Stage 1 remapping in Bath
Central Bath is covered by the Bath Clean Air Zone, a Class C charging zone that applies to vans but does not charge private cars. A Stage 1 remap does not change a vehicle's emissions standard, so it makes no difference either way to whether the zone charges your van. What it does change is how the engine delivers its pulling power. Fuel, boost and timing settings are adjusted in software, within the engine's limits, and on a diesel the gain is mid-range torque. For a van carrying tools or materials around the city, that means stronger pulling when loaded and fewer gear changes, while the gearbox and clutch set how far the remap should go.
Vehicles and driving in Bath
- Privately kept cars in Bath and North East Somerset
- 90,062: 24% diesel, 64% petrol (council area, June 2026)
- Privately kept vans in Bath and North East Somerset
- 7,832, 93% of them diesel
- Drive to work (2021)
- 27.7% of working residents drive a car or van to work (England and Wales: 45.1%)
- Long commutes (2021)
- 2.8% travel 30 km or more to work (England and Wales: 4.4%)
- Households with two or more cars or vans (2021)
- 26.8% (England and Wales: 35.4%)
- Clean air zone
- Bath Clean Air Zone
- Postcode districts
- BA1, BA2
- Main roads
- A4, A36, A46, A367, A3039, A3604, A3062, A431
- Population
- About 94,100 (Bath and North East Somerset)
Driving in and around Bath
In the 2021 Census, 28.5% of households in the Bath built-up area had no car, more than the England and Wales figure of 23.3% and the 19.9% across the Bath and North East Somerset council area. Only 27.7% of working residents drove to work. Moto Leigh Delamere on the M4, 20.3 km away, is the nearest listed service area, and the main roads are A roads such as the A4, A36, A46 and A367. Keynsham is 9.7 km from the city and Trowbridge 13.2 km. Just 26.8% of households in the built-up area had two or more cars, against 35.4% in England and Wales. Where a household does run a diesel, a remap's extra mid-range torque helps when joining the A36 or A46 out of the city, getting up to speed with fewer downshifts.
Who does the remap in Bath
An independent mobile technician from our national network does the remap at your home or workplace, booked and managed by us. Call with your reg and postcode and we'll tell you straight whether we can cover Bath.
Diagnostics before and after, a remap file matched to your vehicle, repair only: no DPF, EGR or AdBlue deletes.
Common diesels in BA postcodes
AdBlue warning on? Repair comes before any remap: AdBlue repair in Bath
Frequently Asked Questions
We check on the phone who can get to you in Bath before anything is booked.
We give you the price on the phone once we know your vehicle.
No. The charge depends on fuel type and emissions standard, and a remap changes neither. It covers central Bath and charges vans, not private cars.
Stage 1 remapping near Bath
Distances below are in a straight line.
Sources: DfT VEH0105 (privately kept vehicles), Census 2021 (ONS) for Bath built-up area (taken in lockdown), DVSA MOT results 2025 (diesels, by test station postcode area), the zone operator, OpenStreetMap (ODbL) and postcodes.io. Public sector information under the Open Government Licence v3.0. Updated 30 October 2026.