Plain-English guide

For SME and corporate bid teams

Carbon · Social value · Workforce

A guide to sustainably-weighted bids. How they're scored. How to win them.

Public-sector and large-corporate tenders now routinely score 10–30% of the available marks on sustainability – carbon, social value, supply-chain emissions, workforce upskilling. 

This page is a plain-English guide for bid teams who want to understand the scoring, the workflow and the most common reasons strong companies still lose. If you want it done with you, the link to our Bid + Funding Support service is at the bottom.

10–30%

Marks now sustainability-weighted

75%

Win rate when we lead the sustainability narrative

4

Scoring questions every buyer asks

6-step

Workflow before press-submit

Start here

What "sustainably-weighted" means in practice.

A “sustainably-weighted” bid simply means the buyer has built environmental and social-value criteria into the scorecard. The weighting is usually published in the tender – read the ITT scorecard first; it will tell you exactly which sections are marked, how many marks each is worth, and what the buyer wants to see. 

The weight has been climbing year on year across UK public-sector frameworks, devolved-government tenders, NHS, FM and major construction. It is no longer optional content – it’s a third of the score in a growing number of bids.

Where bids are won and lost

Four scoring questions every buyer asks.

Across hundreds of bid responses, the same four sustainability questions appear in some form – and the gap between the answer that scores a 5 and the one that scores a 9 is consistent. Use these as a self-diagnostic before you draft.

01

"What is your carbon footprint?"

Weak answer: “we are committed to net zero by 2050.” Strong answer: Scope 1, 2 and material Scope 3 baseline numbers, last three years’ trajectory, year-by-year reduction targets, named owner, the standard you’ve baselined against. Zero ambiguity.

02

"How will you reduce emissions on this contract?"

Weak answer: “we will work with the client to identify opportunities.” Strong answer: 4–6 named operational moves, expected reduction in tCO2e, supplier-side and own-operations split, KPI definitions, reporting cadence.

 

04

"What is your social value plan?"

Weak answer: “we offer apprenticeships.” Strong answer: TOMS-mapped commitments, local labour and SME spend percentages, environmental volunteering hours, community education contribution – all numerical, all auditable.

05

"How do you upskill your workforce on sustainability?"

Weak answer: “we have a sustainability training programme.” Strong answer: CPD-accredited curriculum, hours per FTE per year, named delivery partner, evidence of behaviour-change KPIs. Most bid teams under-resource this section – it is often the easiest swing in score.

A working method

A six-step workflow before you press submit.

A simple sequence that tightens any sustainability response. Run it once on a recent bid you lost – the gap usually shows up in steps 02 and 04.

 

01

Read the scorecard first

Before drafting, isolate every sustainability-marked clause in the ITT. Mark the weight on each. Treat the highest-weight clauses as the primary draft target.

Day 1 Scorecard

02

Lift the answers off your evidence base

Carbon footprint, training hours, social-value record, supplier-engagement progress – these should already exist as evidence. If they don’t, that’s a bid-readiness gap, not a bid-writing one.

Days 2–3 Evidence

03

Make every claim numerical

Replace every qualitative phrase with a number, a date or a named owner. “Significant”, “committed”, “ongoing” cost marks. Specifics earn them.

Days 4–5 Numbers

04

Tie commitments to the contract

Generic CSR statements rarely score. Contract-specific commitments – what changes for this client, on this contract, in this region – score consistently higher.

Day 6 Contract-tied

05

Get a second pair of eyes

Have someone outside the bid team read the sustainability sections cold. If they can’t score it themselves against the published scorecard, it isn’t ready.

Day 7 Review

06

Submit, debrief, learn

Whether you win or lose, request the buyer feedback. The score breakdown by section is the single most valuable input for the next bid.

Post-submit Debrief

Why hyper-tailored mattered

Strategy alignment is a behaviour problem, not a content problem.

01

Group-level claims for a contract-level question

The buyer is asking what changes on this contract. Group-level net-zero pledges don’t answer that – and evaluators are increasingly trained to spot the substitution.

02

Unverifiable training numbers

“All staff trained annually” without a CPD-accredited curriculum, hours-per-FTE record or named delivery partner reads as marketing. It scores like marketing too.

03

Social value as charity

TOMS-aligned social value is measurable: labour, spend, volunteering hours, education contribution. Charitable-donation language signals the team hasn’t engaged with the framework.

04

Scope 3 left blank

Buyers know most of your emissions sit in Scope 3. A response that only addresses Scope 1 and 2 will be marked down — even if the Scope 3 picture is unfinished, the methodology and direction matter.

 

05

Recycled answers across bids

The same sustainability response submitted into three different frameworks will under-perform in all three. Each tender has its own scorecard language — match it.

 

06

No named owner

“The team will deliver…” without a named role and reporting cadence reads as risk. A named owner with a stated reporting frequency is the simplest mark to earn.

 

Funding + tender routes worth knowing

A quick map of the funded routes most often missed.

01

UK Shared Prosperity Fund

LA-led pots covering workforce upskilling, decarbonisation and place-based regeneration. SMEs are eligible. Most never bid.

 

02

Innovate UK / NZIP

Industrial decarbonisation, NZIP, Smart Grant, KTPs. Technical and commercial case both score; partner with an academic where R&D depth is needed.

 

03

Welsh Government

Foundational Economy, FGCW-aligned, Net Zero Wales. Welsh-language delivery is often a scoring advantage, not just a compliance ask.

 

04

Salix / public estate

Salix Finance for public-estate decarbonisation — schools, councils, NHS. Heat decarb, LED, BEMS. Strong for bid-defence on framework retentions.

 

05

Private-sector tenders

Construction, FM, logistics framework bids. PQQ and ITT response — sustainability and social-value sections increasingly carry the swing.

 

06

EU LIFE / Horizon (UK assoc.)

Where consortium work is the route. Limited slots; usually the right home for cross-border partnership and academic-led innovation.

 

“The support we received from One Earth Education was invaluable, helping us secure funding for a solar system with battery storage.

The consultancy and bid writing support also helped us access suppliers list - a game-changer for our business.”

Common questions

Things bid teams ask while reading this guide.

What does 'sustainably-weighted' actually mean?

It means the buyer has built sustainability scoring directly into the tender – typically 10–30% of the total marks. Carbon plan, social value, supply-chain emissions, workforce upskilling. The marks are real marks: they decide the outcome alongside price and quality.

 

Usually split across the quality response (carbon plan, environmental management, workforce upskilling), the social-value section (TOMS-aligned commitments, local labour, SME spend) and an evaluator’s scorecard for ‘contract-specific commitments’. Read the ITT scorecard first – it tells you exactly what’s being marked.

 

Earlier than most teams do. Carbon baselining, social-value framework, training partner — these need to be in place before the bid lands, not built during the four-week window. The teams that win bids consistently treat sustainability as bid-readiness, not bid-content.

 

Send the ITT to a bid-writing partner who knows sustainability scoring. We offer that under our Bid + Funding Support service – see the link at the bottom of this page. Even with two weeks to go, the sustainability and social-value sections are usually where the biggest swing in score is available.

 

Next step

Want this done with you?

If you’d rather not run the workflow alone, our Bid + Funding Support service offers full bid-writing on sustainability and social-value sections — including a 90% win rate on bids we lead. Send the ITT and we’ll come back within 48 hours with an honest read on whether you’re winnable on the sustainability sections, and what we’d change.

Book your call

Get in touch with the One Earth Education team!