Mileage Rate 2026 in Newcastle: Your Questions Answered on Changing or Adding a Car

The mileage rate 2026 for self-employed drivers is 55p a mile for the first 10,000 business miles in the 2026/27 tax year, then 25p, and it does not reset when you change car. What does change is your method: each car makes its own choice between the flat rate and actual costs, and a replacement car is the only point where you can move between them.

This FAQ is for Newcastle ride-hailing and private hire drivers who replace a car after a write-off, add a spare, move into a lease, or switch to an electric or hybrid car part-way through the year. It explains how the 10,000-mile band is shared, what happens to capital allowances, and how a car change sits alongside Newcastle City Council licensing and the Tyneside Clean Air Zone. If you only need the basics of claiming, start with our Newcastle mileage allowance how-to.

Key takeaways

• The 2026/27 flat rate is 55p for the first 10,000 business miles and 25p after, and the band covers all your flat-rate cars together.
• Each car has its own method. Once a car is on the flat rate, it stays there for as long as you use it in your business.
• A replacement car is your chance to switch method, so compare both options before the first claim on the new car.
• A new, unused zero-emission car may qualify for a 100% first-year allowance, which can make actual costs worth a look.
• A new car usually means a new Newcastle City Council vehicle licence, and a compliant car avoids the Clean Air Zone charge.

What is the mileage rate 2026?

The mileage rate 2026 is HMRC's flat simplified-expenses deduction for business miles in a car: 55p a mile for the first 10,000 business miles in 2026/27, then 25p. It replaces fuel, insurance, repairs, finance and the cost of the car itself.

According to GOV.UK's simplified expenses guidance for vehicles, the 55p rate applies in 2026/27 and the rate was 45p before 6 April 2026. The 25p rate after 10,000 miles is unchanged. You can still claim parking and other travel costs, such as train fares, on top.

Key terms

• Flat rate (simplified expenses): a fixed amount per business mile that replaces your actual car costs.
• Actual costs: claiming the business share of real running costs, such as charging or fuel, insurance and repairs, plus capital allowances on the car.
• Capital allowances: tax relief on the cost of a car you buy, spread over several years or, in some cases, given in full in the first year.
• First-year allowance (FYA): a 100% allowance in the year of purchase, currently available for new, unused zero-emission cars.
• Balancing charge: an amount added back to your profit when a car you claimed capital allowances on is sold for more than its remaining tax value.
• PHV (private hire vehicle): a car licensed by a council for pre-booked work, including jobs from your driver app.
• CAZ (Clean Air Zone): an area where older, more polluting vehicles pay a daily charge to drive in.

Does the mileage rate 2026 change when you change your car?

No. The rate is set per mile, not per car, so the 55p and 25p figures stay the same whatever you drive, including electric and hybrid models. What changes is that the new car makes its own method choice, and its business miles feed into the same 10,000-mile band as any other flat-rate car you have used that year.

In practice, most of the mileage rate 2026 problems we see after a car change are record problems rather than rate problems. Drivers keep one running total, forget to close the old log on the day the car went, or claim the new car's insurance as well as the flat rate. Our guide to keeping an HMRC mileage log covers what each entry needs; for a car change, the key addition is the date each car came in and went out.

Can you switch between the mileage rate and actual costs?

Not for the same car under the mileage rate 2026 rules. GOV.UK says that once you use the flat rate for a vehicle, you must continue as long as you use it in your business. HMRC's manual adds that you can only change method when the vehicle is replaced.

HMRC's Business Income Manual at BIM75005 puts it plainly: the mileage basis must be applied consistently from year to year, and a change to or from the actual basis is possible only on replacement. It also says that if capital allowances have ever been claimed on a vehicle, the mileage rate cannot be used for that vehicle. So the lock works both ways, but it attaches to the car rather than to you.

That makes the date you start using a replacement car an important decision point. The first claim you make on the new car, whether a flat-rate figure or a capital allowance, sets its method for its whole working life with you.

Does the 10,000-mile band restart with a new car?

No. The 55p band covers the first 10,000 business miles in the period across all the cars you claim on the flat rate. If your old car used 6,000 of those miles before it was written off, your replacement gets 4,000 more at 55p, and every business mile after that is at 25p.

The rule comes from section 94F of the Income Tax (Trading and Other Income) Act 2005. It limits the 55p rate to 10,000 miles where the total number of miles of relevant business journeys in the period is more than 10,000. Relevant journeys are those made in cars or goods vehicles on the flat rate, so miles driven in a car on actual costs do not use up the 55p band.

None of the mainstream guides we reviewed spell this out, and it is the error that most often inflates a changeover year. Restarting the band for the new car can add more than £2,000 to a claim that HMRC would not accept. The worked example below shows the difference in pounds.

How do two cars share the mileage rate 2026?

