If you shop at Sainsbury’s, one of the UK’s most beloved supermarket chains, you could win £500 of Nectar points just by sharing your honest feedback.
Through its official feedback program called Lettuce Know, Sainsbury’s aims to gather customer insights and improve its services.
This guide will walk you through every detail of the Lettuce-Know.com Survey — from eligibility to rewards — and help you increase your chances of winning big.
What Is the Lettuce Know Survey?
The Lettuce Know Sainsbury’s Survey is an official customer satisfaction survey hosted at www.lettuce-know.com. Sainsbury’s uses this platform to collect genuine customer feedback on their shopping experience, store cleanliness, staff behavior, product availability, and overall satisfaction.
By completing the survey, customers are automatically entered into a monthly sweepstakes to win 100,000 Nectar points (worth £500). This not only rewards loyal customers but also allows the company to fine-tune its customer care, store management, and product quality.
Why Does Sainsbury’s Conduct the Lettuce Know Survey?
Sainsbury’s places high importance on understanding the expectations and needs of its customers. The goal of the Lettuce Know feedback initiative is to:
- Collect honest reviews from customers about their in-store experience.
- Identify gaps in product availability, cleanliness, or employee conduct.
- Adapt store services to meet changing consumer demands.
- Make continuous improvements in customer satisfaction, thus boosting loyalty.
In return, Sainsbury’s gives participants a chance to win £500 of Nectar points every month.
Eligibility Criteria for Lettuce-Know.com Survey
To participate in the Sainsbury’s Customer Satisfaction Survey, you must meet the following requirements:
- Be a legal resident of the United Kingdom.
- Be 18 years or older.
- Possess a valid Sainsbury’s purchase receipt.
- Not be an employee or family member of Sainsbury’s staff.
- Participate only once per receipt and once per calendar month.
Survey Requirements
Before you begin the survey, ensure you have the following ready:
- Recent Sainsbury’s receipt (dated within the last 14 days).
- A smartphone, tablet, or computer with a stable internet connection.
- Basic English language proficiency.
- A valid Nectar account (to claim your reward if you win).
Where to Take the Survey?
To access the survey, go to the official survey portal:
Or
How to Participate in the Lettuce Know Survey: Step-by-Step Guide
Step 1: Visit the Official Survey Page
Head over to lettuce-know.com on your preferred device.
Step 2: Enter Receipt Details


Fill out the receipt information:
- Amount Spent
- Transaction Number (4 digits)
- Store Number (5 digits)
- Date of Visit
- Time of Visit
Step 3: Begin the Survey
Click the “START” button to proceed. You’ll now begin answering questions based on your shopping experience.
Step 4: Answer Survey Questions
You’ll be asked to rate and provide feedback on:
- Staff friendliness
- Cleanliness of the store
- Checkout speed
- Product availability and pricing
- Overall satisfaction
Step 5: Provide Demographic Info
You may be asked about your age, gender, and shopping frequency.
Step 6: Enter the Prize Draw
Click “YES” to enter the monthly sweepstakes.
Step 7: Submit Contact Details
Enter your full name, email, and phone number. These will be used to contact you if you win.
Step 8: Finish
Click “Next” to complete your entry.
Lettuce Know Survey Rewards: Win £500 Monthly
By participating in the Lettuce-Know.com Survey, customers have the opportunity to win valuable rewards:
| Reward | Details |
|---|---|
| Monthly Winners | 10 customers |
| Reward Value | 100,000 Nectar Points (worth £500) |
| Redemption Requirement | Active Nectar account |
| Winner Notification | Within 14 days of draw |
| Claim Deadline | Within 14 days of notification |
Note: All rewards are non-transferable and cannot be redeemed for cash.
Important Terms and Conditions
| Term | Description |
|---|---|
| Entry Frequency | One entry per receipt/month |
| Draw Date | Second Wednesday of the month following your survey |
| Contact Timeframe | Winners are contacted within 14 days after the draw |
| Claim Deadline | 14 days after notification |
| Nectar Account Requirement | Mandatory to receive the reward |
Tip: Set a reminder each month to fill out your survey and boost your chances of winning.
What Is a Nectar Account?
The Nectar loyalty program is a UK-based points scheme owned by Sainsbury’s. You earn points for shopping at Sainsbury’s and other partner stores like Argos, Esso, and British Airways.
- 1 Nectar point = £0.005, so 100,000 points = £500.
- Redeem your points for groceries, travel, or online purchases.
- Download the Nectar app to track your points, view offers, and activate bonuses.
Where to Find Receipt Info for Survey Entry
Your Sainsbury’s receipt includes all required information. Look for:
| Required Info | Location on Receipt |
|---|---|
| Amount Spent | Near the bottom |
| Transaction Number | 4-digit code under store info |
| Store Number | 5-digit code at top of receipt |
| Date/Time of Visit | Mentioned above item list |
Sainsbury’s: A Quick Overview
Founded in 1869 by John James Sainsbury, this iconic British supermarket chain has:
- Over 1,400 locations across the UK
- 162,700+ employees
- Headquarters in London, EC1N 2HT
- Annual revenue exceeding £23.5 billion
- Market share of 16.9%
Sainsbury’s was one of the first to adopt self-service retailing, making it a pioneer in the industry.
Contact Information
| Method | Details |
|---|---|
| Survey Site | www.lettuce-know.com |
| Official Website | www.sainsburys.co.uk |
| Phone (General) | 0800 636 262 |
| Online Support | 0800 328 1700 |
| Address | Sainsbury’s Supermarkets Ltd, 33 Holborn, London, EC1N 2HT |
FAQs About Lettuce Know Survey
What is the Lettuce Know survey?
It is Sainsbury’s official feedback platform where customers can share their recent shopping experience and enter a sweepstakes to win £500.
How long do I have to complete the survey after shopping?
You must complete the survey within 14 days of your purchase date.
How often can I participate?
Once per month per person, using a unique receipt.
Is purchase necessary?
Yes, a valid receipt is required to take the survey.
Do I need a Nectar account?
Yes. Without a Nectar account, you can’t claim your £500 prize.
How are winners selected?
Through a random draw held on the second Wednesday of the following month.
How will I know if I’ve won?
Winners are contacted via email or phone within 14 days.
Can employees take part in the survey?
No. Employees and their close relatives are ineligible.
Is my information secure?
Yes. All data is protected per Sainsbury’s privacy policy.
What if I enter incorrect receipt details?
Your entry will not be valid. Double-check details before submitting.
Can I win more than once?
You can enter each month, but only one win is allowed per draw.
What if I lose my receipt?
Unfortunately, you cannot take the survey without a receipt.
What should I do if the site isn’t working?
Try again later or contact Sainsbury’s online support.
How do I sign up for a Nectar account?
Visit nectar.com or download the Nectar app from your device’s store.
What if I miss the reward claim window?
Your reward will be forfeited, and an alternate winner will be chosen.
Final Thoughts
Participating in the Lettuce Know Sainsbury’s Customer Satisfaction Survey at www.lettuce-know.com is a quick and rewarding way to provide your feedback and potentially win £500 in Nectar points. Whether you visit Sainsbury’s weekly or occasionally, your opinion matters. Don’t miss this chance to make your voice heard and win big. Save your receipt, go online, and take the survey today!