Can you service an alarm not installed by SatFocus?

Yes. We work on Texecom, Pyronix, Eaton (Scantronic, Menvier), Visonic, Ajax, Risco, Honeywell Galaxy and Orisec systems, whoever installed them. Some panels are locked by the original installer, so we confirm the panel model with you before booking.

Why is my alarm beeping every 30 seconds?

Most likely a low battery warning — either the 12V 7Ah panel standby battery (typically lasts 3-5 years) or a wireless sensor lithium battery. The keypad usually shows a fault code identifying the device.

Same-Day Callouts Across London

Burglar Alarm Servicing & Repair London

Burglar alarm servicing for tamper warnings, low battery, false alarms and app disconnections — we fix them all. Service any major brand, even if we didn’t install it. Clear quotes from £120 + VAT.

Call 020 8422 7918 Request Service Online

3,000+ installations Installing since 2012 Checkatrade member Which? Trusted Trader

Burglar alarm servicing in London at a glance

Our burglar alarm servicing covers Texecom, Pyronix, Eaton, Visonic, Risco, Ajax and most other major brands, even if we did not fit the system. A diagnostic visit or service starts from £120 + VAT, and a system takeover from £180 + VAT. Batteries, parts and repairs are charged separately, and we confirm the cost before any work.

SatFocus is an accredited Ajax Systems partner and a registered installer for Texecom, Pyronix, Eaton, Visonic and Risco alarms. Thinking of replacing an old panel instead? See our burglar alarm upgrade page.

Burglar alarm servicing in London by SatFocus

Why Choose SatFocus

Burglar Alarm Servicing by Local Engineers, Not a Call Centre

Local, fully insured engineers who know your system. You speak to someone who understands alarms, not a script.

★

Checkatrade Member

Rated by our customers on Checkatrade. We work for our reputation, not a faceless brand.

Which? Trusted Trader

Independently vetted by Which? Magazine — held to UK consumer standards.

3K+

3,000+ Installations

Installing and servicing alarms across London and the Home Counties since 2012. Yours won’t be our first.

Recognise the Symptoms?

Common Alarm Faults We Fix

Most alarm problems fall into one of these six categories. We diagnose the cause on-site and fix it the same day where possible.

⚠

Tamper Warnings

“Tamper” or “T” displayed on your keypad. Usually a sensor cover, panel lid, or bell-box switch issue.

🔋

Low Battery Alerts

Beeping every 30s or “low battery” warning. Standby battery typically needs replacement every 3–5 years.

🔔

False Alarms

Activating with no intruder. Often caused by faulty PIRs, insects, draughts, or pet-immunity miscalibration.

📱

App Disconnection

Texecom Connect, Pyronix HomeControl+, Visonic or Risco app showing offline. Usually a communicator, SIM or router issue.

🚨

Sounder & Siren Faults

External siren chirping, strobe stuck on, or no sound on activation. Often a bell-box battery or wiring fault.

📡

Communication Failure

Lost signal to monitoring centre, 4G/IP comms fault, or PSTN dialler offline. We re-test & re-route.

Transparent Service Pricing

Choose Your Service Package

Clear prices, no hidden costs. Prices shown are plus VAT. Same-day callouts available across London & Home Counties.

Diagnostic Visit

From £120 + VAT

On-site fault diagnosis
Reset tamper / low battery alerts
Test all wired & wireless devices

Book Diagnostic

We Service Every Major Alarm Brand

Whether we installed it or not, we’ll service, repair, or upgrade your existing system. We carry parts and engineering software for all the brands below.

Texecom

Premier Elite, Veritas

Pyronix

Enforcer, Euro 46/76

Eaton

Scantronic, Menvier

Visonic

PowerMaster, PowerMax

Ajax

Hub, MotionCam, Fibra

Honeywell

Galaxy, Domonial

Risco

Agility, LightSYS

Don’t see your brand? We also work on Orisec, Yale and older legacy panels. Call us with your panel model and we’ll tell you straight away whether we can help.

Simple & Transparent

How an Alarm Service Visit Works

From your first call to a fully working alarm — most jobs done in a single visit.

Call or Request Online

Tell us your panel make/model and the symptoms. Initial advice is always free.

