Carbon Reduction Plan
Heartflow is committed to achieving net zero emissions by 2045.
Baseline Emissions Footprint vs Current Emissions Footprint
Baseline emissions are a record of the greenhouse gasses that have been produced in the past and were produced prior to the introduction of any strategies to reduce emissions. Baseline emissions are the reference point against which emissions reduction can be measured.
| Emission Scope | Baseline Emissions, 2023 (tonnes CO2e) | Current Emissions, 2025 (tonnes CO2e) |
| Scope 1 | 0.0000 | 0.0000 |
| Energy Purchased (Sites, Other Emissions)** | 0.0000 | 0.0000 |
| Company Cars (Company Cars, Other Emissions) | 0.0000 | 0.0000 |
| Delivery Vehicles (Delivery Vehicles, Other Emissions) | 0.0000 | 0.0000 |
| Air Conditioning / Refrigerants (Other Emissions) | 0.0000 | 0.0000 |
| Scope 2 | 0.0000 | 0.0000 |
| Electricity (Sites, Other Emissions)** | 0.0000 | 0.0000 |
| Scope 3 | 38.8205 | 81.5964 |
| Purchased Goods and Services (Sites, Other Emissions)** | 0.0000 | 0.0000 |
| Capital Goods (Other Emissions) | 0.0000 | 0.0000 |
| Fuel & Energy Related Activities (Other Emissions) | 0.0000 | 0.0000 |
| Upstream Transportation & Distribution (Freighting Goods (Upstream), Other Emissions) | 0.0000 | 0.0000 |
| Waste Generated in Operations (Waste Disposal, Other Emissions) | 0.0000 | 0.0000 |
| Business Travel (Hotels, Air Travel, Public Transport & Hire Cars, Employee Owned Vehicles, Company Cars, Other Emissions) | 36.4834 | 79.6694 |
| Employee Commuting (Home Working, Employee Commuting, Other Emissions) | 2.3371 | 1.9270 |
| Upstream Leased Assets (Other Emissions) | 0.0000 | 0.0000 |
| Downstream Transportation & Distribution (Freighting Goods (Downstream), Other Emissions) | 0.0000 | 0.0000 |
| Processing of Sold Products (Other Emissions) | 0.0000 | 0.0000 |
| Use of Sold Products (Other Emissions) | 0.0000 | 0.0000 |
| End of Life Treatment of Sold Products (Other Emissions) | 0.0000 | 0.0000 |
| Franchises (Other Emissions) | 0.0000 | 0.0000 |
| Investments (Other Emissions) | 0.0000 | 0.0000 |
| Total | 38.8205 | 81.5964 |
| ** Generated from renewable sources * includes WTT |
Carbon Reduction: Projected vs Actual
In order to continue our progress to achieving Net Zero, we have adopted the following carbon reduction targets. We project that carbon emissions will decrease over the next years to 3.8821 by 2045 this is a reduction of 90%
Information About our Organisation
Scope 1 – There are no emissions associated with Scope 1 Scope 2 – There are no emissions associated with Scope 2 Scope 3 Category 4 Upstream Transportation and DIstribution – There are no emissions associated with Scope 3 Category 4 Category 5 Waste Generated in Operations – There are no emissions associated with Scope 3 Category 5 Category 9 Downstream Transportation and Distribution – There are no emissions associated with Scope 3 Category 9
Additional Details About our Emissions and Targets
| Year | Comments |
| 2025 | Emissions for Business Travel in 2025 were calculated using predominantly UK Govt Spend Based emissions factors. This has led to an increase in GHG emissions, as there is a decrease in granularity of data. Plans have been put in place to attempt to return to mileage based factors. |
| 2024 | Compared to the 2023 baseline year, there has been an increase in the use of public transport and a reduction in fights, indicating a positive shift towards lower-impact travel choices within the business. Additionally, the rise in home working suggests a potential move towards more online meetings, further reducing the need for travel. Scope 1 – There are no emissions associated with Scope 1 Scope 2 – There are no emissions associated with Scope 2 Scope 3 Category 4 Upstream Transportation and Distribution – There are no emissions associated with Scope 3 Category 4 Category 5 Waste Generated in Operations – There are no emissions associated with Scope 3 Category 5 Category 9 Downstream Transportation and Distribution – There are no emissions associated with Scope 3 Category 9 |
| 2023 | Scope 1 – There are no emissions associated with Scope 1 Scope 2 – There are no emissions associated with Scope 2 Scope 3 Category 4 Upstream Transportation and Distribution – There are no emissions associated with Scope 3 Category 4 Category 5 Waste Generated in Operations – There are no emissions associated with Scope 3 Category 5 Category 9 Downstream Transportation and Distribution – There are no emissions associated with Scope 3 Category 9 |
Carbon Reduction Projects
The following environmental management measures and projects are currently in progress or have been completed since the 2023 baseline.
Actions in Progress
Business Mileage – scope 3
Target Completion Date: 31/12/2026
Objective
To calculate the business mileage done by the company and reduce
Target
To reduce business mileage emissions by 01/01/2025
Action, Improvement or Control
Increase number of virtual meetings. Increase use of public transport. Where it is possible to influence, incentivise the use of hybrid or electric vehicles.
Reduce reliance on spend based data and implement mileage tracking
Target Completion Date: 31/12/2027
Objective
To improve the accuracy of transport related emissions by reducing reliance on spend based emission factors and implementing a structured system to record actual business mileage.
Target
Replace spend based calculations for business travel and vehicle use with activity based mileage data, supported by a consistent internal mileage tracking system.
Action, Improvement or Control
Systems and processes will be strengthened to reduce reliance on spend based emission factors and increase the use of activity based data within emissions calculations. Appropriate tracking mechanisms will be introduced where needed to capture relevant operational data more accurately. Clear guidance, defined responsibilities and consistent recording practices will be established to support reliable and transparent data collection across the organisation.
Reduce Air Travel
Target Completion Date: 31/12/2026
Objective
The business aims to reduce work-related air travel by implementing better meeting and travel options, whilst ensuring flights are taken only when essential. This approach will reduce the environmental impact.
Target
Reduce flight travel by 2025 calculation date.
Action, Improvement or Control
Implement a travel hierarchy framework that requires justification for air travel, focusing on remote collaboration tools and promoting train travel for domestic journeys where feasible.
Data Collection
Target Completion Date: 31/12/2026
Objective
As operations increase ensure that all required data is collected throughout the year
Target
Capture of critical operational data points across all business processes and activities required for Carbon Reduction Plan on a continuous basis throughout the year.
Action, Improvement or Control
Implement a standardised data collection protocol with checkpoints and validation steps at key operational stages, supported by regular audits and staff training.
Completed Actions
Declaration and Sign Off
This carbon reduction plan has been completed in accordance with PPN 06/21 and the associated guidance and reporting standard for Carbon Reduction Plans.
Emissions have been reported and recorded in accordance with the published reporting standard for Carbon Reduction Plans and the GHC Reporting Protocol corporate standard1 and uses the appropriate Government emission conversion factors for greenhouse gas company reporting2.
Scope 1 and Scope 2 emissions have been reported in accordance with SECR requirements, and the required subset of Scope 3 emissions have been reported in accordance with the published reporting standard for Carbon Reduction Plans and the Corporate Value Chain (Scope 3) Standard3.
This Carbon Reduction Plan has been reviewed and signed off by the board of directors (or equivalent management body).
