supply to Octopus as part of your heat pump installation, you must choose which incentive to claim: the heat pump referral (£100) or the energy switch bonus (£50). Since the heat pump referral is significantly larger, this choice is straightforward—claim the referral. Confirm this election with Octopus during your application to avoid any confusion or missed credits.
Postcode Coverage and Property Suitability: The Hard Eligibility Gates
Postcode coverage is a binary eligibility gate: either Octopus Heat Pump operates in your area or it does not. There is no partial coverage, waitlist credit, or alternative arrangement if your postcode is not served. You must verify coverage before investing time in an application. Visit Octopus Energy's website, navigate to their heat pump application page, and enter your postcode into the coverage checker. The checker will immediately confirm whether Octopus can service your address. If the result is "not currently available," note the postcode and check back quarterly—Octopus publishes coverage expansion updates regularly, and your area may become eligible within 6–12 months. If your postcode is covered, you can proceed to the next eligibility stage: property suitability assessment.
Property suitability is determined during your mandatory site survey, which is free and non-binding. The surveyor will assess your existing heating system, radiator configuration, insulation level, property age, and structural factors to determine whether an air source heat pump can be installed safely and effectively. Most UK residential properties pass this assessment, but some do not. Common reasons for ineligibility include: ground-source heating already installed (Octopus does not replace ground-source systems); listed building or conservation area status (which may restrict external unit placement); severely undersized or incompatible radiators (which would require expensive replacement); or structural issues preventing safe outdoor unit installation. If your property is ineligible, Octopus will explain the reason in writing and may suggest alternatives (such as improving insulation first, or waiting for future technology changes). No referral reward applies if installation cannot proceed.
The BUS grant (£7,500) has additional property eligibility criteria that run parallel to the heat pump referral. Your property must have been built before April 2021, your current heating system must be a fossil fuel boiler or electric storage heating (not ground-source), and you cannot have previously received a BUS grant. Most properties that qualify for Octopus Heat Pump installation also qualify for the BUS grant, but verification occurs during your survey. If your property is ineligible for the BUS grant but eligible for the heat pump referral, you will still receive the £100 gift card—the two incentives are independent. Confirm BUS grant eligibility with Octopus during your survey consultation.
The Referral Link Timing Requirement: When You Must Click to Stay Eligible
The single most critical eligibility condition for the Octopus Heat Pump referral is timing: you must click the referral link before your initial site survey appointment is scheduled or completed. This is non-negotiable. If you have already submitted a heat pump application to Octopus without using the referral link, or if your survey has already been booked or conducted, the referral cannot be retroactively attached to your account—Octopus's system requires the referral to be embedded in your application from the outset.
Here is the correct sequence: (1) Click the referral link https://tech.referrals.octopus.energy/uYe2eHjf in your standard web browser with cookies enabled. (2) Complete your postcode check and property details on the Octopus application page. (3) Submit your application and provide contact information. (4) Octopus will contact you to schedule your site survey. (5) Attend your survey. (6) Proceed to installation. If you reverse this order—for example, by starting an application without the referral link first—you will miss the referral credit, and Octopus cannot add it later, even if you contact them immediately after realizing the mistake.
The reason for this strict timing is technical: Octopus's referral system embeds a unique tracking identifier in your browser session when you click the link. This identifier is tied to your application from the moment you begin sign-up. If you start an application without the referral link, no identifier is present, and Octopus's backend system will not recognize your application as a referral. Octopus customer service can sometimes manually attach a referral if your survey has not yet occurred, but this is not guaranteed and depends on Octopus's discretion and system capabilities. Do not rely on manual attachment—always click the referral link first, before any other action.
Payment Processing and Reward Delivery: The Final Eligibility Condition
The final condition for receiving your £100 gift card is successful payment processing. After your heat pump installation is completed and commissioned by Octopus, your first payment (whether a monthly energy bill, fixed-term payment, or other agreed arrangement) must be processed successfully by your bank or payment provider. Octopus will not issue the gift card until this payment clears. The timeline is: installation completion → first payment processes → within 90 days, Octopus issues the £100 digital gift card by email.
If your first payment fails (e.g., due to insufficient funds, incorrect bank details, or a payment processing error), the gift card will not be issued until the payment is successfully retried and cleared. Contact your bank or Octopus customer service immediately if your payment fails to resolve the issue quickly and get back on track for gift card delivery. If your payment is declined repeatedly, Octopus may suspend your account or cancel your service—in which case the referral reward is forfeited. Ensure your payment method is valid and funded before your installation completion date.
Once your first payment clears, Octopus will automatically issue your £100 digital gift card within 90 days. The gift card is delivered by email as a digital credit—no physical card is sent. Check your email (including spam and promotions folders) for the gift card notification. The email will contain instructions for redeeming or activating your card, which may be usable toward Octopus Energy services or other retailers including Amazon, M&S, IKEA, Airbnb, TK Maxx, and Costa, depending on the card provider's terms. The gift card can typically be used immediately upon receipt—no waiting period applies.
Restrictions: What Disqualifies You or Limits Your Reward
Several restrictions can disqualify you from the Octopus Heat Pump referral or reduce your eligibility. First, the one-per-customer rule: you can claim the referral only once. If you have already completed a heat pump installation with Octopus and received the £100 reward, you are ineligible for a second claim, even on a different property or if you install a replacement system years later. This is a permanent, lifetime restriction.
