How to Read National Audit Office Reports on Spending

To read National Audit Office reports, start with the scope and summary, then follow the main findings back to their evidence. Read each spending figure alongside its dates, assumptions and exclusions before drawing conclusions.

You don’t need an accounting qualification to understand whether government spending delivers value for money. You do need to distinguish money already spent from forecasts, and evidence of failure from gaps in information.

The first step is understanding what the auditor examined and what its conclusions mean.

Key Takeaways

• Start with the report’s scope, publication date and overall conclusion before reading individual spending figures.
• Separate actual expenditure, estimated costs and projected savings, because they answer different questions.
• Judge costs alongside service outcomes, rather than assuming higher spending automatically means waste.
• Follow recommendations through to the responsible organisation, its response and any deadline for action.

Understand What National Audit Office Reports Examine

The test is economy, efficiency and effectiveness

The National Audit Office (NAO) scrutinises central government spending for Parliament. It’s independent of government and the civil service.

The NAO’s definition of value for money brings together three tests. Economy concerns the cost and quality of resources. Efficiency examines what those resources produce. Effectiveness considers whether spending achieves its intended outcomes.

A low purchase price therefore tells only part of the story. Poor-quality equipment can require expensive repairs, whilst a well-managed service can still miss its policy objectives.

The NAO publishes around 60 value-for-money reports annually. Its statutory powers include examining resource use under section 6 of the National Audit Act 1983.

Identify the kind of document you’re reading

A value-for-money report examines spending and delivery. An investigation may instead establish facts about a particular concern without reaching an overall value-for-money conclusion.

An audit opinion on annual accounts answers another question: whether the financial statements meet the relevant reporting requirements. An unqualified opinion doesn’t certify that every spending decision was sensible.

Also identify the organisation involved. Departments, agencies and arm’s-length bodies can have different responsibilities. Our explanation of quango spending and oversight covers why those boundaries matter when following public money.

Read the Report in a Useful Order

Reading every page consecutively can bury the central issue beneath background detail. A focused first pass gives you a clearer route through the document.

1. Read the scope statement to identify the programme, organisations and period examined.
2. Review the summary and overall conclusion to understand the NAO’s judgement.
3. Read the key findings and recommendations to identify the main problems and proposed actions.
4. Follow important claims into the detailed chapters, figures and methodology.

Record the publication date separately from the period covered. A recently published report may examine decisions taken several years earlier.

Scope exclusions matter too. A report about procurement might examine contract awards without assessing the full lifetime performance of the service.

Keep the report’s wording intact in your notes. “Cannot demonstrate value for money” describes an evidence problem. “Has not achieved value for money” states a stronger conclusion about performance.

Use the PDF’s search function for terms such as “estimate”, “baseline”, “limitations” and “recommendations”. Then read the surrounding paragraphs, because isolated search results can miss qualifications.

Read Spending Figures Without Losing Their Meaning

Separate budgets, expenditure and forecasts

A budget is an allocation or spending plan. Expenditure records money spent, whilst a forecast estimates what future spending may become.

Keep those categories separate. A programme’s expected lifetime cost isn’t the amount already paid. Similarly, an announced allocation doesn’t prove that a department has delivered anything.

Our guide to how departmental budgets are set explains the spending framework behind those allocations.

Also distinguish capital expenditure on assets from day-to-day running costs. Moving money between these categories can face restrictions, so a large investment budget doesn’t automatically fund extra staff.

When reading savings claims, establish whether they describe lower cash spending or staff time released for other work. Both can matter, but only the first necessarily reduces the bill.

Make comparisons on the same basis

Before comparing two figures, identify their financial years, price basis and coverage.

Cash figures include price changes. Real-terms figures adjust for inflation. Costs at constant prices use a stated base year, so they shouldn’t be compared directly with current-price totals.

Programme changes can also break a comparison. A revised estimate might include additional work, a longer delivery period or costs excluded from the original baseline.

Read the notes beneath each chart. They often explain whether figures include VAT, contingency or only selected organisations.

A projected lifetime cost and expenditure to date describe different things. Adding them together can count the same spending twice.

Finally, distinguish gross savings from net savings. Redundancy payments, replacement systems and contract termination costs can reduce the amount available for other services.

