Standard charge: £3.50. Pre-pay charge: £2.80. The 70p saving adds up fast for anyone crossing more than once a week. For Dartford and Thurrock residents, a £25/year pass beats both.
An auto-pay account that deducts each crossing from a balance and gives you the lower rate every time.
For Dartford Borough Council and Thurrock Council tax payers. Cheaper than pre-pay above ~9 crossings/year, much cheaper for regular commuters.
Set your weekly crossings (one way each direction). The maths runs at car-class rates. The pass is only available to Dartford and Thurrock residents.
Pay-as-you-go
£728
per year
£3.50 per crossing
Pre-pay account
£582
per year
£2.80 per crossing
Save £146/yr vs PAYG
Annual pass (residents)
£25
per year
£25 unlimited
Save £703/yr if eligible
Working: 4 × 52 weeks = 208 crossings/year. Pre-pay break-even is immediate at any frequency. The pass beats pre-pay above ~9 crossings/year.
Annual costs for a car at each frequency. Pre-pay always wins over PAYG. The £25 pass overtakes pre-pay above roughly 9 crossings a year, which makes it the right answer for almost every Dartford or Thurrock resident.
| Crossings/month | Annual | PAYG (£3.50) | Pre-pay (£2.80) | Pass (£25) | Best option |
|---|---|---|---|---|---|
| 1 | 12 | £42 | £34 | £25 | Annual pass (if eligible) |
| 2 | 24 | £84 | £67 | £25 | Annual pass (if eligible) |
| 4 | 48 | £168 | £134 | £25 | Annual pass (if eligible) |
| 8 | 96 | £336 | £269 | £25 | Annual pass saves £243/yr |
| 12 | 144 | £504 | £403 | £25 | Annual pass saves £379/yr |
| 22 | 264 | £924 | £739 | £25 | Annual pass saves £699/yr |
The annual pass row assumes the unlimited £25 tier. If you do fewer than 50 crossings a year, the £12.50 pass is cheaper still.
About five minutes. You need a debit card, a number plate and an email address.
The official portal. Select 'Open a pre-pay account'. Don't use any other site.
Email, address, phone number. You will get a verification email.
Up to 20 number plates per account. Add all the vehicles that should get the discounted rate.
Pay by debit or credit card. Set up Direct Debit auto top-up if you cross often, so the balance never runs dry.
Charges are deducted automatically. You can review every crossing in the online portal or the app.
Yes. You can close a Dart Charge pre-pay account at any time and the remaining balance is refunded to your bank, less any unpaid crossings. Allow 5-10 working days.
Yes, the same product handles personal and small-business use. Up to 20 vehicles per account, billed via one Direct Debit. See the dedicated fleet guide for record-keeping options.
The discount applies to every class. Class C two-axle goods drop from £4.20 to £3.60. Class D HGVs drop from £8.40 to £7.20. See the vans and HGV guides for the full breakdown.
Yes, the overnight free window applies to everyone, account or no account. The cameras still record your vehicle, but no charge is generated.
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