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CClaim Type Guides8 min readUPDATED 09 APR 2026NEW

How to Claim for Unpaid Shared Bills

Guide to recovering money from flatmates or others who have not paid their share of bills, utilities, or joint expenses.

CP
CourtPilot legal team
Reviewed by a UK solicitor
FOR ENGLAND & WALES·CPR-ALIGNED

Step-by-step

1

Calculate what is owed

Work out exactly what they owe based on agreed shares. Gather bills and payment records showing you paid their share.

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Tip: Create a clear spreadsheet showing each bill, the agreed split, and payments made.
2

Find the agreement

Collect any written agreement about bill sharing - tenancy agreement, messages, or household spending agreements.

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3

Request payment

Send a clear request for the specific amount owed with a breakdown of how you calculated it.

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4

Send letter before claim

If informal requests fail, send a formal letter before claim with the total owed and deadline.

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5

File your claim

File via Money Claim Online with clear particulars explaining the bill-sharing arrangement.

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Recovering Shared Bill Expenses

When you pay bills on behalf of others who agreed to contribute, you have a legal right to recover their share. This applies to flatmates, joint purchasers, and group expenses.

Common scenarios:

  • Flatmate did not reimburse utility or council tax
  • Shared purchase disputes
  • Holiday expense splitting disagreements
  • Joint account disputes

Legal basis:

If there was an agreement (even verbal) to share costs, and you paid more than your share, you can claim the excess from the others.

Evidence You Need

Essential evidence:

  • Tenancy agreement showing joint tenants
  • Utility bills in your name
  • Payment records showing you paid
  • Any written agreements about splitting

Helpful evidence:

  • Messages discussing bill splits
  • Bank statements showing your payments
  • Spreadsheets or records of shared expenses
  • Evidence they lived there during relevant period

Tips:

  • Keep records from the start of any house share
  • Send monthly summaries by message to create a paper trail
  • Screenshot any agreements about bill splitting

What You Can Claim

Typical claim value: £50 - £5,000

You can claim:

  • Their share of utilities (gas, electric, water)
  • Their share of council tax
  • Their share of broadband/TV packages
  • Any agreed shared expenses you covered
  • Interest from date of filing

Calculating shares:

  • Unless otherwise agreed, equal shares are assumed
  • Document any agreement for different proportions
  • Consider move-in/move-out dates for partial periods

Understanding Joint Liability

Joint tenancy bills:

If the bill or tenancy is in joint names, each person is "jointly and severally liable" - meaning the supplier can chase any one person for the full amount. If you pay it all, you can claim the others' shares.

Sole name bills:

If bills are in your name only, you are legally responsible to the supplier. But if others agreed to contribute, you can claim their share from them.

Council tax:

Usually, all adult residents are liable. If one person paid it all, they can claim contributions from others who agreed to share.

Frequently asked questions

What if they dispute the agreed share?

Evidence of any agreement helps - messages, emails, or witness statements from other housemates. If no specific share was agreed, courts typically assume equal splits among all occupants.

Can I claim for bills after they moved out?

Only for the period they lived there and agreed to contribute. Calculate bills pro-rata based on their occupancy dates. You cannot claim for periods after they left.

What if the bills are not in my name?

You can still claim if you paid bills that they agreed to share, regardless of whose name they are in. Your bank statement proves you paid; their agreement to contribute is the basis for your claim.

Should I involve the other housemates?

If multiple people owe you money, you can claim against them all in one case. Each defendant receives their own claim for their share. This is more efficient than separate claims.

What about deposits and cleaning costs?

If the landlord made deductions from a joint deposit and one person caused the damage, you can claim their share from them. Document what deductions were made and why, and show which person was responsible.

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Legal disclaimer

This guide provides general information about UK small claims court procedures and is for educational purposes only. It does not constitute legal advice. CourtPilot is not a law firm and is not regulated by the Solicitors Regulation Authority. The law may have changed since this guide was last updated. For advice specific to your situation, please consult a qualified solicitor or seek help from Citizens Advice.

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