UK PUBLIC CAPITAL MONITOR

Research hub

Analysis, evaluations and scrutiny of UK public financial institutions and the UK’s multilateral interests.

Catalogue reviewed 17 Sep 2026
33 publications · Newest firstAbout the research collection →
Policy analysis

Housing Outlook Q3 2026

Resolution Foundation

Examines combinations of grants, developer contributions and National Housing Bank loans for increasing affordable housing supply. It estimates the possible contribution of NHB’s low-interest facility under different tenure choices, rather than reporting completed housing outcomes.

Why it matters Explores how one NHB financing instrument could affect housing policy delivery and funding trade-offs.

NHBMandates and policyCapital, funding and risk
Policy analysis

Much ado about PuFins: How the UK’s public financial institutions can unlock billions for investment

Resolution Foundation

Maps the expansion of UK public financial institutions and examines investment options under the fiscal rules. The authors recommend additional National Wealth Fund capital and question the case for institutions issuing their own bonds.

Why it matters Connects the size, funding and role of several UK public financial institutions in one analysis.

NWFBBBUKEFNHBCapital, funding and riskImpact and value for money
Policy analysis

Multilateral Development Finance 2026

OECD Publishing

The OECD’s fifth report on multilateral development finance analyses funding to the system, financing supplied by multilateral organisations and the implications of tightening aid budgets. It examines funding vulnerabilities, institutional proliferation and options for more strategic engagement with the multilateral system.

Why it matters Provides context for UK choices between core contributions, earmarked funding and replenishments, including the effects of cuts on institutions’ collective capacity.

Multilateral systemMandates and policyCapital, funding and risk
Independent scrutiny

Managing the government’s financial investments: the Financial Transaction Control Framework

National Audit Office

Examines the design, implementation and oversight of the Financial Transaction Control Framework. The NAO identifies incomplete implementation and calls for stronger coordination, data and institutional designation processes.

Why it matters Explains the controls through which Treasury seeks to manage financial investments across departments and PuFins.

UK systemGovernance and accountabilityCapital, funding and riskImpact and value for money
Independent scrutiny

Report on the proposed subsidy for capitalisation of the National Housing Bank by Homes England

Competition and Markets Authority / Subsidy Advice Unit

Evaluates Homes England’s assessment of the proposed subsidy used to capitalise the National Housing Bank. It provides advice on the assessment against subsidy-control requirements before implementation, rather than measuring the Bank’s subsequent performance.

Why it matters Provides substantive external analysis of the rationale and design of public capital provided to NHB.

NHBCapital, funding and riskMandates and policy
Commissioned research

Analysing UKEF-supported supply chains

UK Export Finance

Models the scale and composition of UK supply chains associated with UKEF support using deal data, input-output analysis and business demographics. It distinguishes economic activity linked to UKEF’s financing from the broader supply chains of its customers; the estimates are not a causal counterfactual evaluation.

Why it matters Helps readers interpret UKEF’s claimed reach beyond its direct customers and the methodology behind impact estimates.

UKEFImpact and value for money
Institution research

Financial Investment Report 2025

UK Government Investments

Consolidates departmental and public-body data to analyse central government’s loan and equity portfolio. It examines valuation methods, financial performance, risk management and improvements to portfolio monitoring.

Why it matters Provides a baseline for understanding the wider government investment portfolio and the limits of aggregating different financial measures.

UK systemCapital, funding and riskGovernance and accountability
Policy analysis

Are MDBs Actually Implementing Reforms?

Center for Global Development

This analysis tracks 28 reform items across seven MDBs or banking groups, covering capital efficiency, new capital, mandates, country engagement and private finance mobilisation. It finds uneven implementation across institutions and distinguishes announced intentions from reforms being implemented or completed.

Why it matters Offers a framework for comparing progress on reforms the UK can pursue through its different MDB board and shareholder relationships.

IBRDIDAIFCMIGAEBRDAIIBADBAfDBIDBIDB InvestMandates and policyCapital, funding and riskPrivate investment and mobilisation
Policy analysis

Maximising the developmental impact of MDB callable capital: project findings and path forward

ODI

This working paper synthesises a year-long ODI research programme on the legal, fiscal and financial dimensions of MDB callable capital, supported by the MDB Challenge Fund. It identifies ambiguity in capital-call rules and proposes collective shareholder action, clearer standards and improved crisis planning.

