Carbon reporting guides for UK businesses
Plain-English guides for UK businesses: how to measure Scope 1, 2 and 3 emissions, what PPN 006, SECR, ESOS, UK SRS and the NHS ask for, how to answer customers, set targets and plan for net zero, and what it all costs. Each one links to the current official source and shows when we last checked it.
New to carbon reporting? Start with what has happened to you. Which do I need?
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Scope 1, 2 and 3 explained
What each scope covers, where every common business activity belongs, and which scopes UK rules ask you to report.
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How to calculate your footprint
Boundaries, data, the government conversion factors and a full worked example for a 20-person business.
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The 15 Scope 3 categories
Every GHG Protocol Scope 3 category in plain English, the five PPN 006 requires, and how to estimate each one.
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UK carbon conversion factors 2026
The DESNZ 2026 factors explained, including the 26% drop in the grid electricity factor.
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Carbon reporting glossary
Plain-English definitions of more than 60 terms in UK carbon reporting, from activity data to well-to-tank.
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Reports and rules
Carbon Reduction Plans and PPN 006
Who needs a Carbon Reduction Plan, what goes in it, who signs it and how to publish it.
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SECR reporting
Streamlined Energy and Carbon Reporting thresholds, contents and a worked example.
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NHS supplier net zero requirements
The NHS Net Zero Supplier Roadmap, Evergreen and Carbon Reduction Plans, in plain English.
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ESOS Phase 4
The Energy Savings Opportunity Scheme thresholds, the 31 December 2026 qualification date and the 5 December 2027 deadline.
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UK SRS
UK SRS S1 and S2, the FCA's rules for listed companies from 2027, the private company consultation and what it means for private companies.
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EU VSME for UK suppliers
The EU Voluntary Sustainability Reporting Standard, the Omnibus value chain cap, and the B1 and B3 energy and emissions figures EU customers ask UK suppliers for.
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Voluntary carbon reporting
Who has no legal duty to report, why customers, tenders, lenders and buyers ask anyway, what level of reporting fits and how to talk about it.
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Customer carbon data requests
How to answer supplier questionnaires, tender questions and requests for your share of emissions, without overpromising.
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Imports and CBAM
UK CBAM
Which goods are covered, who the importer is, the £50,000 threshold, how the charge works, carbon price relief, returns and records.
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How to calculate CBAM
Weight, emissions per tonne, the CBAM rate and carbon price relief, with a worked example for imported steel beams on default and verified data.
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Targets, offsets and risk
Science-based targets for SMEs
Who can use the SBTi SME route, what target you must set, and how the Corporate Net-Zero Standard V2 replaces it.
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Net zero for small businesses
Measure, set a target, cut the big sources first and report progress, with the UK grants and tax rules that help.
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Carbon offsetting
Offsets versus removals, the standards that matter, why offsets stay out of a Carbon Reduction Plan, and the CMA's green claims rules.
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Climate risk assessment
Flood and heat risk site by site with the official flood maps and UKCP18, one table to record it, and how it feeds TCFD-style reports, UK SRS S2 and tenders.
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Money, plans and tools
Claiming back Climate Change Levy
Find the levy on your bills, check whether a relief may apply, and send your supplier the letter and certificate to stop it and ask for up to four years back.
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What carbon reporting costs
Doing it yourself, software and consultants compared, with published prices and the hidden cost of your own time.
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Which plan and add-ons
The three plans and our add-ons side by side, with monthly and yearly prices (+ VAT) worked out for six typical customers.
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The free trial
What works on the trial, what needs a paid plan, and a step-by-step plan for getting your first reports in 14 days.
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Carbon reporting for accountants
Why clients ask (SECR, PPN 006, customer questionnaires), what the ledger already gives you, and how to price the work.
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Emission factor APIs
What a factor API does, the official datasets and their licences, building your own versus using an API, versioning by factor year and attribution.
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More
Carbon reporting explained
What carbon emissions reporting means, which UK rules and buyers ask for it, what a report contains, and a worked example from a year of bills.
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UK carbon reporting requirements
Mandatory GHG reporting, SECR, UK SRS, climate disclosures, ESOS, PPN 006, NHS and CBAM: who each one covers and what you report.
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Which do I need?
Start from what has happened to you, such as a tender asking for a Carbon Reduction Plan, and see the free check, plan or add-on that fits.
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Crypto carbon footprint
How much electricity and CO2e bitcoin uses on Cambridge's and Digiconomist's estimates, per coin mined and held, and why Ethereum's footprint fell 99.99%.
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Reporting crypto holdings
Why holding bitcoin carries a share of its emissions, how to work it out, which Scope 3 category to use, and what SECR, UK SRS, PPN 006 and MiCA require.
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Crypto carbon method
Our own open estimate of the whole bitcoin network, from the miners' machines and the grid, set beside Cambridge's and Digiconomist's, with every formula, input and date.
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