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Rebuild Costs and Home Insurance: Why They Matter

Why buildings insurance should be based on rebuild cost, not market value: how to estimate it, under-insurance risks and how Fraser Bond can help.

Rebuild Costs and Home Insurance: Why They Matter Residential Property Services in London

Updated October 2026 · Fraser Bond

Insurance

Rebuild Costs and Home Insurance: Why They Matter

Rebuildcost
Not marketvalue
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In short: Buildings insurance should cover the cost of rebuilding the property, including demolition and fees, not its market value. Under-insure and a claim can be reduced. Fraser Bond can help you check the figure and get suitable cover.

Why the numbers differ

In London, land value is a large part of market value, so rebuild cost is often lower. For listed, period or unusual homes it can be higher, because of specialist materials and labour.

Under-insurance

If the sum insured is too low, insurers may apply "average" and pay only a proportion of the claim.

Property insurance through Fraser Bond

  • Landlord buildings and contents cover
  • Rent guarantee and legal expenses cover
  • Property owners' liability
  • Rebuild cost checks so you are not under-insured
  • Cover placed with FCA-authorised insurers and brokers; we explain what is and is not covered before you buy

Request a quote or a call back →

How it works

1
Tell us about the propertyType, rebuild cost, tenancy, and any claims history.
2
Compare coverWe explain the options and what each policy does and does not cover.
3
ArrangeCover is placed with an FCA-authorised insurer or broker.
4
RenewalWe remind you before renewal so you can review cover and price.
Rebuild cost check
Build cost–
Suggested sum insured–

Rebuild cost is not market value. Rates vary with build type, listing status and access; a surveyor's reinstatement valuation is the reliable figure.

Frequently asked questions

Where do I find my rebuild cost?

Your mortgage valuation may state one; a surveyor can give a reinstatement valuation.

Who insures a leasehold flat?

Usually the freeholder insures the building and recharges it in the service charge.

Check your cover

Send us the address and what you need. We will arrange a visit or call and give you a written quote.

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