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Black Skies Blue Ltd's Climate Report
Submitted on 2025-10-03 · Edited on 2026-05-20
Introduction *
1.1 End day of the reporting period*
2025-05-31
1.1.1 Reporting year*
2025
1.2 Describe your business activities*
Sustainability Consultancy. We combine a small garden office with a co-working space. Alongside remote home working of part-time members across different locations.
1.4 Number of employees on the end day of the reporting period*
3
1.4.1 Full-time equivalent (FTE) or headcounts*
Headcounts
1.5 Is this report being submitted on behalf of a parent company or a subsidiary? If so, please briefly explain the relationship.*
Parent company
1.5.1 Please explain the relationship*
-
Commitment and Targets *
2.1 Net zero target year*
2045
2.1.1 Base year*
2024
2.1.2 Base year value*
0.4
Base year value confirmation*
-
2.2 Near-term target*
50% of absolute scope 1+2 emission reduction from my base year by 2030
25% of intensity scope 3 emission reduction from my base year by 2030
50% of intensity scope 3 emission reduction from my base year by 2035
2.3 Provide any additional comments or context on your net zero and near term targets.*
In 23/24 we set conservative targets to allow time to understand where we can make meaningful change. In 24/25 we have significantly improved our measurement methodology. Correcting a working days error that was overcounting Scope 2 by ~20%, introducing dual Scope 2 reporting as required by the GHG Protocol, and correctly calculating homeworking emissions for the first time. Our corrected 24/25 Scope 2 (location-based) figure of 0.129 tCO2e represents a genuine reduction of approximately 28% against our corrected 23/24 baseline of 0.175 tCO2e. We will review our near-term targets once we have two full comparable years of data. Our target-setting uses the SBTi Corporate Net-Zero Standard (SME route) as its framework, guided by the GHG Protocol. We do not anticipate formal SBTi validation in the near term given the cost, but will revisit this in 2026/27. Our long-term targets are a 75% reduction in emissions by 2040 and net zero by 2045, in line with Scotland’s net zero target.
2.4 To reduce emissions in line with my commitment, my company has a climate action plan and is taking action*
Yes, the plan and action include all scope 1+2+3
Own Emissions *
Energy consumption
3.2 Total energy consumption*
572.71 kWh
3.3 Total renewable energy consumption*
572.71 kWh
Scope 1 emissions
3.4 Scope 1 emissions*
0 metric tons CO2e
Scope 2 emissions
3.5 Location-based Scope 2 emissions*
0.129 metric tons CO2e
3.6 Market-based Scope 2 emissions*
0.011 metric tons CO2e
Scope 1 and 2 units confirmation*
-
3.7 Have you taken any actions to reduce Scope 1 and 2 emissions in the reporting period?*
-
3.8 Which tools or methods did you use to calculate your Scope 1 and 2 emissions?*
3.8.1 Specify any additional details*
Scope 2 is calculated from a device-level energy inventory: each piece of equipment in the garden office is assigned a wattage (manufacturer spec or industry average where spec unavailable), operating hours per day, and days used in the year. The garden office is used 4 days per week by the full-time employee (202 working days out of 252), with heating applied for the October–April season only (118 days). Location-based emissions use the DEFRA 2024 combined generation + T&D factor (0.22535 kgCO2e/kWh). Market-based emissions use the T&D-only factor (0.01839 kgCO2e/kWh), as the Octopus/Co-op Energy tariff is 100% renewable and REGO-backed (generation = 0), per GHG Protocol Scope 2 Guidance 2015. Dual reporting (location-based and market-based) is required by the GHG Protocol Scope 2 Guidance and was introduced for the first time in this 24/25 report. Data accuracy is moderate; primary source of uncertainty is device wattage assumptions for older equipment. We used Claude.ai to pull it all together, check our answers were accurate and make suggestions for further improvement. This uncovered some small miscalculations and we updated homeworking and co-working space to scope 3
