What the 2027 Landline Switch-Off Will Cost UK Facilities Teams

It is six o'clock on a Friday and water is coming through the ceiling of a third-floor office. The tenant does not open an app or fill in a form. They pick up the phone. What happens over the next hour determines how much damage the leak does, how quickly an engineer reaches site, and whether anyone can later prove when the fault was first reported.

That chain of events is usually discussed as an operational problem. It is also a budgeting problem, and an increasingly pressing one. The analogue telephone network that many facilities helpdesks, lift phones and alarm panels still depend on is being retired, and the replacement arrangements carry costs that sit in several different lines of a small firm's accounts at once. Call handling moves onto internet-based telephony, while the job record itself usually lives in a ticketing platform, typically a CAFM system, which logs the fault against a building and an asset and tracks it through to completion.

For a facilities management business turning over a few hundred thousand pounds a year, the question is not whether the technology works. It is how much the transition costs, when the money leaves the bank, and what, if anything, can be relieved against tax.

The deadline that turns a phone bill into a capital decision

Openreach is withdrawing the public switched telephone network, with the industry working to a stop-sell and migration timetable that now points to the end of January 2027 for the final switch-off. Dates in this programme have moved before, so it is worth checking the current position with your provider rather than relying on a figure quoted in an article. The direction of travel, though, has not changed. Analogue voice services are going, and anything plugged into an analogue line needs a plan.

In facilities management, that list is longer than most firms expect. Alongside the helpdesk number sit lift emergency telephones, intruder and fire alarm signalling paths, door entry panels, care alarms in residential schemes and the occasional fax machine still used by a stubborn supplier. Public sector bodies have been circulating practical migration notes on this for some time, and guidance issued to schools in Oxfordshire gives a reasonable sense of the audit work involved: identify every line, establish what is connected to it, and confirm with the equipment supplier whether the device will function over a digital connection.

Each of those items is a potential cost, and they rarely arrive in one neat invoice. A lift phone may need a GSM dialler. An alarm panel may need a dual path signalling unit. Neither of those is a telephony decision in the ordinary sense, but both land in the same budget cycle.

Building the cost picture before you build the system

The useful exercise is to separate what you buy once from what you commit to paying every month, because the two behave very differently in a cashflow forecast and are often treated differently for tax.

Most firms find the recurring column grows and the one-off column shrinks compared with the old arrangement. That is a genuine shift in the shape of the cost base rather than a simple price comparison, and it deserves to be modelled over three years rather than judged on a single quote.

Where the tax rules sit, and where they do not

Hardware and software are not treated the same way, which matters more than it sounds.

Physical kit bought outright, including handsets, switches and in many cases the signalling units fitted to lifts and alarms, is usually plant and machinery. Companies within the charge to corporation tax may be able to claim a 100 per cent first year deduction on qualifying new and unused assets, a regime that was made a permanent feature of the capital allowances landscape rather than a temporary stimulus. Unincorporated businesses do not have access to that particular relief, although the annual investment allowance covers most smaller purchases and extends to second-hand equipment.

Software is messier. A monthly subscription to a hosted phone platform or a maintenance ticketing system is generally a revenue cost and goes through the profit and loss account as incurred. Where a firm pays for substantial configuration, data migration or bespoke development, the position becomes a judgement call about whether an asset has been created.

VAT adds a third layer. Cloud telephony and hosted facilities software supplied by a UK provider carry VAT at the standard rate, and a registered business making taxable supplies will normally recover it in the ordinary way, though the treatment of digital and subscription services becomes more involved when the supplier is based overseas and the reverse charge applies. Mobile telephony is the classic trap, because out-of-hours rotas mean personal use creeps in. HMRC expects an apportionment where a handset or tariff is used privately, and the practical difficulties of working out the recoverable proportion on mobile bills are well documented. A defensible method applied consistently is better than a round number applied hopefully.

The cashflow argument that rarely makes it into the business case

Most migration proposals are written around call quality and features. The more interesting financial effect sits further down the process, in the gap between work being done and money arriving.

When a call is logged as a job with a site, an asset, a priority and an owner, the record that proves the work happened is created at the moment of the call rather than reconstructed from an engineer's memory a fortnight later. Photographs, time on site and parts used attach to the same record. Billing can then be raised from completed jobs rather than from a monthly scramble through paperwork, and disputed lines can be resolved by reference to the job history instead of being quietly written off.

For a contractor working on reactive schedules of rates, shortening the period between job completion and invoice issue has a direct effect on working capital. Reducing the number of credit notes issued because an engineer's notes were illegible has a quieter but equally real effect on margin. Neither benefit is automatic, and both depend on the discipline of actually logging work at the time rather than at the end of the week, which is usually a management problem rather than a software one.

Call recording plays a similar role in contracts carrying response time penalties. Where a tenant believes a fault was reported on Monday and the contractor's records say Wednesday, a recording settles the point without either side spending days on it. That is a cost avoided rather than revenue earned, but it is the sort of thing that decides whether a contract renews.

What can go wrong, and what to check before signing

Internet telephony depends on two things that analogue lines did not: a working broadband connection and mains power. A power cut that takes out the office router takes out the phones with it. For a helpdesk that exists to handle emergencies, that is not a theoretical concern, and the usual answers are a mobile failover connection, uninterruptible power supplies for critical equipment, and a routing rule that diverts the main number to mobiles when the platform cannot reach the office.

Emergency calling also behaves differently. A digital line is not inherently tied to a physical address, so the location passed to the emergency services depends on the record held by the provider being accurate and up to date. For multi-site facilities businesses with staff moving between buildings, that record needs maintaining. Ofcom has pressed providers to make provision for customers who rely on a landline for emergency access, typically through battery backup, and it is reasonable to ask a prospective supplier directly how they handle power loss and how emergency location data is registered.

The commercial small print deserves the same attention. Contract length, per seat pricing as headcount flexes, the cost of adding call recording storage, what happens to recordings and job history if you leave, and whether your existing numbers can be ported are all points that are far easier to negotiate before signature. Retention periods for recordings also engage data protection obligations, since calls routinely contain personal information about tenants and residents.

The firms that handle this well tend to treat the 2027 deadline as the prompt rather than the project. The phone system is one line in a wider question about how a fault travels from the moment someone picks up the handset to the moment the invoice clears, and that journey is where the money actually sits.