Same/Next-Day Visit

We schedule an engineer typically within 24 hours. Urgent jobs same-day where possible.

Diagnose & Quote

Engineer identifies the issue on-site and confirms the fix cost before any work.

Fix & Test

Repair completed, system tested, walk-through with you, written service report emailed.

Every Service Visit Includes

Thorough, Tested and Fully Documented

Whether you choose a diagnostic visit or a full annual service, you get the same engineering rigour.

Full system walktest of every wired & wireless device

Battery voltage check on panel + sensors + sirens

Sensor sensitivity calibration (incl. pet-immunity)

Sounder/strobe activation test (with neighbour notification)

Engineer code reset & user code audit

App connectivity test (push notifications, arm/disarm)

Communicator 4G/IP signal strength check

Tamper switch verification on every device

Written service report & completion certificate

Walk-through user re-training (codes, app, arming)

Quote for any recommended replacement parts

Frequently Asked Questions

Burglar Alarm Service FAQs

How much does a burglar alarm service cost in London?

Our pricing starts at £120 + VAT for a Diagnostic Visit. The most popular package is our Service from £120 + VAT, which includes a battery health check, full system walktest, app re-pairing and a written service report. Replacement batteries are charged separately. System Takeovers for legacy or abandoned installs start from £180 + VAT, plus parts. Prices are plus VAT, and we confirm costs before any work.

Can you service an alarm system that wasn’t installed by SatFocus?

Yes, absolutely. Most of our service work is on systems fitted by other companies, often years ago. We work on Texecom, Pyronix, Eaton (Scantronic, Menvier), Visonic, Ajax, Risco, Honeywell Galaxy and Orisec. Some panels are locked by the original installer or tied to a monitoring contract, so tell us your panel make and model when you call and we’ll confirm we can take it over before booking.

How often should a burglar alarm be serviced?

We recommend a service at least once a year, and many home insurers expect it. Systems connected to a monitoring centre usually need two visits a year. Our Service package from £120 + VAT covers an annual visit, and you get a written service report and completion certificate to keep with your insurance documents.

My alarm is beeping every 30 seconds — what’s wrong?

Most likely a low battery warning — either the panel’s 12V 7Ah standby battery (typically lasts 3–5 years) or a wireless sensor’s lithium battery. The keypad will usually display a code or fault number identifying the affected device. Tell us the panel make/model and the displayed code when you call — we’ll often diagnose it remotely and arrive with the right replacement battery.

Can you upgrade my old wired alarm to app control?

In most cases, yes — without replacing the panel. Most Texecom, Pyronix, Eaton, Visonic and Risco panels from the last 10–15 years accept the manufacturer’s own IP or 4G communicator (SmartCom on Texecom). This gives you arm/disarm, event history and notifications from your phone without rewiring the sensors. Priced after a free survey, with a written quote before any work starts. See our Alarm Upgrade page for details.

Do you replace alarm batteries?

Yes. We replace panel standby batteries (12V 7Ah typically), external sounder batteries (some bell boxes have backup batteries), and wireless sensor batteries (lithium AA or CR123A depending on device). Batteries are charged at cost on top of the visit, and we confirm the price before fitting.

What if my alarm panel is too old to repair?

Some panels manufactured before ~2008 (e.g. Scantronic 9651/9751, older Texecom Premier non-Elite, some Aritech CD models) are no longer supported by the manufacturer and parts may be unavailable. In these cases, we’ll quote an upgrade rather than a repair. We can typically reuse your existing wiring, sensors, and sounder, replacing only the panel and keypad — see our alarm upgrade page for what is included. It is priced after a free survey and usually comes in well below the cost of a full new installation.

Do you offer same-day or emergency callouts?

Yes. Same-day callouts are available across London & Home Counties, subject to engineer availability. Emergency response (within 4 hours) is typically £180–£250 + VAT for the visit. For non-emergency jobs, we usually attend within 24–48 hours of your call. Out-of-hours and weekend callouts are quoted on request.

Alarm Playing Up? Let’s Sort It Today.

Call now for a free phone diagnosis. Most jobs booked within 24 hours. Clear prices, no surprises.

Call 020 8422 7918 Email info@satfocussecurity.co.uk

Burglar Alarm Servicing & Repair London

Burglar alarm servicing in London at a glance