Value Chain Emissions (optional)
Scope 3 emissions
4.1 Have you measured any of your scope 3 emissions?*
Yes
Supply chain related - upstream emissions
Customer related - downstream emissions
Scope 3 units confirmation*
-
4.2 Have you taken any actions to reduce scope 3 emissions in the reporting period?*
No
4.2.1 What actions have you taken to reduce scope 3 emissions in the reporting period?*
4.2.2 Provide any additional details*
-
4.3 Have you asked any of your suppliers to set a net zero target (either voluntarily or as a requirement)?*
No
4.3.1 What percentage of your suppliers have you asked?*
-
4.4 Have you communicated your commitment and actions to any of your customers?*
Yes
4.5 Which tools or methods did you use to calculate your scope 3 emissions?*
Own internal calculations, Other (please specify)
4.5.1 Specify additional details*
Business travel (Cat 6) is calculated from an actual journey log covering all business travel by Jayne and any colleagues during the reporting year. Distances use Google Maps routing (rail distance for train, road distance for car and bus). Affiliate associate travel is included where the individual was working on a BSB contract. DEFRA 2024 passenger km factors applied: car 0.16807 kgCO2e/km, national rail 0.035459 kgCO2e/km. Homeworking (Cat 7) uses the DEFRA 2024 combined office equipment and heating factor (0.33378 kgCO2e/FTE working hour), applied as FTE × 1,760 annual FTE hours × factor. Claire and William each work 1 day per week (0.2 FTE) from home. Co-working space (Cat 8) uses a benchmark estimate: a proxy figure based on CIBSE TM46 benchmarks (200 kWh/m²/yr combined electricity and gas, 6 m² per hot desk, 46 days of use). This carries high uncertainty; actual energy data has been requested from the provider but was not available for this report. Overall data accuracy for Scope 3: moderate for business travel (actual journeys, established emission factors); low for co-working (benchmark estimate). Homeworking is calculated, not metered, but uses an established DEFRA methodology.
Results, Challenges and Outlook *
7.1 Provide any additional comments or context on your annual results and progress from previous years.*
2024/25 is our second full year of emissions measurement. The headline result is a corrected Scope 2 (location-based) of 0.129 tCO2e which is a genuine reduction on the equivalent corrected 23/24 figure (0.175 tCO2e), driven primarily by improved working days accuracy and a more precise heating season calculation. On a market-based basis, our Scope 2 is 0.011 tCO2e, reflecting our renewable energy tariff. The most significant development this year is the correction and expansion of our Scope 3 measurement: • Homeworking emissions correctly calculated for the first time at 0.235 tCO2e (the 23/24 figure of 0.0001 tCO2e was an error due to an omitted hours multiplier in the methodology) • Co-working space added as Scope 3 Cat 8 at 0.049 tCO2e (estimated benchmark, data gap to close) • Business travel for 24/25 at 0.277 tCO2e, an increase from 23/24’s 0.035 tCO2e, driven almost entirely by four long-distance rail trips (Oxford, London ×2, Liverpool) that did not feature in 23/24 Total 24/25 emissions on a location-based basis are 0.690 tCO2e. On a market-based basis (reflecting our renewable tariff) the figure is 0.572 tCO2e. The rise in total reported emissions against 23/24 is almost entirely attributable to (a) correcting the homeworking methodology and (b) a busier year for long-distance business travel. On a like-for-like basis using consistent methodology, our underlying operational emissions are stable; the growth in the reported total reflects a more complete and accurate inventory rather than a deterioration in performance.
