The Answer in 60 Seconds: When a third-party insurer sends you a subrogation demand letter, do not respond directly. Forward immediately to your liability insurer (Public Liability, Property, Motor, or relevant cover). Subrogation is the statutory and common-law right of an insurer who has paid its insured to step into the insured's shoes and recover from the responsible party - confirmed in Singapore in cases including Sompo Insurance Singapore Pte Ltd v Royal & Sun Alliance Insurance plc [2021] SGHC 152 and HSBC Institutional Trust Services (Singapore) Ltd v DNKH Logistics Pte Ltd [2022] SGHC 248.

What subrogation is, in plain English

Your neighbour's warehouse catches fire because (allegedly) of your faulty electrical wiring. Your neighbour's insurer pays the neighbour S$800,000 under their property policy. The neighbour's insurer then writes to you demanding S$800,000 because, by paying out, they have stepped into the neighbour's shoes. They have the same right of action against you as the neighbour would have had at common law.

Per Castellain v Preston (1883) 11 QBD 380, the insurer takes "the advantage of every right of the assured… in contract, fulfilled or unfulfilled, or in remedy for tort." The Singapore High Court confirmed in Sompo v RSA [2021] SGHC 152 that an insurer's subrogated rights extend to every right the insured had to recover in respect of the loss.

The Step-by-Step

Step 1 - Receive the demand letter and read carefully. Look for: the underlying loss event, the amount, the alleged basis of liability (negligence, breach of contract, statutory liability), supporting evidence (loss adjuster's report, repair invoices, the underlying policy payout), and any deadline.

Step 2 - Do not admit liability, do not respond directly. Per typical liability policy conditions: "The Insured shall not, without our prior written consent, admit liability, make any offer, promise or payment in respect of any claim." Responding directly may breach this condition and let your insurer decline cover.

Step 3 - Forward to your liability insurer immediately. Identify the relevant policy:

  • Customer's property damaged on your premises -> Public Liability
  • Fire from your premises spread to neighbour -> Public Liability (your own Fire/PAR policy covers damage to your own property, not the neighbour's insurer's demand)
  • Goods in your care/custody/control damaged -> PL with care/custody/control extension or bailee cover
  • Vehicle accident -> Motor
  • Professional advice loss -> Professional Indemnity
  • Cyber breach affecting third parties -> Cyber Liability

Step 4 - Provide your insurer with full facts. Incident timeline, your records, photos, witness statements, contracts in force at the time, any waiver of subrogation clauses in those contracts.

Step 5 - Cooperate with your insurer's defence. Per CMS Singapore: "In the event the insurer instructs solicitors to defend an insured in respect of a third party claim, such defence costs are usually covered under the policy." Your job is to give honest factual cooperation, not to negotiate.

Step 6 - Insurer investigates and either defends or settles. The insurer's claims team will assess: was there negligence? Is liability established? Is the quantum reasonable? They may negotiate down, settle, or instruct lawyers to defend.

Step 7 - Watch for waiver of subrogation clauses. Many commercial contracts (leases, construction contracts, supply agreements) contain mutual waivers of subrogation. In HSBC Institutional Trust Services v DNKH Logistics [2022] SGHC 248, the landlord's insurer sued the tenant in the landlord's name after a fire. The court construed the lease's indemnity clause strictly, held that it covered only third-party claims against the landlord, and dismissed the claim; it added that even on the landlord's reading, the clause would cover only losses caused by the tenant's fault, and the losses from the accidental fire were not attributable to anyone's fault. In Marina Centre Holdings Pte Ltd v Pars Carpet Gallery Pte Ltd [1997] 2 SLR(R) 897, discussed in that judgment, the Court of Appeal held that a lease exemption clause absolved the landlord from liability for negligence in a subrogated claim brought by the tenant's insurers. Pull every contract relevant to the underlying loss and pass to your insurer's lawyers.

Common Mistakes

  1. Replying "we'll look into it" or "we accept responsibility." Even a polite reply can prejudice cover.
  2. Forwarding late. Liability policies have notification conditions. Late notification is a common cover-decline reason.
  3. Settling directly to "make it go away." Without insurer consent, you may be uninsured for the payment.
  4. Forgetting the contract. Many contracts contain waiver of subrogation. The insurer's lawyer will use this - but only if you put the contract in front of them.
  5. Treating subrogation as fraud. It's not. It's a standard insurance recovery process; engaging cooperatively with your insurer is the proper response.

What This Means for Your Business

Subrogation demands can arrive long after the underlying loss: an action in negligence for property damage can be brought up to 6 years after the cause of action accrued, or 3 years from when the claimant had the required knowledge if that is later (Limitation Act 1959, section 24A(3)), subject to a 15-year longstop (section 24B). Two operational disciplines mitigate the pain:

First, document at the time of incident - every fire, water leak, slip-and-fall, vehicle accident, IT outage. Photos, witness statements, contemporaneous notes. The defence stands on what you can prove eight months from now.

Second, read your contracts for waiver of subrogation. Some Singapore leases, construction contracts and B2B service agreements include mutual waivers of subrogation, meaning your insurer cannot pursue the counterparty (and the counterparty's insurer cannot pursue you) for the agreed scope of risk. An exemption clause in the contract can have a similar effect for the party it protects. These clauses can defeat or substantially reduce the claim entirely.

For SMEs without in-house legal, brief your liability broker on every contract with a financial cap above your liability deductible - they will flag waiver clauses and notification triggers.

Questions to Ask Your Adviser

  1. Which of my policies should respond to this subrogation demand, and is the notification window still open?
  2. Is there a waiver of subrogation in my contract with the underlying claimant?
  3. How much defence cost is included within or in addition to the policy limit?
  4. Will this subrogation claim affect my renewal premium and which loss-record databases will record it?
  5. Should I engage a coverage lawyer separately if my insurer reserves rights?

Related Information

Published 4 May 2026. Source verified 4 May 2026.