Test the Evidence Behind the Headline

Read the methodology and its limits

The methodology explains how the NAO reached its findings. It may describe interviews, financial analysis, document reviews, surveys or visits to selected organisations.

Different methods support different conclusions. Interviews can explain management decisions, but they don’t automatically establish the frequency of a problem across government.

Look for the number of organisations examined and how the NAO selected them. Findings from selected case studies don’t necessarily describe every department.

The NAO’s government spending evaluation framework provides useful context for assessing whether public bodies understand what their spending achieves.

Missing data is itself important. However, a department’s inability to measure performance doesn’t prove every pound was wasted.

Connect costs with results

A cost increase needs an explanation, not an automatic verdict. Demand, service quality and the complexity of cases can all affect spending.

Compare unit costs with outcomes wherever the report allows. A lower cost per transaction means little if errors rise or people wait longer.

The NAO’s report on better government cost information examines why understanding costs matters for productivity.

Also separate activity from results. Processing applications measures activity; reducing avoidable delays measures service performance. Strong scrutiny connects both to the resources used.

Follow Responsibility and Recommendations

Find who owns the problem

A report can identify weaknesses across several organisations. Don’t assume the department named on the cover controls every relevant decision.

Read which recommendations apply to the department, HM Treasury, the Cabinet Office or another body. Then identify whether the proposed action concerns funding, contract management, data quality or delivery.

This matters when responsibility is shared. A delivery body may control operational performance whilst another organisation sets spending rules.

Look for whether managers had timely information and clear authority. Accountability becomes difficult when nobody owns the full cost or the final result.

Recommendations also differ in urgency. Distinguish actions needed to contain an immediate risk from changes intended to improve future programmes. A recommendation to collect better data may be necessary, but it doesn’t itself repair a failing service.

Understand what happens after publication

The NAO reports findings and recommendations, but it doesn’t run departments or impose spending decisions.

The House of Commons Committee of Public Accounts (PAC) uses NAO work to question officials about public spending. Its subsequent report can recommend action, and government responses appear in Treasury Minutes.

Keep those documents distinct. An NAO finding, a PAC recommendation and a ministerial response carry different meanings.

A department accepting a recommendation isn’t evidence that it has completed the work. Look for a named owner, a delivery date and evidence of implementation in later reporting.

Use Audit Findings to Challenge Waste Fairly

Our Reform UK policies call for a leaner, more productive civil service and a stronger focus on delivery. That argument needs evidence about avoidable costs, weak management and public outcomes.

National Audit Office reports can strengthen that evidence. They don’t automatically validate every proposed cut or establish the savings from a different policy.

Separate your political judgement from the auditor’s conclusion. If you argue that money should move into frontline services, explain which expenditure could stop and what commitments would remain.

Administrative spending also needs examination on its merits. Payroll, fraud prevention and contract oversight can protect services and taxpayers. The question is whether their cost and performance are justified.

For procurement concerns, follow the chain between the approved budget, contract terms and payments. Our guide to scrutinising council procurement applies that approach locally.

When quoting a report publicly, include its date and relevant paragraph or figure number. Preserve qualifications, and avoid describing an entire budget as “waste” when the finding concerns one part.

Frequently Asked Questions

Does poor value for money mean fraud?

No. Poor planning, delays or weak contract management can undermine value for money without dishonesty. A fraud allegation requires evidence beyond disappointing performance or an expensive programme.

Does the NAO audit Durham County Council?

The NAO isn’t the external auditor for individual councils. Council accounts and external audit reports follow a separate route. Our guide to understanding council external audit explains how to interpret those documents.

Can an NAO report prove that a policy should end?

An NAO examination assesses how resources support policy delivery, rather than deciding whether the policy objective is desirable. Its findings can inform that debate, but the political judgement remains separate.

Make the Evidence Count

A useful reading ends with a clear account of what spending achieved, where performance fell short and who must act. Keep forecasts separate from expenditure, and preserve the limits of the evidence.

Choose the strongest finding and trace it to its supporting figure or paragraph. Precise scrutiny gives taxpayers a firmer basis for demanding better government than a large number stripped of context.