The Infrastructure Collapse Nobody’s Talking About
Copper wire has powered UK telecommunications for over a century. It’s embedded in hospitals, schools, emergency services, and the alarm systems clients depend on daily.
But here’s the thing: the Public Switched Telephone Network (PSTN) has become obsolete. Skills and parts are increasingly difficult to source, making maintenance nearly impossible. BT Group confirmed the January 31, 2027 shutdown date, and Openreach has resolved all technical barriers to migration, including protections for vulnerable telecare users.
The clock continues ticking. With less than 11 months remaining, it’s nearly run out.
What “Critical Hardware” Actually Means for Installers
When Openreach warns about “critical hardware,” they’re talking about the bread and butter of alarm installation:
- Fire alarm signalling equipment connected via analogue lines
- Burglar alarm communicators still using PSTN/ISDN
- Payment terminals relying on copper infrastructure
These systems will require assessment, testing, and in many cases, replacement. Clients probably don’t realise their fire alarm services or intruder systems are at risk, but installers do now.
And if they’re with smaller specialist providers who haven’t migrated quickly? The risk multiplies. Equipment failure on aging infrastructure appears inevitable.
The Price Squeeze That Starts in Three Months
Businesses clinging to legacy copper services will face brutal price increases before losing service entirely:
- April 1, 2026: 20% price rise on Wholesale Line Rental (WLR) products
- July 1, 2026: Another 40% increase
- October 1, 2026: Final 40% hike, effectively doubling costs versus 2025 rates
This represents a financial sledgehammer designed to force migration.
James Lilley, Director of All-IP at Openreach, put it bluntly: “The PSTN analogue network is obsolete, becoming harder to maintain and significantly more expensive to run. We are passing those costs on to providers who continue to sell legacy products.”
Translation? Dragging feet costs clients money they don’t need to spend.
Why Some Installers Are Already Ahead
Openreach confirmed that in some cases, All-IP products like SoGEA (Single Order Generic Ethernet Access) are already cheaper than old WLR services, even before the price increases kick in.
Major Communications Providers migrated most of their customer base ages ago. If clients’ providers haven’t been in touch, that signals a red flag. Installers need to ask why on their behalf.
Better yet: proactively move them to secure, IP-based alarm signalling that’s future-proofed against infrastructure changes. The PSTN switch-off creates opportunity for installers who see it coming.
Three Actions Openreach Recommends (That Installers Should Already Be Taking)
- Review connectivity assets: Audit every site. Identify equipment still on PSTN. Don’t assume anything is safe.
- Test equipment compatibility: Openreach offers free testing at their labs to verify All-IP network compatibility. Use it.
- Switch to digital solutions now: Waiting until late 2026 guarantees bottlenecks, price pain, and stressed clients. Move them early.
For installers, this means having conversations today about alarm signalling upgrades, before clients face emergency replacements at premium rates.
The Bigger Picture: Security Can’t Wait for IT Departments
This transition sits awkwardly between IT infrastructure and physical security. IT teams handle broadband; security teams handle alarms. The PSTN shutdown lives in both worlds, and that’s where things fall through the cracks.
Installers are the experts who bridge that gap. Clients trust them to keep premises secure and compliant. When their fire panel stops communicating with the ARC because nobody migrated the signalling path, that becomes a life safety failure rather than an IT problem.
The copper network has been the backbone of UK security infrastructure for decades. Its retirement has been confirmed and remains non-negotiable. What remains negotiable? How smoothly clients transition, and whether installers make it seamless or scramble at the last minute with less than 11 months to go.
Call to Action
The PSTN shutdown deadline approaches fast. Contact AddSecure today to discuss future-proof alarm signalling solutions that keep critical systems connected, without the copper. Our team can help audit existing installations and transition to reliable, IP-based connectivity before the January 2027 deadline.