Why it matters Helps assess how the UK’s contingent capital commitments could support MDB lending and what clarification is needed in UK fiscal and institutional arrangements.

IBRDEBRDAIIBADBAfDBIDBCapital, funding and risk
Institutional evaluation

A Focused Assessment of the International Development Association’s Private Sector Window: An Update to the Independent Evaluation Group’s 2021 Early-Stage Assessment

World Bank Group — Independent Evaluation Group (IEG)

This IEG assessment examined use of IDA’s Private Sector Window from its 2017 inception to 2023 and its potential to develop markets. Updating the 2021 early-stage evaluation, it assessed concessionality and additionality in transactions involving IFC and MIGA across three IDA funding cycles.

Why it matters Relevant to UK decisions on the allocation and oversight of IDA resources used to support private investment through IFC and MIGA.

IDAIFCMIGACapital, funding and riskImpact and value for moneyPrivate investment and mobilisation
Commissioned evaluation

Evaluating BII’s Financial Services Portfolio: Synthesis Report — Key findings and lessons from phases one and two

British International Investment / FCDO–BII Evaluation and Learning Programme

Synthesises the earlier portfolio review with five in-depth studies and examines BII’s response to recommendations. It records a shift towards directed debt and specialised lenders while identifying continuing challenges in trade finance, local currency and evidence on beneficiaries.

Why it matters Updates the CDC-era evaluation and allows readers to track learning and changes in BII’s investment approach.

BIIImpact and value for money
Independent scrutiny

Investment for development: The UK’s strategy towards Development Finance Institutions

UK Parliament

Examines the effectiveness and accountability of UK aid invested through BII. The committee raises concerns about poverty focus and individual investments and recommends improvements in shareholder oversight, transparency and governance.

Why it matters Sets out Parliament’s expectations for how FCDO should oversee its BII investment.

BIIGovernance and accountabilityImpact and value for money
Institutional evaluation

The World Bank Group’s 2018 Capital Increase Package: An Independent Validation of Implementation and Results

World Bank Group — Independent Evaluation Group (IEG)

IEG, the World Bank Group’s independent evaluation function, validated the implementation and reporting of policy commitments accompanying the 2018 IBRD and IFC capital increases. It examined whether targets and reporting arrangements supported accountability for the package’s intended results.

Why it matters Provides evidence for UK scrutiny of the commitments attached to capital subscriptions and for designing conditions and reporting requirements in future capital increases.

IBRDIFCCapital, funding and riskImpact and value for moneyGovernance and accountability
Academic research

The UK Infrastructure Bank and the financialization of public infrastructures amidst nationalist neoliberalism

Competition & Change / SAGE

Develops a case study of UKIB’s governance and its use of guarantees, equity and debt to attract private infrastructure investment. The author argues that these arrangements can strengthen private financial interests while limiting public value and regional benefits.

Why it matters Offers an academic critique of the investment model and governance inherited by NWF.

NWFImpact and value for moneyCapital, funding and riskGovernance and accountability
Institutional evaluation

International Finance Corporation Additionality in Middle-Income Countries: An Independent Evaluation

World Bank Group — Independent Evaluation Group (IEG)

This IEG evaluation examined whether IFC’s financial and nonfinancial contributions in middle-income countries provided benefits beyond those available from commercial finance. It assessed the relevance and realisation of anticipated additionality and drew lessons for IFC’s strategies, monitoring and supervision.

Why it matters Supports UK shareholder scrutiny of why public capital is needed in IFC investments and how delivery of those distinct benefits is monitored.

IFCImpact and value for moneyGovernance and accountability
Commissioned evaluation

British Patient Capital Interim Evaluation report

British Business Bank

Examines British Patient Capital’s rationale, delivery, effects on companies and funds, and economic value for money. The interim evaluation reports additional capital supply and improved access to growth finance, with positive effects on company development.

Why it matters Provides programme-level evidence about one of BBB’s principal long-term equity investment channels.