If both cars are on the flat rate, they share one 10,000-mile band and you add their business miles together. If one car is on actual costs, its miles sit outside the band. GOV.UK confirms you do not have to use flat rates for all your vehicles, so each car can follow a different method.

Under the mileage rate 2026, two-car set-ups need care. They are common in Newcastle when a main car is off the road for repairs, or when a driver keeps an older car as a spare during a vehicle licence renewal. Each car needs its own log with its registration, and the spare's method is fixed from its first claim. If the spare is cheap, old and rarely used, the flat rate is usually the simpler choice.

What if your new car is leased or on finance?

On the flat rate, lease payments are not claimed separately because the per-mile figure already covers acquiring, hiring or leasing the car. On actual costs, you claim the business share of the lease rentals instead, but HMRC restricts part of the rentals for higher-emission cars unless you use the cash basis.

HMRC's guidance at BIM47714 applies a 15% restriction to hire costs for cars with CO2 emissions above 50g/km, for Income Tax periods from 6 April 2021. The same page says these rules do not apply to businesses using the cash basis, so check which basis your accounts use. For a car bought on hire purchase, the position is different again: under actual costs you would normally claim capital allowances on the car and the business share of the interest, so ask us to check the agreement before you sign.

Is an electric or hybrid car treated differently?

Not on the flat rate. The 55p and 25p rates apply to cars whatever their fuel. The difference is on actual costs, where a new, unused zero-emission car can currently get a 100% first-year allowance, while most hybrids fall into a slower capital allowance pool because of their CO2 figure.

According to GOV.UK's capital allowances guidance for business cars, cars bought from April 2021 get the 100% first-year allowance if new and with 0g/km CO2. Cars up to 50g/km go in the main rate pool, at 14% a year from April 2026 (18% before). Cars above 50g/km go in the special rate pool at 6% a year. Second-hand electric cars get main rate allowances, not the first-year allowance.

The first-year allowance is time-limited. The government's policy paper on extending first-year allowances for zero-emission cars says it now ends on 5 April 2027 for Income Tax. If you are buying a new electric car around then, the purchase date could decide which allowance you get, so check the current position on GOV.UK before you commit.

What happens to capital allowances when an actual-cost car leaves?

When you sell or scrap a car you claimed capital allowances on, its sale value comes off its pool. If that value is more than what is left in the pool, the difference is a balancing charge added to your taxable profit. A flat-rate car has no pool, so this does not arise.

Because most sole traders also use their car privately, each car on actual costs normally sits in its own single asset pool, with claims reduced by the private use share. This is why a big first-year allowance is not free money: if you sell the car for a good price a few years later, part of the relief comes back. For the mechanics of pools and private use, check the GOV.UK business cars guidance linked above or ask us to run the figures.

How does a car change fit with Newcastle licensing and the Clean Air Zone?

A replacement car generally needs its own private hire vehicle licence from Newcastle City Council before you accept bookings in it. If the old car did not meet Clean Air Zone standards, the right replacement also ends the daily charge for driving into the city centre or over the central Tyne bridges.

Newcastle City Council vehicle licensing

Newcastle City Council licenses private hire drivers, operators and vehicles in the city. The council's website could not be reached when we reviewed this guide, so we have not quoted its current fees, vehicle age limits or test arrangements. Check them directly with the licensing team before you buy a replacement, because a car that does not meet the vehicle policy cannot earn, however good the price was.

From a tax point of view, record the date the new car was licensed and the date you first took a booking in it. Journeys to the council's vehicle test and to the garage for business repairs are business trips and go in the log. A licence fee for the vehicle is a separate business cost, and our Newcastle year-end mileage checklist explains how it sits alongside the flat rate.

The Tyneside Clean Air Zone

According to the councils' Breathe Clean Air taxi drivers page, charges have applied to some taxis and private hire vehicles since 30 January 2023. Non-compliant vehicles pay £12.50 a day to drive into Newcastle city centre or over the Tyne, Swing, High Level and Redheugh bridges. Compliant vehicles need a Euro 6 diesel or Euro 4 petrol engine, which generally means diesels registered after September 2015 and petrol cars registered after 2005.

Taxis and private hire vehicles licensed in Newcastle, Gateshead or North Tyneside can buy a seven-day discount permit for £50 instead of paying daily. A fully electric car produces no exhaust emissions, so it is not one of the older vehicles the charge targets. If you are weighing up a replacement, the charge you stop paying belongs in the comparison.

Mileage rate or actual costs for your next car: a decision table

We built this table from the cases we see most often at changeover time. It is a starting point for a conversation, not a verdict, because your annual miles, the car's price and your private use all shift the answer.

You can rough out the mileage rate 2026 side of the comparison using our mileage calculator. If you are thinking of moving into a company at the same time as changing car, read mileage allowance for limited company drivers first, because the flat-rate simplified expenses described here are not available to limited companies.

How do you handle a car change step by step?

