Why is my commercial office building still empty? The honest answer.

You've done everything right. So why isn't it working?

You've instructed the agents. You've done the photography. The terms are competitive. You've been patient...maybe more patient than you'd like. And still the space sits empty.

The feedback from agents is frustratingly vague. "The market is slow." "Tenants are being cautious." "They went in a different direction."

None of that tells you what to actually fix. And every week the space sits empty is a week of lost rent you can't claw back.

This post is for landlords who are tired of vague feedback and want an honest assessment of what's actually driving vacancy in the current commercial office market, including one factor that catches most landlords completely off-guard.

The market is harder. But it's not the whole story.

Let's acknowledge the obvious first. The commercial office market has genuinely changed. Hybrid working has reduced the amount of space businesses need. Tenants have more options, take longer to decide, and apply a far more rigorous checklist to the buildings they consider.

The market being difficult is real. But it's also being used as a catch-all explanation for vacancies that have more specific, fixable causes. "The market is slow" is true everywhere. It doesn't explain why the building down the road is letting and yours isn't.

So let's look at the actual reasons.

The most common reasons commercial offices stay empty

1. Pricing that hasn't adjusted to the new market reality

Rent expectations set in 2019 don't always hold in 2026. Tenants have negotiating leverage they didn't have five years ago, and buildings priced as if the market hasn't moved will often sit vacant while slightly lower-priced competitors fill up. This is the most obvious factor and the one most frequently adjusted first.

2. A marketing pitch that can't answer basic tenant questions

Modern tenants are self-directed researchers. Before they call your agent, they've already evaluated your building against a mental checklist. If the listing can't answer the questions they care about - square footage per person, EPC rating, parking, amenities, and crucially, connectivity - they may not call at all.

3. The fit-out gap

A blank shell works for some tenants. But the trend toward move-in-ready, fitted spaces has accelerated. Businesses don't want to spend six months fitting out an office before they can use it. Buildings that offer some level of readiness, like plug-in infrastructure, meeting rooms, breakout areas, etc. attract faster decisions.

4. ESG shortfalls

An increasing number of corporate tenants have ESG reporting obligations that make EPC ratings an active filter, not just a nice-to-have. Buildings with poor energy performance ratings are being ruled out before viewings are booked. If your building is below an EPC C, this is worth addressing.

5. The connectivity question - and it's more important than most landlords realise

This is the one that catches landlords out most often. Before a modern business commits to office space, it needs to know it can be operational from day one. That means fast, reliable, pre-installed internet. Not something each tenant arranges themselves, not a question left open, but a concrete answer: "Yes, gigabit fibre is installed and ready."

If your building can't answer that question confidently, a significant number of prospective tenants will quietly cross it off their list. They won't tell your agent. There will be no feedback. They'll just choose a building that already answered the question.

The one factor most landlords have never addressed

Of the five factors above, the first four are well understood. Landlords and agents talk about pricing, fit-out, and ESG regularly. What's less talked about (and what we consistently find at the root of persistent vacancy in otherwise strong buildings) is connectivity.

It's less talked about because until recently it wasn't considered the landlord's responsibility. Tenants have always arranged their own internet. That's just how it worked.

But the market has shifted. Tenants no longer accept "arrange your own connectivity" as a reasonable answer when they're making a significant long-term lease commitment. The ISP lead times (often 12 to 24 weeks) are a deal-breaker for businesses that need to move and trade quickly.

The buildings that are filling fastest right now have made one specific change: they've pre-installed building-grade fibre so that every unit is connected from day one. It removes the objection before it's raised. It gives agents a modern, compelling feature to lead with. And it signals something broader - that this building is managed by someone who understands what modern businesses need.

What should you do about it?

Start by doing an honest audit. Ask your agent: how many times in the last six months has connectivity come up in a viewing, in feedback, or as a reason for a prospect choosing elsewhere? The answer will probably surprise you.

If connectivity is a gap, the fix is faster and cheaper than you might think. Fibre Force pre-installs gigabit connectivity in multi-let commercial office buildings at zero cost to the landlord. The survey is free, the installation is managed, and the result is a building-wide network that's live before any new tenant moves in.

You've already invested in the building. You've already invested in bringing it to market. Addressing connectivity is often the last missing piece that makes everything else work harder.