BBBPrivate investment and mobilisationImpact and value for money
Independent scrutiny

The Creation of the UK Infrastructure Bank

UK Parliament

Examines UKIB’s early establishment, staffing and ability to demonstrate impact. The committee considers trade-offs between investment risk, taxpayer protection and local priorities and makes recommendations to government.

Why it matters Adds parliamentary scrutiny and recommendations to the evidence on NWF’s predecessor.

NWFGovernance and accountabilityImpact and value for money
Independent scrutiny

The Creation of the UK Infrastructure Bank

National Audit Office

Reviews Treasury’s establishment of UKIB and the Bank’s progress in developing structures and processes. It identifies work needed on investment needs, impact measurement and operational capability, without evaluating the success of the early investments.

Why it matters Documents the institutional foundations and early challenges inherited by the National Wealth Fund.

NWFMandates and policyImpact and value for moneyGovernance and accountability
Independent scrutiny

The UK’s support to the World Bank’s International Development Association (IDA)

Independent Commission for Aid Impact (ICAI)

This review assessed UK support to IDA during 2015–2021 and awarded a green-amber rating. It found substantial UK influence and good value for money, while recommending stronger attention to climate action, inclusion, safeguards and engagement at country level.

Why it matters Provides an independent basis for scrutinising UK IDA replenishment decisions and the reform priorities attached to those contributions.

IDAGovernance and accountabilityCapital, funding and riskImpact and value for money
Independent scrutiny

Tackling fraud in UK aid through multilateral organisations

Independent Commission for Aid Impact (ICAI)

This rapid review examined how FCDO assesses, monitors and influences fraud risk management in organisations receiving core UK funding; the World Bank was among its six case studies. It identified weaknesses in oversight across the multilateral portfolio and recommended a coordinated approach to governance risks and stronger donor coalitions.

Why it matters Addresses the assurance the UK obtains when contributing to institutions whose audit and governance arrangements are shared with other member countries.

IBRDIDAGovernance and accountabilityCapital, funding and risk
Policy analysis

Boosting MDBs’ investing capacity: An Independent Review of Multilateral Development Banks’ Capital Adequacy Frameworks

G20 Capital Adequacy Frameworks Expert Panel

The G20-commissioned expert panel proposed changes to MDB risk appetite, treatment of callable capital, financial instruments, engagement with credit rating agencies and capital governance. Its recommendations examine how existing capital could support greater investment capacity while preserving financial resilience.

Why it matters A central reference for UK shareholder decisions about lending headroom, fiscal exposure and whether additional paid-in capital is required.

IBRDIDAIFCMIGAEBRDAIIBADBAfDBCDBIDBIDB InvestCapital, funding and riskGovernance and accountability
Commissioned evaluation

Enterprise Capital Funds interim evaluation report 2021

British Business Bank

Evaluates a cohort of Enterprise Capital Funds and their effects on firms, fund managers and the venture capital market. It estimates additional employment and sales and examines whether public investment expanded early-stage equity supply.

Why it matters Tests the case for using BBB capital to support emerging managers and address the early-stage equity gap.

BBBPrivate investment and mobilisationImpact and value for money
Policy analysis

Greening public finance: The UK’s public finance ecosystem and the net zero transition

New Economics Foundation

Examines how UKIB, BBB, UKEF and CDC could support a just transition to net zero. It proposes changes to mandates, financial instruments, funding and coordination through a common public ownership body.

Why it matters Offers a system-wide alternative for coordinating institutions now covered by the PuFin framework.

NWFBBBUKEFBIIMandates and policyGovernance and accountability
Commissioned evaluation

Evaluating CDC’s Financial Institutions Portfolio

Foreign, Commonwealth & Development Office

Combines an evidence review and portfolio-wide analysis of CDC’s investments in financial institutions. It identifies lessons on underserved customers, SME finance and investment instruments while documenting limitations in evidence about final beneficiaries.

Why it matters Examines the development results behind a major component of the UK’s investment in BII, under its former CDC name.

BIIImpact and value for money
Institutional evaluation

The World Bank Group’s Approach to the Mobilization of Private Capital for Development

World Bank Group — Independent Evaluation Group (IEG)

The World Bank Group’s independent evaluation function assessed the relevance and effectiveness of the Group’s approaches to mobilising private capital. It examined instruments, incentives, investor engagement and development outcomes, identifying gaps in implementation and in alignment with investors’ risk appetite.

