Real Asset Investing: Infrastructure, Farmland, Commodities, and Energy

Real assets — physical assets with intrinsic value — have long been a cornerstone of institutional portfolio construction. The world's largest pension funds, endowments, and sovereign wealth funds typically hold 10-20% of their portfolios in infrastructure, real estate, agriculture, timberland, commodities, and energy. The reasons are straightforward: real assets tend to maintain or increase their value in inflationary environments, generate income streams uncorrelated with financial markets, and provide genuine diversification against the equity and bond holdings that dominate most investment portfolios.

For individual investors, access to real assets has historically been limited. Direct ownership of farmland, timberland, or infrastructure requires large capital sums, specialist expertise, and tolerance for illiquidity. The development of listed vehicles — REITs, infrastructure investment trusts, commodity ETFs, and increasingly specialist investment platforms — has democratised access to most real asset classes.

This guide covers the full spectrum of real asset investing, with practical guidance on how to build an allocation appropriate for a retail or high-net-worth investor.

Why real assets in a portfolio?

The theoretical case for real assets in a diversified portfolio rests on three core arguments.

Inflation protection. The prices of real assets are often linked — directly or indirectly — to the general price level. Infrastructure revenues are frequently contractually linked to CPI or RPI. Commodity prices tend to be positively correlated with inflation (indeed, commodity price increases are often a cause of inflation). Farmland and timberland values tend to rise with agricultural commodity prices. Real estate rents typically increase over time in line with or above inflation. This inflation linkage distinguishes real assets from nominal bonds (which are directly harmed by inflation) and from equities (which may or may not benefit, depending on pricing power).

Low correlation with financial assets. Real asset returns are driven by the physical supply and demand for the underlying resource or service, not primarily by investor sentiment or financial market dynamics. A toll road earns the same revenues in a financial market crisis as in a boom. Agricultural land produces the same crops regardless of equity market movements. This low correlation improves portfolio efficiency: adding real assets to a portfolio of equities and bonds typically improves the Sharpe ratio (return per unit of risk).

Long-duration income. Infrastructure, real estate, and timberland generate income streams that can extend for decades or centuries. This matches the long-term investment horizons of pension funds and long-term individual investors. The compound growth of reinvested income from real assets over 20-30 years can be substantial.

Infrastructure

Infrastructure — airports, toll roads, utilities, pipelines, ports, data centres, hospitals, schools — is the largest and most diverse real asset category. For a detailed treatment, see our dedicated guide to listed infrastructure investing. In summary:

Listed access via infrastructure ETFs (iShares Global Infrastructure ETF) and UK investment trusts (HICL, INPP, Sequoia Economic Infrastructure) provides daily liquidity.

Inflation linkage is often contractual: regulated utility returns, CPI-linked toll charges, inflation-escalated PPP contract payments.

Interest rate sensitivity is significant: infrastructure's long-duration cash flows mean that valuations fall when discount rates rise, as experienced in 2022-2023.

Typical allocation: 3-7% of a diversified portfolio, combined with other real assets.

Real estate

Real estate is the most familiar real asset and the largest by global value. Direct property investment — buying physical residential or commercial property — is covered in detail in our property investment guides. Within a diversified portfolio context, the most practical approach for most investors is through REITs and listed real estate vehicles rather than direct ownership.

For a detailed treatment of global REIT investing, see our dedicated REIT guides. The key portfolio role of real estate within a real assets allocation is as an inflation-linked income generator with lower correlation to broader equities than many investors assume.

Farmland and agricultural land

Agricultural land is one of the most compelling real assets over a long time horizon, with several distinctive characteristics:

Dual income stream: farmland generates rent from agricultural tenants (or operational income if farmed directly) and appreciates in capital value as farmland prices rise with agricultural commodity prices.

Non-reproducible supply: farmland cannot be manufactured. Urbanisation, climate change, and soil degradation are reducing the global supply of productive agricultural land even as population growth increases demand. This structural supply constraint underpins the long-run value case.

Low correlation: farmland returns are driven by crop prices, weather patterns, and agricultural supply/demand — factors largely uncorrelated with financial markets.

Access options:

• Farmland Partners (NYSE-listed): a US REIT focused on American agricultural land. Provides listed access to farmland returns, though concentrated in US agriculture.
• Gresham House Farmland: a UK specialist in farmland investment, accessible to institutional and larger retail investors.
• AcreTrader: a US online platform allowing fractional farmland investment at lower minimums — illustrative of the emerging retail farmland access model, though available primarily to US investors.

