By the Unity Stays directors, Marcus Chong & Gadir Al-Khatib · Last updated 12 August 2026
In short: Model the weakest month, not the twelve-month average — fixed costs arrive every month. Quiet months fill with non-leisure demand — contractors, consultants, NHS staff and relocations — which is mid-week, longer-stay and company-booked, so configure for it: longer minimum stays, genuine monthly rates, a desk, fast broadband and invoicing. Where the low season cannot cover fixed costs, a long let wins.
Why the average month is a misleading number
Almost every short-let projection is built on a twelve-month average, and almost every disappointment happens in a specific month.
A property earning well on average can still fail to cover its fixed costs in February — and the fixed costs do not average out. The mortgage, the utilities, the council tax or rates, the broadband and the software all arrive regardless.
Model the weakest month. If it covers the fixed costs, the property survives a bad year. If it only works on the average, you are relying on strong months to subsidise weak ones, which is fine until the strong months come in soft.
What actually fills a quiet month
Not more weekend leisure bookings. There is no leisure demand to win in a wet February in most of the country, and discounting into it just sells cheap nights.
What fills it is demand that has nothing to do with holidays: contractors on site, consultants on assignment, engineers doing planned maintenance, NHS and locum staff on rotation, relocations, insurance placements, people between homes.
That demand is mid-week, long, booked by a company rather than the guest, and largely indifferent to season. A single four-week booking in November is worth more than a scattering of weekends and costs one changeover instead of eight.
The settings that make it possible
A property configured for peak leisure will not catch this demand even when it exists.
- Longer minimum stays in quiet months, and shorter ones at peak — the opposite of what most calendars do
- Weekly and monthly rates that are genuinely lower per night, because a long stay costs one changeover
- A desk and fast broadband, which is what a working guest filters on
- Listings on channels that reach corporate demand, not only leisure platforms
- Invoicing, because the person booking is usually not the person staying
- Parking, wherever it is achievable
Knowing your own pattern
Every location has a shape, and it is rarely the one an owner assumes. A university city peaks in September and around graduation and empties across the summer vacation — the opposite of a coastal town.
An industrial area follows shutdown and turnaround schedules that are planned rather than seasonal, so its busiest weeks can fall in February. A market town near a major event fills for one week a year and is quiet either side.
Every one of our location pages states the peak and quiet periods for that specific place, because it is the fact that most changes what a property is worth and the one most often generalised.
When the answer is a long let
Sometimes the honest conclusion is that a property has four good months and eight poor ones, and no amount of management fixes that.
Where the low season genuinely cannot cover the fixed costs, a standard tenancy or a long corporate let is the better answer, and we say so. It is not a defeat — a property that only works at peak is a seasonal business, and running it as one deliberately beats running it as a short let and hoping.
The income calculator will tell you when the long let wins on your own figures. It is built to.