# Mustard London Cashback — Compare Rates Across 4 Cashback Portals

> GotCashback.co.uk tracks Mustard London cashback rates across 4 cashback portals, updated 2026-07-30T02:54:26Z. Current best rate: **5.05%** via **SimplyBestCoupons.co.uk**. This page is the agent-readable version of https://www.gotcashback.co.uk/Stores/Mustard-London/.

- Canonical HTML page: https://www.gotcashback.co.uk/Stores/Mustard-London/
- Store website: https://justmustard.com
- Data freshness: rates last checked 2026-07-30T02:54:26Z; rates change frequently — treat values older than 24 hours as stale and re-fetch.
- All rates apply to online purchases initiated through the portal's tracking link unless noted otherwise.

Discover Mustard London cashback rates of up to up to 5.05% from 4 trusted U.K. cashback portals.

## Best Current Rate

| Field | Value |
|---|---|
| Best rate | 5.05% |
| Portal | [SimplyBestCoupons.co.uk](https://www.gotcashback.co.uk/Portals/SimplyBestCoupons/) |
| Rate type | flat |
| Cashback link | https://www.gotcashback.co.uk/Click/SimplyBestCoupons/Mustard-London/ |

## All Portal Rates

Sorted by cashback rate, highest first. Use the "Cashback link" URL to activate rate comparison and tracking.

| Portal | Cashback rate | End date | Conditions | Cashback link |
|---|---|---|---|---|
| [SimplyBestCoupons.co.uk](https://www.gotcashback.co.uk/Portals/SimplyBestCoupons/) | 5.05% | — | — | https://www.gotcashback.co.uk/Click/SimplyBestCoupons/Mustard-London/ |
| [ShopBuddies.co.uk](https://www.gotcashback.co.uk/Portals/shopbuddies/) | 5.000% | — | — | https://www.gotcashback.co.uk/Click/shopbuddies/Mustard-London/ |
| [TopCashback.co.uk](https://www.gotcashback.co.uk/Portals/topcashback-uk/) | 4.50% | — | — | https://www.gotcashback.co.uk/Click/topcashback-uk/Mustard-London/ |
| [Quidco](https://www.gotcashback.co.uk/Portals/quidco/) | 3.75% | — | — | https://www.gotcashback.co.uk/Click/quidco/Mustard-London/ |

## Rate History

Chart-ready JSON with historical best rates per portal:

- Last 12 months: https://www.gotcashback.co.uk/Stores/Mustard-London/History/Json/year/
- Last 30 days: https://www.gotcashback.co.uk/Stores/Mustard-London/History/Json/month/

## Terms & Exclusions

Common conditions for cashback (verify per portal before purchase):

- Cashback typically applies to orders initiated through the portal's tracking link; in-store offers, where available, are listed separately above.
- Gift card purchases usually do not earn cashback.
- Cashback is voided if another browser extension or coupon code claims the affiliate attribution.
- Tracking requires clicking through the portal link with ad/tracker blocking disabled.
- Portal-specific conditions are listed in the "Conditions" column above.

## How It Works

1. Compare rates in the tables above and pick a portal.
2. Follow the cashback link, sign in (or register) at the portal, and click through to Mustard London from the portal.
3. Complete your purchase in the same session without visiting other coupon sites.
4. Cashback tracks in your portal account and becomes withdrawable after the portal's payout waiting period.

## FAQ

**What is Mustard London cashback?**
Mustard London cashback refers to the money you earn back when making purchases from Mustard London through cashback portals. It's a way to save money while shopping.

**How can I earn Mustard London cashback?**
You can earn Mustard London cashback by shopping through cashback comparison websites that offer cashback deals for Mustard London products. Simply click through from the portal to the Mustard London site.

**Which cashback portals offer Mustard London cashback?**
Several cashback portals may offer Mustard London cashback, including popular sites like SimplyBestCoupons.com and others. Always check to find the best cashback rates.

**Do I need to sign up for a cashback portal to earn Mustard London cashback?**
Yes, you typically need to sign up for a cashback portal to start earning cashback on your Mustard London purchases. This registration is usually free and quick.

**Is there a minimum purchase requirement to earn Mustard London cashback?**
Some cashback portals may have a minimum purchase requirement to earn Mustard London cashback. Check specific terms on the cashback website before shopping.