UK farmland has historically been a strong long-term investment, benefiting from agricultural land scarcity, reliable tenant income, and significant tax advantages (Business Property Relief) for qualifying agricultural property. However, the UK agricultural policy environment post-Brexit has introduced uncertainty around farm subsidies that investors should factor in.

Timberland and sustainable forestry

Timberland — ownership of forested land managed for timber production — has a distinctive investment characteristic: the "biological growth option." Unlike most assets, timberland grows in value naturally through the biological growth of the trees themselves, independent of market conditions. If timber prices are poor, a manager can simply defer the harvest and allow the trees to continue growing. This optionality is valuable and produces a smoother return profile than many real assets.

Carbon credit potential: managed forests can generate carbon credits by sequestering CO2. These credits are increasingly monetisable, adding an additional revenue stream to timber sales. This makes forestry a particularly interesting impact investment alongside its financial return characteristics.

Access options:

• Foresight Sustainable Forestry Company (UK-listed): invests in UK commercial forestry with a focus on sustainable management and carbon credit generation.
• Gresham House Forest Growth & Sustainability Fund: a UK specialist in commercial forestry.

UK commercial forestry receives favourable tax treatment — timber sales are generally free of income tax, and forestry land may qualify for Business Property Relief after two years of ownership.

Commodities

Commodities — raw materials including metals, energy products, and agricultural goods — are the most volatile and complex component of a real assets allocation. Their inflation correlation is real but their return profile in financial portfolios is complicated by the mechanics of futures-based investing.

Physical ETCs (Gold and Silver): Gold and silver can be accessed through physical exchange-traded commodities — products backed by actual metal stored in vaults. The iShares Physical Gold ETC (IGLN) and Royal Mint Responsibly Sourced Physical Gold ETC are examples. Physical precious metal ETCs avoid the rolling yield problem inherent in futures-based products.

Broad commodity ETFs: Products tracking indices like the Bloomberg Commodity Index or S&P GSCI provide diversified commodity exposure through futures contracts. These face the rolling yield problem in contango markets (where futures prices are above spot prices), which can cause the ETF to underperform the spot price of the underlying commodities. In backwardated markets (futures below spot), the roll generates positive carry.

The rolling yield problem: This is frequently misunderstood. An investor who holds a broad commodity ETF is not simply receiving the return of physical commodities. They are receiving the return on futures contracts that must be regularly rolled forward. The difference between the futures return and the spot return — positive or negative — is the "roll yield." Over long periods, roll yield has been a significant negative contributor to broad commodity ETF returns, reducing actual returns well below what spot price movements would suggest.

Agricultural commodities: Softs (wheat, corn, soybeans, coffee, cocoa, cotton) and livestock are accessible through specialist ETCs. These are appropriate for investors with specific views or as portfolio hedges rather than as core holdings.

Energy infrastructure

Energy infrastructure — pipelines, LNG terminals, storage facilities, processing plants — generates revenues under long-term contracts that are often take-or-pay (the customer pays whether or not they use the capacity). This contractual structure makes energy infrastructure more predictable than direct commodity exposure.

Access:

• Listed infrastructure ETFs with energy infrastructure components
• US Master Limited Partnerships (MLPs) such as Enterprise Products Partners and Energy Transfer: significant income distributions but complex tax treatment for non-US investors
• UK and European energy infrastructure companies: National Grid, SSE, RWE

The energy transition creates both risks and opportunities for energy infrastructure investors. Carbon-intensive pipeline infrastructure may face stranded asset risk over a longer time horizon, while hydrogen infrastructure, carbon capture storage, and offshore wind transmission represent growing investment opportunities.

Building a real assets allocation

Institutional investors typically hold 10-20% of total portfolios in real assets. Retail investors can realistically access most of this universe, though some via listed vehicles rather than direct ownership.

A practical real assets allocation for a well-diversified portfolio might include:

• Listed infrastructure: 3-5% (infrastructure ETF + one or two UK investment trusts)
• REITs: 3-5% (global REIT ETF + UK commercial property)
• Commodities: 2-3% (physical gold ETC + diversified commodity ETF)
• Forestry/farmland: 1-2% (UK-listed forestry investment trusts)

This 9-15% real assets allocation, combined with a diversified equity and bond core, creates a portfolio with meaningful inflation protection, income diversification, and reduced correlation that improves long-term risk-adjusted returns.

How Global Investments can help

Our advisers help international investors build real asset allocations appropriate for their specific situation — tax residency, currency base, investment horizon, and income requirements. We can guide you through the UK-listed infrastructure trust market, help you assess farmland and forestry investment trusts, and construct a diversified real assets sleeve that complements your equities and fixed income. Contact us to discuss your portfolio.