The custom campervan
handbook.
Plain answers on what a custom campervan really costs, how the sixteen-week build runs, and the spec choices that actually earn their keep. Written by the people building the campers, in a small Surrey workshop.
The complete guide to commissioning a custom campervan in the UK
Custom builds cost more, take longer, and last longer. Here is what the process actually involves, what it really costs, and what to ask any builder before you sign anything.
How much does a custom campervan cost in the UK?
Real numbers, with a breakdown of where the money goes on a typical mid-spec build that lands around £88,000 plus the base vehicle.
Custom build, used conversion, or DIY: how to choose
An honest comparison of the three real options most UK buyers face, with the trade-offs nobody mentions on a forecourt.
VW Crafter vs Mercedes Sprinter for a campervan conversion
Two of the three serious base vehicles for a UK custom build. Here is how they compare on the things that actually matter, and which one we would choose ourselves.
Campervan layouts explained: beds, kitchens, washrooms
The layout decisions that affect daily life most, with the trade-offs each one quietly forces on the others.
Campervan electrical systems: lithium, solar, inverters, explained
What a real off-grid electrical system looks like in 2026, with the numbers from HubDub builds and a plain-English explanation of what each component does.
Inside a HubDub build: 16 weeks from spec to handover
What sixteen weeks in a small Surrey workshop actually looks like, week by week, from the first spec meeting to the morning the keys change hands.
Driving north: planning a Highlands trip in a campervan
How to think about a three-week Scotland trip in a custom campervan: the route choices that matter, the spec that earns its keep, and the gear most owners pack and never use.
Winter in the Cairngorms: how a HubDub holds up in the cold
What sub-zero nights actually demand from a custom campervan, with the spec choices that matter and the ones that do not.
Want to see one in person?
The workshop is fifteen minutes from Heathrow. We see buyers by appointment, Monday to Saturday.