The UK SME Guide to Carbon Reduction Plans and PPN 006 in 2026

If your company supplies goods or services to UK public sector bodies — central government departments, NHS trusts, local authorities, or arm's-length bodies — and the contract value is above £5 million per year, you are now required to have a Carbon Reduction Plan (CRP) to qualify for the tender.

This requirement comes from Procurement Policy Note 006 (PPN 006), which has been in effect since September 2021. But 2026 marks a significant expansion of its reach. The Procurement Act 2024, which came into force in February 2025, and new NHS procurement thresholds mean that more contracts than ever are now above the £5 million annual value threshold. The number of SMEs discovering this requirement mid-tender — often for the first time, with no time to prepare — is growing.

This guide covers exactly what you need to know: what a Carbon Reduction Plan is, what it must contain, how to get it right, and how long it takes.

What is a Carbon Reduction Plan?

A Carbon Reduction Plan is a publicly available document that commits your organisation to achieving net zero by 2050, and sets out the actions and interim targets you will take to get there. It must be based on measured emissions data — not estimates — and it must be signed off by a director or equivalent senior officer.

The requirement is designed to ensure that the UK government's own supply chain is aligned with its net zero commitments. Rather than asking suppliers to immediately be at net zero, it asks them to have a credible, data-backed plan to get there.

CRPs under PPN 006 must cover:

• Your current baseline emissions for Scope 1 and Scope 2 (direct and electricity/heat emissions)
• A commitment to net zero by 2050 at the latest
• Interim reduction targets with dates
• The specific actions you are taking to reduce emissions in each scope
• A statement signed by a board director confirming the plan's accuracy
• Verification by a qualified independent third party

The verification requirement is often the point where companies run into difficulty. A CRP is not just an internal document — it must be signed off by someone outside your organisation who can confirm your emissions data and methodology are sound.

What the PPN 006 technical standard requires

PPN 006 is accompanied by a technical standard published by Crown Commercial Service that specifies the exact requirements for a compliant CRP. The key requirements are:

Baseline emissions data. Your CRP must disclose your Scope 1 and Scope 2 (location-based) emissions for a specific baseline year. The data must be measured, not estimated, and must use methodology consistent with the GHG Protocol Corporate Accounting Standard or an equivalent recognised framework. UK government DESNZ conversion factors should be used for UK energy data.

Scope 3 disclosure (recommended, not mandatory). The technical standard encourages, but does not currently require, disclosure of Scope 3 emissions. Including a Scope 3 estimate — even a high-level one for your most material categories — strengthens the credibility of the plan and future-proofs it as requirements evolve.

Net zero commitment. An explicit commitment to net zero by 2050, consistent with the UK government's legal obligations under the Climate Change Act 2008.

Interim targets. At least one interim milestone before 2050. Well-structured CRPs typically include a 2030 or 2035 target with a percentage reduction figure relative to the baseline year.

Reduction actions. Specific, time-bound actions across each emissions scope. Vague commitments such as "we will seek to reduce energy use" are unlikely to satisfy verification requirements. The standard expects named initiatives with indicative timelines and expected impact.

Third-party verification. This is a hard requirement. The verifier must be independent of your organisation, qualified in carbon accounting, and must confirm that: the emissions data is accurate and based on appropriate methodology; the calculation approach is consistent with recognised standards; and the reduction commitments are credible.

How NHS procurement expansion has changed the picture in 2026

The Procurement Act 2024 introduced revised contract value thresholds for NHS procurement. The practical effect is that more NHS contracts now meet the £5 million annual value threshold — meaning more NHS suppliers now need a CRP to compete.

Healthcare and pharmaceutical supply chains are among the largest contributors to public sector Scope 3 emissions. NHS England has made net zero commitments that depend on supplier engagement, and the CRP requirement is the primary mechanism for ensuring suppliers are aligned. NHS trusts are now routinely including CRP compliance checks in pre-qualification questionnaires (PQQs) and invitations to tender (ITTs) as standard.

