How to compare project value when financial and nonfinancial outcomes matter

Agree what choice the comparison must support

State the available choice before comparing project promises. Is the organisation deciding which work to start, how to sequence it or whether to reshape an existing commitment? Identify the alternatives that are genuinely feasible.

Agree relevant constraints, such as available funding, operating capacity or a required service condition. A mandatory condition should remain visible as a condition; it should not disappear inside an average score.

Then agree the outcomes that matter to this choice. Financial effects may sit alongside service timeliness, quality, accessibility, capability or resilience. The task is to make their significance understandable, rather than pretending they are all the same kind of value.

Put evidence alongside explicit criteria

For each criterion, describe the improvement, who experiences it and what evidence would show it. Retain the unit and comparison basis: spending, elapsed time, error rate and a structured resilience assessment answer different questions.

Set a common review horizon where that supports a fair comparison. Keep material differences in benefit timing, implementation costs, recurring costs and the period covered visible. Separate a forecast from a recorded result and state the assumptions behind either interpretation.

The Green Book’s UK public-appraisal context includes monetisable and unmonetisable effects, risks and uncertainty. This guide uses that as supporting context, not as a claim that the illustrative comparison is a compliant appraisal or replaces jurisdiction-specific requirements.

Work through a mixed-value comparison

Consider three fictional initiatives competing for limited delivery capacity over the next twelve months. The table contains illustrative expectations, not realised results or a ranking.

The service initiative is not value-free because spending may stay unchanged. The contract initiative is not automatically preferable because its main claim is financial. The resilience initiative needs evidence about the relevant service conditions, not a promise that disruption can never occur.

If a required continuity condition is unmet, that may constrain the feasible choice. If adoption capacity is scarce, sequencing may change the appeal of the service redesign. A comparison should expose those considerations before asking for a preferred option.

Make the trade-off and uncertainty inspectable

Explain which differences the decision-makers consider significant and why. Include the experience of affected groups where one option improves a headline result while disadvantaging others.

Test the assumptions that could alter the preference. For the example, ask what happens if the contract saving is delayed, the service improvement is smaller or the recovery objective cannot be demonstrated. Identify evidence that would resolve a material uncertainty before committing further.

Monetisation can be useful where the valuation method and assumptions are credible. It is not necessary to invent a monetary equivalent for every improvement. Keep natural-unit and qualitative evidence meaningful when conversion would introduce false precision.

Likewise, do not add unlike units or count a shared benefit twice. A common display format does not make days, money and assessed readiness additive. Use the non-financial benefits guide to strengthen the underlying observation and interpretation before comparing it.

Use scoring only with an explained method

A structured comparison can remain useful without a single numerical ranking. If scoring is used, explain what each scale means, how evidence informs it and how the comparison responds to different assumptions.

Keep thresholds and constraints separate from preferences. Make missing evidence recognisable rather than assigning an unexplained middle score. Allow reviewers to inspect the underlying outcomes instead of treating a final number as the argument.

Formal multi-criteria decision analysis is a specialist method, not simply choosing weights and adding scores. HM Treasury’s supplementary guidance makes that distinction in its appraisal setting. Seek an approach proportionate to the decision and applicable requirements rather than claiming that a simple scorecard satisfies that guidance.

No score, weighting formula or proprietary Wovex calculation is used in this example. It illustrates the evidence and judgement needed to compare different kinds of project value.

Record the judgement and revisit its basis

Record the selected option or sequence, important alternatives, significant trade-offs and the evidence available. Name the assumptions and developments that would justify reconsideration, with responsibility for checking them.

The decision may be to obtain further evidence or resolve a constraint rather than select an immediate winner. Explain that response clearly enough for someone else to understand it later. For the wider investment process, use the portfolio prioritisation guide.

Wovex supports comparison using financial, non-financial, strategic and risk-related criteria in the relevant product scope. Confirm the plan, permissions, configuration and any applicable add-on for a proposed demonstration. The generic comparison here is not a description of its algorithm or a guarantee of the best investment decision.