Property Portfolio Insurance Cost Survey

Purpose Of This Asset

This asset gives journalists and investors a transparent methodology for discussing property portfolio insurance costs without pretending there is one universal premium. It is designed to support future annual surveys and quote-led market commentary.

• Designed for citation, outreach and investor education.
• Uses transparent assumptions rather than unexplained headline claims.
• Separates insurance context from exact live premium calculation.
• Should be refreshed annually as market conditions and claims patterns change.

Methodology

The methodology is deliberately explicit so that the asset can be cited and challenged. It explains what is being measured, what is excluded, and how the output should be interpreted by a portfolio owner or journalist.

• Collect anonymised quote or enquiry bands by portfolio size, property type, total rebuild value, rent roll, region, occupancy and claims history.
• Exclude personally identifiable client details, exact addresses and insurer-specific confidential rate information.
• Normalise examples into bands rather than exact premiums because cover limits, excesses, insurer appetite and disclosure details vary materially.
• Separate standard residential, HMO, student, mixed-use, commercial, industrial, retail, office, holiday let and development portfolios before comparing costs.
• Report cost drivers alongside each band so readers understand why similar property counts can produce different premiums.

Scoring Or Analysis Model

A useful PR asset needs a model that can be repeated. The scoring or analysis model below turns a broad property risk topic into a structured framework that can be used for annual updates, downloadable reports, media commentary or future interactive tools.

• Portfolio size band: 3 to 5, 6 to 10, 11 to 25, 26 to 50, 51 to 100 and 100+ properties.
• Value band: total declared rebuild value and rent roll, shown separately from market value.
• Risk band: clean claims, isolated severe claim, repeated frequency claims or adverse open claims.
• Cover band: core buildings/liability only, enhanced loss of rent, terrorism, legal expenses, rent guarantee, D&O, cyber and engineering inspection.

Key Findings

The findings below are phrased as insurance interpretation rather than raw market statistics. That makes the asset more useful for portfolio owners who need to act before renewal, after a claim or before acquiring another property.

• Property count alone is a weak cost measure; rebuild value and claims history usually explain more of the premium difference.
• A 10-property HMO or mixed-use schedule can cost more than a larger but simpler residential schedule.
• Repeated escape of water claims can affect excesses and appetite even when total paid claims are not severe.
• Cost comparisons should always show cover structure, excesses and limits alongside premium.

Why two 10-property portfolios differ

Typical claim value: Property count hides risk

Ten standard houses with clean claims are not comparable to ten mixed-use buildings with food tenants and previous water damage.

Why excess matters

Typical claim value: Premium is not the whole cost

A lower premium with high escape of water excesses may be less attractive for a portfolio with repeated plumbing claims.