Close the old car's records, choose the new car's method before its first claim, and keep one running total of flat-rate business miles for the 10,000-mile band. Then update your licensing and Clean Air Zone position. The steps below are the order we follow with clients.

1. Write down the odometer reading and date on the day the old car stops working for the business, and close its log.
2. Note how many flat-rate business miles you have used so far in 2026/27, so you know how much of the 10,000-mile band is left.
3. Check whether you ever claimed capital allowances on the old car; if you did, keep its sale or scrap paperwork for the pool calculation.
4. Before buying, check the replacement against Newcastle City Council's vehicle licensing rules and the Clean Air Zone emission standards.
5. Compare the flat rate and actual costs for the new car over the years you expect to keep it, not just the first year.
6. Record your chosen method in your bookkeeping on the day the new car starts work, and open a separate log with its registration.
7. Keep finance, lease or purchase documents for the new car, whichever method you pick, for at least five years after the 31 January filing deadline.
8. At the year end, add up flat-rate miles across all cars, apply 55p to the first 10,000 and 25p to the rest, and add any actual-cost car separately.

Illustrative example: a Newcastle driver who replaces a car in September

This is an illustrative example of the mileage rate 2026 across a car change, with an invented driver and our own figures. Driver J is a self-employed private hire driver based in Fenham who uses a ride-hailing app. From 6 April to 31 August 2026 she drives 7,200 business miles in a used petrol hybrid on the flat rate. The car is written off, and from 1 September she drives a new fully electric car costing £32,000.

From September to 5 April 2027 she expects 14,800 business miles in the new car, so 22,000 for the year. She estimates 85% business use. Her running costs for the electric car over those seven months are £3,400, covering home and public charging, private hire insurance, tyres and servicing.

Option B is the mistake: it treats the new car as if it had a fresh 10,000-mile band. Option C gives the largest first-year figure, but it is not the end of the story. In later years Driver J would claim only 85% of her running costs, and when she sells the car, part of the £27,200 could come back as a balancing charge.

Suppose she keeps the car three years, drives 25,000 business miles a year and sells it for £14,000. On the flat rate, years two and three would give £9,250 each (10,000 at 55p plus 15,000 at 25p). On actual costs, with running costs of about £6,000 a year, they would give £5,100 each, and the sale could create a balancing charge of around £11,900. Over three years Option C still comes out ahead in this case, but the gap is far smaller than year one suggests, and a deduction that large in one year may push her profit below her personal allowance, wasting part of the relief.

Common mistakes when changing cars and the penalty each triggers

Each of these mileage rate 2026 errors usually leads to an amended return, the extra tax and interest on it. Where HMRC decides the error was careless, it can add an inaccuracy penalty on top, so getting the changeover right matters more than shaving a few pounds off the claim.

• Restarting the 10,000-mile band for the new car: overclaims at 55p and leads to extra tax, interest and a possible penalty for a careless inaccuracy.
• Claiming lease or finance payments on top of the flat rate: double relief that HMRC will disallow, with interest on the tax underpaid.
• Moving the same car from the flat rate to actual costs because a big repair bill arrived: not allowed, and the extra costs claimed will be removed.
• Putting a car on the flat rate after claiming capital allowances on it: the flat-rate claim fails, and the allowances position needs unpicking.
• Forgetting the balancing charge when an actual-cost car is sold: profit is understated for that year, with tax, interest and a possible penalty to follow.
• Using the flat rate for a hackney carriage: GOV.UK excludes black cabs and hackney carriages, so the whole claim would need recalculating on actual costs.

Your car choice also feeds into wider thresholds. From 6 April 2026, Making Tax Digital for Income Tax applies to sole traders with qualifying income above £50,000, falling to £30,000 from April 2027 and £20,000 from April 2028; our guide to Making Tax Digital for ride-hailing drivers explains what that means for your records. Qualifying income is based on your takings, not your profit, so a bigger vehicle deduction does not keep you below it.

How UK Driver Accountants helps

We work only with drivers, on fixed fees from £20 a month, and we are independent of any ride-hailing app. Our personal tax service for drivers includes checking your method for each car, tracking the shared 10,000-mile band across a changeover and handling capital allowances when an actual-cost car is sold. See our Newcastle drivers page for local help, or compare plans on our pricing page.

Conclusion

The mileage rate 2026 is simple until you change car. Remember three rules: the 10,000-mile band is shared by all flat-rate cars in the year, each car's method is fixed by its first claim, and a replacement is your one chance to switch. If you are about to replace, add or lease a car in Newcastle, talk to our team before the first claim on it, and keep an eye on the key tax dates for drivers, including the 31 January online filing deadline.

Last reviewed 6 November 2026 by the UK Driver Accountants tax team.

This guide is general information and not personal tax advice. Rules depend on your circumstances, so speak to a qualified accountant before choosing a method for a car. If HMRC opens an enquiry or proposes a penalty on your vehicle claims, we recommend professional representation.