What does an industrial void period actually cost a fund?
Far more than the missed rent, which is usually the smallest line on the bill, once you add empty rates, service charge, insurance, security, dilapidations, legals and the cap-rate hit. Scayled attacks the largest hidden component, the part that is simply a function of starting the search late, by reading each tenant's business for the signs a handback is coming and holding verified demand against the unit. A void on an industrial asset runs every one of those lines while it sits empty, then drags the valuation by shortening WALE, so cutting its duration is where most of the bill is actually saved rather than in the rent itself.
- Missed rent is the smallest line on the bill
- The carry costs that run the whole time it sits empty
- The transaction and dilapidations costs of recovering and re-letting
- The valuation and cap-rate hit beyond the cash cost
- How much of the total is simply starting late
Missed rent is the smallest line on the bill
When a fund tallies the cost of a void, the rent foregone is the figure that comes first to mind and the one that understates the damage most. The lost rent is real, but it is a single stream against a stack of others that switch on the moment the unit goes dark. Treating the void as just deferred income, rent you will recover once the unit re-lets, misses that much of the cost is incurred whether or not the rent ever returns.
The honest accounting starts from the opposite premise: the rent is the part you might recover, and almost everything else is pure leakage. Once you add up the carry, the recovery costs, and the valuation drag, the missed rent is frequently a minority of the true cost of the void. That is why funds that benchmark voids on rent alone consistently under-price the urgency of filling them.
The carry costs that run the whole time it sits empty
An empty industrial unit is not cost-neutral, it is a liability that bills monthly. Once any rates-free period on the vacancy expires the fund picks up empty rates, which on a large warehouse footprint is a serious line in its own right. Service charge that the tenant used to cover now falls back on the landlord, insurance premiums often rise on an unoccupied building, and a dark big-box needs active security and maintenance to stop it becoming a dilapidation and an insurance problem.
None of these scale down because the unit is empty, several scale up. They run for every month of the void, which is precisely why duration, not the existence of the void, is what determines the bill. A unit that re-lets in three months carries a fraction of the empty-cost stack of the identical unit that takes a year, even before a pound of rent is counted. The carry is the meter that never stops while you search.
The transaction and dilapidations costs of recovering and re-letting
Getting the unit back and getting it re-let is its own cost centre. Dilapidations are routinely disputed, and the gap between the schedule served and the sum recovered is often bridged by the landlord, sometimes alongside the cost of reinstating or refurbishing the unit to a lettable standard before anyone will take it. On a unit handed back tired or stripped, that capital outlay lands before the new income begins.
Then come the costs of the deal itself: agency fees to market and let, legal fees on the new lease, and frequently an incentive package, rent-free or capital contribution, to land a tenant in a soft window. Each is a real outflow attached to the re-letting. Stacked on top of the carry, they mean the all-in cost of a void is materially higher than the empty months alone suggest, and every one of these lines is heavier when the search drags because a stale unit attracts harder negotiation.
The valuation and cap-rate hit beyond the cash cost
The largest cost of a void is often the one that never appears as a cash outflow. A vacant or recently voided unit shortens WALE and reintroduces letting risk, and a valuer prices that, so the void drags the asset's value well beyond the months of lost rent. Industrial traded keenly precisely because of long WALE and secure single-occupier income, and a void erodes exactly the attributes that earned the asset its cap rate in the first place.
Because NOI drives value through the cap rate, a void is not only a cash event in the year it happens, it is a valuation event that can persist into the next review and into a buyer's due diligence. A unit with a fresh letting history and a thin remaining term is marked harder than one with a clean, long income. The cap-rate consequence of a void can quietly exceed the entire visible cash cost, which is why the discipline of avoiding voids is a value exercise, not just a budget one.
How much of the total is simply starting late
Strip the cost back to its driver and a large share of it traces to a single decision: when the search began. The carry, the incentive, the harder dilapidations posture and the WALE drag all scale with how long the unit sits empty, and that duration is mostly set by lead time. A fund that started backfilling before handback carries a short void and a lighter bill across every line, while a fund that waited pays the full stack. Most of the gap between a cheap void and an expensive one is not the market, it is the head start.
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