Feast, Then Famine: How to Manage Cash Flow Through the Stove Installer's Off-Season

If you've ever looked at your bank balance in July and wondered where all the money from your busiest winter went, you're not alone. Wood burner and stove installation is one of the most seasonal trades there is — and the seasonality isn't a scheduling quirk, it's a cash flow problem hiding in plain sight.

Most installers know the pattern instinctively: from September, phones start ringing and diaries fill up fast, sometimes stretching a two-week lead time in summer out to several months by December. Then spring arrives, the rush stops almost overnight, and a lot of installers spend April to August wondering why a business that was turning away work six months ago is suddenly tight on cash.

This isn't really a demand problem. It's a timing problem — and it's one you can plan around.

Why the Feast-or-Famine Cycle Catches Installers Out

The core issue is that revenue and outgoings don't move in sync. Your busiest months generate the most income, but a lot of that income gets tied up in tax bills, material costs for jobs that haven't been paid in full yet, and — critically — it often lands in your account at exactly the moment you're least worried about money, which is when it's easiest to spend it.

Then the quiet months hit, fixed costs like van finance, insurance, tool replacement and HETAS membership keep going regardless of how many jobs are on, and there's no fresh income landing to cover them. Add a VAT bill or a self-assessment payment on account falling in a quiet month, and a business that had a genuinely good winter can still end up scrambling in June.

Know Your Own Calendar, Not Just the Industry's

The seasonal pattern is well known, but your business isn't the industry average. Before you can smooth out cash flow, you need to know what your own quiet months actually look like — not guess at them.

If you've got two or three years of job history in a CRM or even just old invoices, pull it apart by month: jobs booked, jobs completed, and cash actually received (these are three different dates, and the gap between them is often where the squeeze comes from). Most installers find their real quiet period is narrower than they assume, and there's often a smaller secondary dip around January when customers are recovering from Christmas spending rather than booking installations.

Knowing the actual shape of your year turns "cash flow is a nightmare" into a specific, plannable gap: for example, "outgoings exceed income from March to May most years." That's a problem you can build a buffer for.

Build a Buffer Before You Need One

The single biggest lever most installers have is deliberately holding cash back during the busy months rather than treating a full bank balance in November as spare. A simple rule that works for a lot of trade businesses: as soon as a job is paid, move a fixed percentage — commonly 20-25% — straight into a separate savings account before it touches your main working account. Treat that money as already spent, because functionally it is: it's your tax bill and your quiet-month wages, just not due yet.

This matters more than it sounds because of how UK tax deadlines land relative to the trade's own calendar. If you're VAT registered, quarterly returns and payment typically fall around a month after each quarter end, and self-assessment payments on account fall at the end of January and the end of July — which for many installers means a tax bill lands right in the middle of the quiet season, not the busy one. Sole traders in particular can get caught by the "second payment on account" in July, exactly when the previous winter's cash has often already been absorbed into materials and living costs. A separate tax pot removes the nasty surprise.

Get Paid on the Way Through the Job, Not Just at the End

Deposits and staged payments do double duty: they protect you if a job falls through, and they pull cash forward into months when you might otherwise be waiting on a big final invoice. For an installation-sized job, a deposit in the region of 10-20% of the contract value to cover materials and the first week's costs is standard practice in the trades and won't raise eyebrows with customers — above roughly 25% starts to look unusual and can make customers understandably cautious, especially on larger jobs. For bigger multi-day installs, a staged structure (deposit on booking, a payment when materials arrive or first fix is complete, balance on completion and sign-off) keeps cash moving in line with your own costs instead of sitting in one lump at the end.

The knock-on benefit is that staged payments also reduce how much of your own money is tied up in a job at any one time — useful when you're running several installs back to back in peak season and buying flue liners, stoves and hearths for all of them at once.

Use the Quiet Months on Purpose

The other side of smoothing cash flow is making the quiet months earn their keep rather than just enduring them. This is where a lot of installers already run annual servicing and safety checks to fill the gap, and it works because it's recurring, plannable revenue that doesn't depend on a cold snap to generate leads.

Beyond servicing, quiet months are also the right time to do the admin that gets skipped in December: chasing overdue invoices from the busy season, updating pricing for the year ahead, getting HETAS paperwork and CPD up to date before renewal deadlines catch you out, and working through quotes and enquiries that came in during winter but couldn't be booked in until spring. None of that generates cash directly, but it protects the cash you've already got by avoiding late-payment gaps and renewal scrambles.

Where Job Tracking Fits In

None of this works well if the numbers only live in your head or across a mix of paper invoices, bank statements and old quotes — that's exactly how a good winter quietly turns into a tight summer without anyone noticing until it's too late. Having every job, deposit, staged payment and completion date logged in one place makes it far easier to see your real seasonal pattern rather than guessing at it, and to spot which jobs are still owed money before they turn into a July problem.

BurnerCRM was built around the way installers actually work — enquiry through to completion, with job status, payments and paperwork tracked in one system rather than scattered across spreadsheets and text threads. If you want a clearer picture of your own busy-to-quiet cash flow pattern instead of finding out the hard way each spring, take a look at BurnerCRM.