For companies that supply healthcare products, equipment, or services to NHS trusts — a sector that spans everything from medical devices to catering, facilities management to IT services — 2026 is the year when many are discovering the CRP requirement for the first time. The companies that have already done the preparation work will win contracts; those who haven't will face the choice of losing opportunities or rushing through a compliance process under time pressure.

How long does it take to prepare a CRP?

The honest answer: for companies starting from scratch, prepare for 6–12 weeks minimum. For companies that already have SECR reporting in place, the timeline can be shorter — often 4–6 weeks — because the core Scope 1 and 2 baseline data is already measured and documented.

The typical process looks like this:

Weeks 1–2: Data collection. Gather your energy consumption data (electricity, gas, fuel, transport), your operational boundary documentation, and any existing environmental reports. If you have SECR reporting, this phase is largely done.

Weeks 2–4: Emissions calculation. Apply appropriate conversion factors to produce your Scope 1 and Scope 2 figures. This is where methodology matters — using the correct DESNZ conversion factor vintage, applying the right calculation boundaries, and documenting your approach clearly so a verifier can assess it.

Weeks 3–5: Target-setting and action planning. Establish your baseline, set your interim and 2050 targets, and document the specific actions you are committing to. This phase often requires internal engagement — you need to identify who owns each reduction initiative and what the realistic timeline is.

Weeks 5–8: Verification. Engage a qualified third-party verifier. They will review your methodology documentation, your raw data, your calculation outputs, and your action commitments. Verification typically takes 2–3 weeks and may involve a back-and-forth on methodology questions.

Weeks 8–10: Publication. Publish the verified CRP on your company website at a publicly accessible URL. This is a hard requirement — the CRP must be publicly available, not just submitted to the contracting authority.

How CYF supports CRP preparation

A CRP built on CYF data meets the technical standard's methodology requirements from day one. CYF uses current DESNZ conversion factors, documents the calculation methodology in the platform, and produces Scope 1 and 2 outputs in the format that verifiers expect to see.

More practically: a company that has been using CYF for SECR reporting has already completed the hardest part of CRP preparation. The baseline emissions data is measured, documented, and methodology-backed. Moving from SECR compliance to a CRP is largely a question of adding the net zero commitment, the action plan, and arranging verification — not starting the measurement process from scratch.

CYF's benchmark dataset also provides a valuable supporting tool for the action planning stage. By showing how a company's Scope 1 and 2 intensity compares to sector peers, it helps build a credible, evidence-based argument for what reduction targets are ambitious but achievable — which is exactly what verifiers and contracting authorities are looking for.

Common CRP mistakes to avoid

Using estimated rather than measured data. PPN 006's technical standard requires measured emissions data. Spend-based estimates or extrapolations from industry averages will not pass verification. If you don't have measured energy consumption data, you need to establish it before you can produce a compliant CRP.

Missing the public availability requirement. The CRP must be on your website at a stable, publicly accessible URL. Submitting a document to a tender portal is not sufficient — contracting authorities will check that the URL works.

Vague reduction commitments. "We aim to reduce our carbon footprint" is not a CRP commitment. Verifiers expect named initiatives, ownership, and indicative timelines. The more specific your action plan, the more credible the CRP.

Director sign-off by the wrong person. The CRP must be signed by a director or equivalent. A sustainability manager or environmental consultant cannot sign it. This is a governance requirement, not just a practical one.

Not planning for annual updates. CRPs are not one-time documents. They need to be updated annually to reflect progress against targets. Build the process for updating your CRP into your annual reporting calendar alongside your SECR or financial reporting obligations.

Compare Your Footprint supports UK SMEs in building the measured emissions data that Carbon Reduction Plans require. Our platform produces Scope 1 and 2 outputs aligned with DESNZ conversion factors and GHG Protocol methodology — the standard that CRP verifiers work to.