Every driver has thought it: “I’ll just do it in the car.” Sometimes that’s genuinely the smart move. More often it’s a Saturday of fourteen trips, a scratched boot, a strained back and a bill that quietly outgrew the van you were trying to avoid. Here’s how to run the numbers before you start loading.
Start with what a car actually holds
Boot capacity figures are measured with the seats up and the load packed to the parcel shelf, which is not how anyone moves house. The realistic working numbers look like this. A supermini with the rear seats folded gives you roughly 900 to 1,100 litres of usable space, which is around eight to ten medium moving boxes if you stack carefully and accept that nothing fragile goes on the bottom. A mid-size hatchback or saloon manages about 1,200 to 1,500 litres, call it twelve to fifteen boxes or four boxes and a flat-pack bookcase. A large estate or SUV with seats down stretches to 1,700 to 2,000 litres, which is where a single mattress, a dismantled bed frame or a two-seater sofa starts to be physically possible, if not comfortable.
Now compare that with a home. A studio flat typically produces 15 to 25 boxes plus furniture. A one-bedroom flat is closer to 30 to 40 boxes and several large items. A two-bedroom house runs to 50 or more. Divide those by your car’s realistic load and you have your trip count. A one-bed in a hatchback is three to four trips for boxes alone, before a single piece of furniture that won’t fit in the car at all.
The trip count is where the maths turns
Each round trip costs fuel, time, parking at both ends, and in London a daily congestion or ULEZ charge if your route and vehicle qualify. Three or four runs across the city on a Saturday is easily four to six hours including loading and unloading, and that assumes nothing goes wrong. The hidden cost is the furniture that never fit: the wardrobe, the mattress, the washing machine. Those force either a second vehicle, a hire van you still have to drive and park, or a separate delivery, and at that point the “free” car move has cost more than hiring help for the whole job.
The risks nobody prices in
Visibility and weight. A car packed to the roof lining has no rear view and a changed centre of gravity. Overloading past the manufacturer’s maximum payload is also an insurance and safety issue, not just a comfort one.
Loose loads. Boxes and furniture that aren’t strapped down become projectiles under braking. A van has tie-down points and a bulkhead between the load and the driver; a car has a parcel shelf.
Children and car seats. If you’re moving a family, the car is usually needed for the kids on the day, which means it can’t also be the moving vehicle. A car seat installed correctly can’t share a back seat with a chest of drawers, and nobody should be improvising with child restraints to make room for boxes.
Damage to the car. Scratched bumpers, torn seats and a dented boot lid are common enough that the repair bill alone can exceed the cost of a van.
When the car genuinely wins
Be fair to the car. It’s the right tool for a small number of moves: a student room, a single person moving between furnished flats, a short local hop where the furniture is staying or is being delivered separately, or the “essentials run” the night before a bigger move. If the whole job is under ten boxes and nothing larger than a suitcase, drive it yourself and save the money.
When to call a man and van instead
The crossover point is earlier than most people expect: roughly the moment the move needs more than two trips, or includes any single item that doesn’t fit in the car. A man and van London service brings a vehicle sized for furniture, a second pair of hands for the carrying, and tie-downs so the load arrives in one piece, usually for a fixed or hourly price that is lower than most people assume once they’ve counted their own fuel, parking and lost Saturday.
For larger or more valuable moves, check the operator’s standing before you book. In the UK, movers accredited by the British Association of Removers work to an independently monitored code of practice covering vehicles, handling and insurance, which matters more when a van is carrying everything you own rather than a few boxes of books.
A quick decision rule
Count your boxes, list anything bigger than a suitcase, and work out the trips. Under ten boxes and no big items: take the car. Two trips or more, or any furniture: get a van and a second person. Anything approaching a full home: hire properly, insure it, and keep your own car free for the kids, the kettle and the keys.