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Methodology

How We Score Rental Markets

Our methodology for evaluating rental investment opportunities across multiple countries

The Market Scoring Framework

Our market scoring system evaluates short-term rental (STR) and long-term rental (LTR) investment opportunities across five key dimensions, each weighted by importance to long-term returns. This methodology has been refined through analysis of hundreds of markets and validated against historical performance data.

1. Rental Yield (40% weight)

The most important factor for rental investors is cash flow potential. We calculate gross rental yield by dividing annual rent by property price:

Gross Yield = (Monthly Rent × 12) / Property Price

Score ranges:

  • 9-10: >8% yield (exceptional cash flow)
  • 7-8: 6-8% yield (strong cash flow)
  • 5-6: 4-6% yield (moderate cash flow)
  • 3-4: 2-4% yield (appreciation play)
  • 1-2: <2% yield (negative cash flow likely)

2. STR Regulatory Environment (25% weight)

Regulations dramatically impact returns. We score based on maximum nights allowed and permit requirements:

Score ranges:

  • 9-10: No restrictions or 270+ nights allowed
  • 7-8: 180-269 nights allowed
  • 5-6: 90-179 nights allowed
  • 3-4: 30-89 nights allowed
  • 1-2: <30 nights or outright ban

Additional penalties apply for:

  • Permit required: -1 point
  • Primary residence only: -2 points
  • Host must be present: -3 points

3. Tax Burden (15% weight)

Property taxes and STR lodging taxes reduce net returns. We evaluate combined tax burden:

Score ranges:

  • 9-10: Property tax <1% AND STR tax <8%
  • 7-8: Property tax 1-1.5% AND STR tax 8-12%
  • 5-6: Property tax 1.5-2% OR STR tax 12-15%
  • 3-4: Property tax 2-2.5% OR STR tax 15-18%
  • 1-2: Property tax >2.5% OR STR tax >18%

4. Risk Profile (10% weight)

Climate and insurance risks impact long-term sustainability. We evaluate:

  • Flood risk: Flood zone data from government sources (high/medium/low)
  • Natural disaster risk: Storm, bushfire, coastal or other regional hazards (where data available)
  • Insurance premiums: Baseline + risk surcharge

Score ranges:

  • 9-10: Low risk (inland, no flood zones, low hazard)
  • 7-8: Moderate risk (some flood exposure or coastal proximity)
  • 5-6: Elevated risk (coastal or known natural hazard area)
  • 3-4: High risk (multiple overlapping hazards)
  • 1-2: Extreme risk (high flood + severe natural hazard exposure)

5. Market Fundamentals (10% weight)

Long-term sustainability depends on economic strength:

  • Population growth: 5-year trend
  • Median household income: Economic health
  • Employment diversity: Industry concentration
  • Housing supply: Vacancy rates

Score ranges:

  • 9-10: Growing, diversified economy
  • 7-8: Stable, moderate growth
  • 5-6: Slow growth or one-industry town
  • 3-4: Declining population
  • 1-2: Severe economic distress

Composite Score Calculation

The Market Score is a weighted average of all five dimensions:

Market Score = (Yield × 0.40) + (Regulations × 0.25) + (Tax × 0.15) + (Risk × 0.10) + (Fundamentals × 0.10)

Interpretation

  • 8.5-10: Exceptional opportunity (rare, <5% of markets)
  • 7.0-8.4: Strong opportunity (top 20% of markets)
  • 5.5-6.9: Moderate opportunity (middle 50%)
  • 4.0-5.4: Below average (bottom 25%)
  • <4.0: Avoid (high risk, low return)

Real-World Examples

Example 1: High-yield regional market (Score: ~8.2)

A regional city with affordable housing, permissive STR rules, and moderate holding costs:

  • Yield: 8.1% (9/10) — Strong cash flow
  • Regulations: Permissive, 365 nights (10/10)
  • Tax: Low holding costs, modest STR tax (8/10)
  • Risk: Low, inland (9/10)
  • Fundamentals: Declining population (4/10)
  • Composite: 8.2 (strong opportunity for cash flow investors)

Example 2: High-cost city with strict regulation (Score: ~4.8)

A premium city with high prices, tight STR controls, and strong long-term fundamentals:

  • Yield: 2.1% (2/10) — Negative cash flow
  • Regulations: <30 nights, strict (2/10)
  • Tax: Moderate holding costs, higher STR tax (6/10)
  • Risk: Moderate (7/10)
  • Fundamentals: Strong economy (9/10)
  • Composite: 4.8 (appreciation play only, not for cash flow)

Using the Market Score

For cash flow investors: Prioritise markets with score >7.0 and yield >6%

For diversification: Mix high-score markets (cash flow) with premium markets (appreciation)

For first-time investors: Target score >7.0 at an entry-level price point for your target market

For STR operators: Regulations score is critical — avoid markets with score <5/10 on regulations

Limitations

This scoring system is a starting point, not a final decision. It does not account for:

  • Neighborhood-level variation (crime, schools, amenities)
  • Specific property condition (repairs, age, upgrades)
  • Personal investment goals (cash flow vs appreciation vs lifestyle)
  • Management expertise (ability to maximize occupancy)

Use the Market Score to narrow your search, then conduct property-level due diligence before investing.


Related Methodology

Apply This to Your Investment

Use our interactive dashboard to see how these metrics apply to specific markets. Compare long-term and short-term rental returns with real data.

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