A week before
Read the job description and mark the experience you can discuss truthfully. For UK Retail Sales Assistant roles, transferable skills can count even if you have not held a retail title. Relevant examples might come from volunteering, hospitality, school, sport, caring responsibilities or another customer-facing role when they demonstrate reliability, clear communication or calm problem solving.
Choose a few examples that match the advert. For each one, note the situation, what you did, the result and what you learnt. Practise aloud, but do not memorise a script. Review your Sales Assistant CV and Sales Assistant cover letter so the dates and claims in your application remain consistent. If most of your evidence concerns helping customers, compare how you present it in the Customer Service interview preparation guide, while keeping your answer tied to this vacancy.
Customer service, communication, resilience, problem solving and teamwork are described as desirable skills for Retail Sales Assistant roles, although each employer sets its own expectations. Use the advert to decide which of your examples matter for this interview.
The day before
Confirm the time, location, format and named contact. Plan your journey and leave a sensible buffer. If your interview is remote, test the link, camera, microphone and internet connection where you intend to sit. Keep permitted notes short enough to glance at without reading from them.
Prepare questions about the work, induction, hours and next steps. If pay comes up, use the Sales Assistant salary guide to organise what you want to clarify rather than guessing during the conversation.
On the day
Review the advert and your example notes once, then stop rehearsing. Listen to the whole question. If it is unclear, ask for it to be repeated or explained. Keep your answer focused, make your own contribution clear and leave time for your questions.