Why it matters Informs UK board scrutiny of mobilisation targets and the institutional changes needed to obtain greater development impact from shareholder capital.

IBRDIFCMIGAPrivate investment and mobilisationImpact and value for moneyGovernance and accountability
Independent scrutiny

The UK’s support to the African Development Bank Group

Independent Commission for Aid Impact (ICAI)

ICAI assessed the value and effectiveness of UK support to the African Development Bank Group, awarding a green-amber rating. The review examined UK influence, strategic alignment and oversight, and recommended a more strategic approach to engagement and stronger cooperation between UK and Bank country teams.

Why it matters Direct evidence for judging the UK’s AfDB shareholding and African Development Fund contributions, including how the UK uses its governance positions.

AfDBAfDFGovernance and accountabilityImpact and value for money
Independent scrutiny

Department for International Trade and UK Export Finance: Support for exports

National Audit Office

Reviews government strategy, resources and priorities for supporting exports through DIT and UKEF. It examines how performance is measured and whether the departments understand which activities work.

Why it matters Provides external scrutiny of UKEF’s role within the wider government export-support system.

UKEFMandates and policyImpact and value for money
Independent scrutiny

British Business Bank

National Audit Office

Assesses the Bank’s role in improving SME access to finance and its preparedness for future challenges. The NAO finds positive evidence of business growth but identifies gaps in cost-effectiveness evidence and the need to strengthen governance as the Bank expands.

Why it matters Provides an independent institutional assessment against which subsequent BBB expansion can be understood.

BBBPrivate investment and mobilisationImpact and value for moneyGovernance and accountability
Independent scrutiny

CDC’s investments in low-income and fragile states

Independent Commission for Aid Impact

Reviews CDC’s transformation and investments over 2012–2018 as its capital and development ambitions expanded. ICAI finds progress in redirecting investment but weaknesses in impact management, evaluation and local capacity; subsequent follow-up records improvements.

Why it matters Assesses whether increased UK shareholder capital was accompanied by sufficient development capability and accountability.

BIIImpact and value for moneyMandates and policyGovernance and accountability
Academic research

Mobilization Effects of Multilateral Development Banks

International Monetary Fund, Working Paper 2019/028

Using syndicated-loan data for developing countries during 1993–2017, the authors estimate direct and indirect mobilisation effects associated with MDB lending. The working paper reports positive effects on loan volumes and lending participation; its findings are the authors’ research and do not represent an IMF policy position.

Why it matters Provides empirical evidence for assessing claims that UK capital invested in MDBs attracts additional private finance, with findings specific to syndicated lending rather than all MDB activity.

Multilateral systemPrivate investment and mobilisationImpact and value for money
Independent scrutiny

Investigation into oversight of the Student Loans Company’s governance, and management of its former chief executive

National Audit Office

Examines the Department for Education’s oversight of SLC around the appointment and dismissal of its former chief executive. The investigation describes oversight arrangements and planned improvements without re-investigating the underlying allegations or dismissal decision.

Why it matters Shows how departmental sponsorship and accountability operate for SLC as an administrative public financial body.

SLCGovernance and accountability
Independent scrutiny

How DFID works with multilateral agencies to achieve impact

Independent Commission for Aid Impact (ICAI)

This historical review examined DFID’s overall management of its relationships with multilateral agencies and awarded a green-amber rating. It assessed the department’s strategic approach, staffing, collaboration with other donors and communication about the results of multilateral spending.

Why it matters Provides a baseline for asking whether the UK manages its different multilateral relationships as a coherent portfolio and explains their purpose and results to Parliament and the public.

Multilateral systemGovernance and accountability
Independent scrutiny

Student loan repayments

National Audit Office

Assesses the collection system operated by the then Department for Business, Innovation and Skills, HMRC and SLC. It identifies weaknesses in borrower information, repayment forecasting and the strategy for maximising collections.

Why it matters Explains the distinction between managing the public student-loan asset and owning shares in its administrator.

SLCCapital, funding and riskImpact and value for money