Utility and household accounts are often lower on the priority list for a name change, but keeping them accurate matters for credit checks, correspondence, and avoiding any inconsistency between your legal name and the records held by companies and local authorities. Gas, electricity, water, broadband, and council tax are all worth updating once you have dealt with the higher-priority documents like your passport and driving licence.
Most energy suppliers, water companies, and broadband providers allow you to update your account name online through your account portal or by calling customer services. You will usually be asked to provide a copy of your deed poll. Council tax accounts are managed by your local council — contact them directly to update the name on the account. If you have a TV licence, update that separately through the TV Licensing website.
For credit reference purposes, having consistent name records across your household accounts, bank accounts, and electoral register helps maintain a clean credit file. If some accounts are in your old name and others in your new name, this can occasionally flag as a discrepancy on credit checks. Updating household accounts alongside higher-priority documents is the simplest way to ensure everything stays consistent.