Which is best, what to include, and how to resign professionally.
Yes — in many UK workplaces you can resign by email, but check your employment contract and your employer’s resignation process first. Your contract may require notice in writing.
A formal written document suitable for printing or keeping on file.
A quicker way to resign where email is accepted by your employer.
Best practical rule: follow the process in your contract or workplace policy, make your notice clear and keep a written record of what you sent.
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Open Resignation Letter Builder →GOV.UK says your contract will tell you whether notice must be given in writing; otherwise it may be possible to give notice verbally.
Where email is acceptable, it can provide a dated written record of what you told your employer.
A letter can suit workplaces that expect formal documentation or where you want a document to print and keep.
Whichever format you use, state clearly that you are resigning, your notice period and your intended final working date.
Acas suggests asking an employer to confirm in writing that they have received your resignation if you want a record of receipt.
You do not need to over-explain. A concise message that follows the required process is usually easier for everyone to understand.
It can be possible, but check your contract and your employer’s process. GOV.UK says your contract will tell you whether notice must be given in writing.
Neither format is automatically better in every workplace. A letter is more formal; an email is quick and creates a dated written record. The important point is to follow the required process and make your notice clear.
Make clear that you are resigning, state the relevant notice period and give your intended final working date.
Official source: GOV.UK: giving notice. Employment circumstances vary, so check current official guidance where necessary.