7.2 Do you face any key challenges in reducing emissions?*
Reducing scope 3 emissions, Limited control over energy use in buildings, Reducing emissions from business travel, Balancing emission reductions with business growth, Complexities in managing supply chain emissions, Time constraints
Specify other challenges*
-
7.3 Has there been any third party validation of the data submitted in this report?*
No
-
Black Skies Blue Ltd's Climate Report
Black Skies Blue Ltd's Climate Report - 2025
Introduction *
1.1 End day of the reporting period*
2025-05-31
1.1.1 Reporting year*
2025
1.2 Describe your business activities*
Sustainability Consultancy. We combine a small garden office with a co-working space. Alongside remote home working of part-time members across different locations.
1.4 Number of employees on the end day of the reporting period*
3
1.4.1 Full-time equivalent (FTE) or headcounts*
Headcounts
1.5 Is this report being submitted on behalf of a parent company or a subsidiary? If so, please briefly explain the relationship.*
Parent company
1.5.1 Please explain the relationship*
-
Commitment and Targets *
2.1 Net zero target year*
2045
2.1.1 Base year*
2024
2.1.2 Base year value*
0.4
Base year value confirmation*
-
2.2 Near-term target*
50% of absolute scope 1+2 emission reduction from my base year by 2030
25% of intensity scope 3 emission reduction from my base year by 2030
50% of intensity scope 3 emission reduction from my base year by 2035
2.3 Provide any additional comments or context on your net zero and near term targets.*
In 23/24 we set conservative targets to allow time to understand where we can make meaningful change. In 24/25 we have significantly improved our measurement methodology. Correcting a working days error that was overcounting Scope 2 by ~20%, introducing dual Scope 2 reporting as required by the GHG Protocol, and correctly calculating homeworking emissions for the first time. Our corrected 24/25 Scope 2 (location-based) figure of 0.129 tCO2e represents a genuine reduction of approximately 28% against our corrected 23/24 baseline of 0.175 tCO2e. We will review our near-term targets once we have two full comparable years of data. Our target-setting uses the SBTi Corporate Net-Zero Standard (SME route) as its framework, guided by the GHG Protocol. We do not anticipate formal SBTi validation in the near term given the cost, but will revisit this in 2026/27. Our long-term targets are a 75% reduction in emissions by 2040 and net zero by 2045, in line with Scotland’s net zero target.
2.4 To reduce emissions in line with my commitment, my company has a climate action plan and is taking action*
Yes, the plan and action include all scope 1+2+3
Own Emissions *
Energy consumption
3.2 Total energy consumption*
572.71 kWh
3.3 Total renewable energy consumption*
572.71 kWh
Scope 1 emissions
3.4 Scope 1 emissions*
0 metric tons CO2e
Scope 2 emissions
3.5 Location-based Scope 2 emissions*
0.129 metric tons CO2e
3.6 Market-based Scope 2 emissions*
0.011 metric tons CO2e
Scope 1 and 2 units confirmation*
-
3.7 Have you taken any actions to reduce Scope 1 and 2 emissions in the reporting period?*
-
3.8 Which tools or methods did you use to calculate your Scope 1 and 2 emissions?*
3.8.1 Specify any additional details*
Scope 2 is calculated from a device-level energy inventory: each piece of equipment in the garden office is assigned a wattage (manufacturer spec or industry average where spec unavailable), operating hours per day, and days used in the year. The garden office is used 4 days per week by the full-time employee (202 working days out of 252), with heating applied for the October–April season only (118 days). Location-based emissions use the DEFRA 2024 combined generation + T&D factor (0.22535 kgCO2e/kWh). Market-based emissions use the T&D-only factor (0.01839 kgCO2e/kWh), as the Octopus/Co-op Energy tariff is 100% renewable and REGO-backed (generation = 0), per GHG Protocol Scope 2 Guidance 2015. Dual reporting (location-based and market-based) is required by the GHG Protocol Scope 2 Guidance and was introduced for the first time in this 24/25 report. Data accuracy is moderate; primary source of uncertainty is device wattage assumptions for older equipment. We used Claude.ai to pull it all together, check our answers were accurate and make suggestions for further improvement. This uncovered some small miscalculations and we updated homeworking and co-working space to scope 3