Second, the energy-switch bonus conflict: if you are also switching your electricity or gas supply to Octopus as part of your heat pump installation, you cannot claim both the heat pump referral (£100) and the energy switch bonus (£50). You must elect one or the other. Since the heat pump referral is larger, this is not a material disadvantage, but you must be aware of the restriction and confirm your choice with Octopus to avoid accidental double-claiming (which Octopus will reverse, leaving you with only one reward).
Third, the BUS grant interaction: the heat pump referral is stackable with the £7,500 BUS grant—no conflict exists. However, if you are ineligible for the BUS grant (e.g., because your property was built after April 2021, or because you have previously received a BUS grant), this does not affect your heat pump referral eligibility. The two incentives are independent. Verify your BUS grant eligibility separately during your survey consultation.
Fourth, the postcode and property suitability restrictions: if your postcode is not covered by Octopus Heat Pump, or if your property is deemed unsuitable for installation during the survey, you are ineligible for the referral. There are no exceptions or workarounds—if Octopus cannot install a heat pump at your address, the referral reward does not apply.
Fifth, the timing restriction: if you have already started an application without the referral link, or if your survey has already been scheduled or completed, the referral cannot be retroactively attached. This is a hard technical limitation. Always click the referral link first, before any other action.
Sixth, the payment processing requirement: if your first payment fails or is not processed, the gift card will not be issued. Ensure your payment method is valid and funded before your installation completion date. If payment issues arise, resolve them immediately with your bank or Octopus to avoid forfeiting the reward.
What Happens If You Don't Meet the Requirements: Your Options and Next Steps
If you discover you are ineligible for the Octopus Heat Pump referral—whether due to postcode coverage, property unsuitability, timing, or another restriction—you have several options depending on the specific reason for ineligibility.
If your postcode is not covered: Check Octopus Energy's website regularly for coverage expansion updates. Octopus publishes new postcode availability quarterly. If your area is expected to be covered within 6–12 months, you can join the waitlist and reapply when coverage arrives. In the meantime, explore alternative heat pump providers (British Gas, EDF Energy, Baxi, regional installers) who may already operate in your postcode. Some competitors offer comparable or higher referral incentives, so you may not lose significant value by switching providers.
If your property is ineligible during the survey: Octopus will provide a detailed explanation of the reason (e.g., ground-source heating already present, listed building status, structural constraints). Ask Octopus whether any remedial work (such as insulation improvements) could make your property eligible in future. If not, explore alternative heating solutions or wait for future technology changes that may expand eligibility criteria. You are not obligated to proceed with Octopus if your property is ineligible, and no costs are incurred for the survey itself.
If you started an application without the referral link: Contact Octopus customer service immediately and explain that you intended to use the referral link but began your application without it. Ask whether they can manually attach the referral to your account. Octopus may be able to do this if your survey has not yet been scheduled, but there is no guarantee. If they cannot help, you have forfeited the £100 reward for this application. For future applications (on a different property), always click the referral link first.
If your payment fails: Contact your bank or payment provider immediately to resolve the payment issue. Once your payment clears, Octopus will issue your gift card within 90 days. If the payment issue cannot be resolved, you may need to cancel your Octopus service and explore alternative providers—in which case the referral reward is forfeited.
If you are an existing Octopus customer unsure of your eligibility: Contact Octopus customer service before clicking the referral link and ask them to confirm whether your account is eligible for the heat pump referral. Provide your account number and ask them to check whether you have previously claimed a heat pump referral or any conflicting incentive. They can give you a definitive answer within 24 hours.
UseMyCode Editorial Tip: Screenshot the referral link URL (https://tech.referrals.octopus.energy/uYe2eHjf) and the confirmation email from Octopus stating your referral is active, before you book your survey. Keep these records until you receive your £100 gift card. If any eligibility issue arises, you can provide Octopus with documented proof of when and how you applied the referral, making manual credit requests and dispute resolution far more straightforward. This simple step has resolved the majority of referral credit disputes we have tracked.
Octopus Heat Pump Referral Terms Summary: Key Takeaways for 2026
The Octopus Heat Pump referral programme offers a straightforward £100 digital gift card reward to new and existing customers who complete an air source heat pump installation. Eligibility hinges on four non-negotiable conditions: your postcode must be covered by Octopus; your property must be suitable for heat pump installation (assessed during a free survey); you must click the referral link before your survey is scheduled; and your first payment must process successfully after installation. The reward is one-per-customer, non-stackable with the energy-switch bonus, but fully stackable with the £7,500 BUS grant. If you meet all conditions, your £100 gift card will be issued by email within 90 days of installation completion and first payment processing.
The most common reason referrals fail to credit is applying the referral link after your initial survey has been scheduled or completed. Octopus's system requires the referral to be attached to your account before the surveyor's first visit. Always click the referral link as your first step, before booking any appointment. If you have already started an application without the referral, contact Octopus customer service immediately—they can sometimes manually attach the referral if your survey has not yet occurred, but timeliness is essential. For full details on how to claim the referral and troubleshooting steps if the reward does not arrive, see the main Octopus Heat Pump offer page, where all codes on this page meet 2026 T&Cs.
About This Article
This article was written by the UseMyCode editorial team and last reviewed on 8 June 2026. UseMyCode independently verifies every referral link and discount code before publication. This page may contain affiliate links — see our editorial policy for details.