
Residential security
Intruder alarms, CCTV and smart door entry for houses and apartments — discreet, tailored and easy to live with.
Protect my homeNova Security Systems designs, installs and monitors intruder alarms, CCTV and fire systems for homes and businesses throughout Greater Manchester, Lancashire and Cheshire.
NSIWhat we install
Every system is designed, installed and commissioned to your individual requirements — for your home or your business — backed by preferred suppliers who use only the best electronics. Tap any system to learn more.
Who we protect

Intruder alarms, CCTV and smart door entry for houses and apartments — discreet, tailored and easy to live with.
Protect my home
Integrated alarms, CCTV, access control and fire systems for offices, retail, industrial and multi-site premises — with monitoring and maintenance to match.
Secure my businessRound-the-clock cover
An alarm is only as good as what happens when it goes off. Our monitoring keeps your system connected to a 24-hour receiving centre, so a genuine activation gets a fast, professional response — day or night, every day of the year.
Dual-path signalling so your alarm stays connected even if one path fails.
Trusted, resilient alarm transmission for higher-risk homes and premises.
Continuous line monitoring with alerts the moment something isn't right.
Scheduled servicing plus fast fixes to keep every system performing.
Why Nova
Based in Salford, we've spent two decades installing, maintaining and monitoring security systems for households and businesses right across Greater Manchester, Lancashire and Cheshire.
Every system is designed around your property and how you use it — we survey first, then recommend.
We work with preferred suppliers so your system is built on reliable, proven hardware.
A genuinely local team means a fast response for installs, maintenance and call-outs.
Design, install, commission, monitor and maintain — one trusted team for the life of your system.
Free, no-obligation
Tell us what you'd like to protect and we'll recommend the right system — then arrange a free survey to confirm your fixed price. No pushy sales, no obligation.
Good to know
Prefer to talk it through? Our team is happy to answer anything, with no obligation.
Yes — we cover Greater Manchester, Lancashire and Cheshire, including Bolton, Bury, Oldham, Warrington, Stockport and across the North West. If you're nearby, just ask.
No. Monitoring is optional. Many customers choose it for the fast, professional response it gives, but we'll talk you through what makes sense for your property.
In many cases, yes. We offer preventative and corrective maintenance and can assess an existing system to see what we can support.
Yes — we're an NSI-approved company, meaning our installation, maintenance and monitoring are independently audited to national industry standards.
It depends on the system and survey, but as a local team we aim to move quickly. Get in touch and we'll book your free survey at a time that suits you.
Get in touch
Call us, or send a quick enquiry and we'll get back to you to arrange a free, no-obligation survey.