**How long does it take to receive Mustard London cashback?**
The time it takes to receive Mustard London cashback varies by portal. Typically, it can take anywhere from a few days to several weeks for transactions to be confirmed.

**Can I combine Mustard London cashback with other promotions?**
Yes, in many cases, you can combine Mustard London cashback with other promotions or discounts. Always review the terms of each promotion before purchasing.

**What should I do if my Mustard London cashback doesn’t track?**
If your Mustard London cashback doesn’t track, you can usually submit a claim through the cashback portal, providing your purchase details for resolution.

**Are there any exclusions for earning Mustard London cashback?**
Certain products or categories may be excluded from earning Mustard London cashback on specific portals. Check the terms and conditions for more information.

**How can I maximize my Mustard London cashback earnings?**
To maximize your Mustard London cashback, utilize cashback portals during sales, stack cashback offers, and research the best cashback rates available.

**Is it safe to shop for Mustard London cashback through cashback portals?**
Yes, shopping through established cashback portals for Mustard London cashback is generally safe. Stick to reputable sites to ensure your data is protected.

**Can I earn Mustard London cashback on gift card purchases?**
It depends on the cashback portal. Some may allow Mustard London cashback on gift card purchases, while others may not. Review the policy before buying.

**What payment methods qualify for Mustard London cashback?**
Most payment methods, including credit cards and PayPal, typically qualify for Mustard London cashback, but always verify with the cashback portal for specifics.

**Do I need to use promo codes to earn Mustard London cashback?**
Using promo codes is not always necessary to earn Mustard London cashback, but certain portals may require them for specific offers. Check the portal for details.

**Can I track my Mustard London cashback earnings?**
Yes, most cashback portals provide a dashboard to track your Mustard London cashback earnings and review your transaction history.

**What should I do if I have trouble accessing Mustard London through the cashback portal?**
If you experience trouble accessing Mustard London through the cashback portal, try clearing your browser cache, using a different browser, or contacting customer support.

**Can I earn Mustard London cashback while using coupon codes?**
Yes, in many cases, you can earn Mustard London cashback while using coupon codes, as long as you follow the cashback portal's guidelines.

**Is there a limit to how much Mustard London cashback I can earn?**
Several cashback portals may impose limits on the maximum cashback you can earn for Mustard London purchases. Be sure to read the terms for applicability.

**What happens if I return products purchased to earn Mustard London cashback?**
If you return products for which you earned Mustard London cashback, the cashback amount will typically be deducted from your account according to the portal's policy.

## Related

- All stores index (HTML): https://www.gotcashback.co.uk/Stores/
- Site index for agents: https://www.gotcashback.co.uk/llms.txt
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---
*Machine-readable metadata*

```json
{
  "type": "CashbackStoreOffer",
  "store": "Mustard London",
  "storeUrl": "https://justmustard.com",
  "canonical": "https://www.gotcashback.co.uk/Stores/Mustard-London/",
  "lastUpdated": "2026-07-30T02:54:26Z",
  "bestRate": {
    "advertised": "5.05%",
    "effectivePercent": 5.05,
    "tiered": false,
    "portal": "SimplyBestCoupons.co.uk",
    "portalUrl": "https://www.gotcashback.co.uk/Portals/SimplyBestCoupons/",
    "clickUrl": "https://www.gotcashback.co.uk/Click/SimplyBestCoupons/Mustard-London/"
  },
  "portalCount": 4,
  "portals": [
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      "rate": "5.05%",
      "effectivePercent": 5.05,
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      "url": "https://www.gotcashback.co.uk/Click/SimplyBestCoupons/Mustard-London/"
    },
    {
      "name": "ShopBuddies.co.uk",
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      "effectivePercent": 5,
      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.co.uk/Click/shopbuddies/Mustard-London/"
    },
    {
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      "url": "https://www.gotcashback.co.uk/Click/topcashback-uk/Mustard-London/"
    },
    {
      "name": "Quidco",
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      "tiered": false,
      "locationType": "Online",
      "offerType": "Cashback Portals",
      "url": "https://www.gotcashback.co.uk/Click/quidco/Mustard-London/"
    }
  ]
}
```