Free guide to starting a UK plant hire companyUpdated October 2026 · Browse all guides
Plant Hire Start-Up Guide
Startup checklist

Finance and growth

Expanding your plant hire fleet

When a hire firm should add machines, which ones, how to fund growth, and the other bottlenecks to fix before expanding.

Guide specPHSUG-83
Read time6 min
LevelIntermediate
PaceOne at a time
UpdatedOct 2026

Key takeaways

  • Add a machine when existing ones run above target utilisation and you're turning work away.
  • Buy the machine customers keep asking for, or a second of your busiest one.
  • Fund growth so a quiet month doesn't sink you: deposits and working capital first.
  • Check drivers, trailers, yard space and admin can handle the extra hires.

When to add a machine

  • The same machine type runs above about 65–75% utilisation for two to three months.
  • You're cross-hiring the same kit most weeks.
  • You're turning down enquiries you could win.
  • Your forecast shows the new machine's finance is covered at a conservative utilisation.

Which machine next

OptionWhen it makes sense
Second unit of your busiest machineDemand clearly exceeds supply
Machine you cross-hire mostCross-hire costs approach finance costs
Complementary machineCustomers keep asking (e.g. a roller with your excavators)
Bigger machineCustomers are moving to larger jobs and transport allows it
AttachmentsCheaper way to add value to existing machines

Funding growth

Hire purchase and leasing let new machines pay their way from hire income, but each one needs a deposit, possibly upfront VAT, and a working-capital buffer. Once you have a trading history, finance usually gets cheaper and easier. Asset refinance can release cash from machines you own outright. See finance options.

Other bottlenecks

  • Transport: can your drivers and vehicles deliver more hires per day?
  • Yard: room to park, load and service more machines?
  • Maintenance: can your fitter keep up?
  • Admin: are bookings and invoices keeping pace?
  • Insurance: tell your insurer before adding machines.

Growing at the right pace

Add one machine at a time and let each prove itself before the next. Watch the KPIs monthly: if utilisation drops across the fleet after a purchase, pause. Firms that expand too fast usually end up with idle machines and finance payments they can't cover.

Ready for the next machine?

Finance fleet expansion

Plant Hire Finance, our sister site, introduces established and newer hire firms to a specialist broker for fleet expansion and refinance.

Plant Hire Finance is run by the same team as this guide. It is an introducer, not a lender or broker. Finance is subject to status and available to UK businesses only.

FAQs

Common questions

When should a plant hire company buy another machine?
When existing machines of that type run above target utilisation for a few months, you're turning work away or cross-hiring regularly, and your forecast shows the finance is covered at conservative utilisation.
Which machine should I add next?
Usually a second unit of your busiest machine, or the machine you cross-hire most. Attachments are a cheaper way to add value.
How do I fund fleet expansion?
Most hire firms use hire purchase or leasing, keeping a working-capital buffer for deposits and VAT. Asset refinance can release cash from machines you own.

This guide is general information for people setting up a plant hire business in the UK. It is not legal, tax, insurance or financial advice. Rules and thresholds change, so check current guidance on GOV.UK and take advice from an accountant, solicitor or broker before acting.