You can pay by cheque at any branch of Barclays Bank (or your own bank). Or post your cheque and payment slip to Affinity Water, Tamblin Way, Hatfield, Hertfordshire AL10 9EZ.
Please make cheques payable to Affinity Water Ltd (and write your customer number on the back).
Please don't send cash or post-dated cheques and remember that the post can be slower and costs you a stamp. Please allow five days for a payment to reach us. All our other ways to pay are fast and free!