Value Chain Emissions (optional) *
Scope 3 emissions
4.1 Have you measured any of your scope 3 emissions?*
Yes
Supply chain related - upstream emissions
Customer related - downstream emissions
Scope 3 units confirmation*
-
4.2 Have you taken any actions to reduce scope 3 emissions in the reporting period?*
No
4.2.1 What actions have you taken to reduce scope 3 emissions in the reporting period?*
4.2.2 Provide any additional details*
-
4.3 Have you asked any of your suppliers to set a net zero target (either voluntarily or as a requirement)?*
No
4.3.1 What percentage of your suppliers have you asked?*
-
4.4 Have you communicated your commitment and actions to any of your customers?*
Yes
4.5 Which tools or methods did you use to calculate your scope 3 emissions?*
Own internal calculations, Other (please specify)
4.5.1 Specify additional details*
Business travel (Cat 6) is calculated from an actual journey log covering all business travel by Jayne and any colleagues during the reporting year. Distances use Google Maps routing (rail distance for train, road distance for car and bus). Affiliate associate travel is included where the individual was working on a BSB contract. DEFRA 2024 passenger km factors applied: car 0.16807 kgCO2e/km, national rail 0.035459 kgCO2e/km. Homeworking (Cat 7) uses the DEFRA 2024 combined office equipment and heating factor (0.33378 kgCO2e/FTE working hour), applied as FTE × 1,760 annual FTE hours × factor. Claire and William each work 1 day per week (0.2 FTE) from home. Co-working space (Cat 8) uses a benchmark estimate: a proxy figure based on CIBSE TM46 benchmarks (200 kWh/m²/yr combined electricity and gas, 6 m² per hot desk, 46 days of use). This carries high uncertainty; actual energy data has been requested from the provider but was not available for this report. Overall data accuracy for Scope 3: moderate for business travel (actual journeys, established emission factors); low for co-working (benchmark estimate). Homeworking is calculated, not metered, but uses an established DEFRA methodology.
Results, Challenges and Outlook *
7.1 Provide any additional comments or context on your annual results and progress from previous years.*
2024/25 is our second full year of emissions measurement. The headline result is a corrected Scope 2 (location-based) of 0.129 tCO2e which is a genuine reduction on the equivalent corrected 23/24 figure (0.175 tCO2e), driven primarily by improved working days accuracy and a more precise heating season calculation. On a market-based basis, our Scope 2 is 0.011 tCO2e, reflecting our renewable energy tariff. The most significant development this year is the correction and expansion of our Scope 3 measurement: • Homeworking emissions correctly calculated for the first time at 0.235 tCO2e (the 23/24 figure of 0.0001 tCO2e was an error due to an omitted hours multiplier in the methodology) • Co-working space added as Scope 3 Cat 8 at 0.049 tCO2e (estimated benchmark, data gap to close) • Business travel for 24/25 at 0.277 tCO2e, an increase from 23/24’s 0.035 tCO2e, driven almost entirely by four long-distance rail trips (Oxford, London ×2, Liverpool) that did not feature in 23/24 Total 24/25 emissions on a location-based basis are 0.690 tCO2e. On a market-based basis (reflecting our renewable tariff) the figure is 0.572 tCO2e. The rise in total reported emissions against 23/24 is almost entirely attributable to (a) correcting the homeworking methodology and (b) a busier year for long-distance business travel. On a like-for-like basis using consistent methodology, our underlying operational emissions are stable; the growth in the reported total reflects a more complete and accurate inventory rather than a deterioration in performance.
7.2 Do you face any key challenges in reducing emissions?*
Reducing scope 3 emissions, Limited control over energy use in buildings, Reducing emissions from business travel, Balancing emission reductions with business growth, Complexities in managing supply chain emissions, Time constraints
Specify other challenges*
-
7.3 Has there been any third party validation of the data submitted in this report?*
No
-
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