If you’ve made money on Polymarket, the next question is simple:

How do you actually get the money back into your UK bank account?

The process is straightforward once you’ve done it once:

  1. withdraw funds from Polymarket to your wallet
  2. send USDC from your wallet to an exchange
  3. sell USDC for GBP
  4. withdraw GBP to your bank account

For most UK users, the cleanest route is:

Polymarket → MetaMask (Polygon) → Coinbase or Kraken → GBP bank withdrawal

Quick Answer

The easiest withdrawal path is:

  • move USDC back to your MetaMask wallet
  • send USDC on Polygon to Coinbase or Kraken
  • sell USDC for GBP
  • withdraw GBP to your UK bank

Step 1: Withdraw From Polymarket to Your Wallet

Polymarket is connected to your wallet already, so your funds are effectively tied to your Polygon wallet setup.

In practical terms, once your position is closed and you’re back in USDC, that USDC is under your wallet control.

The first checkpoint is simply this:

  • confirm your position is closed
  • confirm your balance is back in USDC
  • confirm the funds are visible in your wallet on Polygon

If you’re still learning the setup, read How to Use Polymarket in the UK first.

Step 2: Send USDC From MetaMask to Coinbase or Kraken

This is the critical transfer.

You need to:

  1. log into your exchange
  2. open the USDC deposit page
  3. select the Polygon network
  4. copy the deposit address
  5. paste it into MetaMask and send your USDC

Important

The network must match.

If your exchange deposit page says Polygon, then send from MetaMask on Polygon.

If you choose the wrong network, you can create a painful recovery job or, in some cases, lose access to the funds.

Which Exchange Should You Use?

Coinbase

Coinbase is usually the easiest for UK beginners.

Why:

  • simple interface
  • easy GBP cash-out
  • strong Faster Payments support

Kraken

Kraken is often better if you care more about pricing and are comfortable with a more exchange-like interface.

For a full comparison, read:

Step 3: Sell USDC for GBP

Once the USDC arrives on your exchange:

  • go to the sell/trade screen
  • convert USDC to GBP
  • confirm the sale

At this point, the crypto part is done. You now hold GBP on the exchange.

Step 4: Withdraw GBP to Your UK Bank

Most UK users will use bank transfer withdrawal.

Typical route:

  • choose GBP withdrawal
  • select your linked bank account
  • confirm the amount
  • submit the transfer

In many cases, Faster Payments withdrawals arrive the same day, sometimes within hours.

How Long Does the Full Process Take?

For most users:

  • MetaMask → exchange transfer: a few minutes
  • USDC sale: immediate
  • GBP bank withdrawal: same day in many cases

A realistic expectation is 30–60 minutes from Polymarket profits to GBP in your bank, assuming your exchange account is already verified.

Fees to Expect

The main costs are usually:

  • spread or trading fee when selling USDC for GBP
  • any exchange withdrawal fee (if applicable)

Polygon transfer fees themselves are tiny.

Common Withdrawal Mistakes

1. Sending to the wrong network

This is the biggest one.

2. Sending to the wrong token address

Double-check that the exchange deposit address is for USDC on Polygon.

3. Forgetting to keep a little POL for gas

You may need a small amount of POL in the wallet to move funds around on Polygon.

4. Trying to cash out before exchange verification is complete

Make sure your exchange account is fully verified before you need the withdrawal.

Best Withdrawal Setup for UK Users

A practical long-term setup is:

  • trade via MetaMask on Polygon
  • keep security tight with Ledger if your balance grows
  • use Coinbase for easiest beginner cash-out
  • use Kraken if you want tighter pricing

Final Recommendation

For most UK users, the simplest withdrawal route is:

Polymarket → MetaMask → Coinbase → GBP bank withdrawal

If you want the cleanest beginner path, that’s the one I’d recommend.

If you’re more fee-sensitive or moving larger amounts, Kraken is worth considering.