If you're renting
A self-install smart alarm makes sense for most renters — no long contract tying you to a fixed address, no drilling required for wireless kits, and you take the equipment with you when you move. The trade-off is you won't usually qualify for a landlord's or your own contents insurance discount, since these systems are rarely NSI/SSAIB certified.
If you own your home
Homeowners planning to stay put get more value out of a professionally installed, certified system — particularly if a home insurance discount is part of the calculation. The £150–£800 installation cost and monthly monitoring fee are easier to justify over years rather than months.
Larger or higher-value households
More entry points (multiple doors, ground-floor windows, outbuildings) generally push toward a wired or professionally monitored system with more sensor coverage, rather than a starter smart kit designed for a flat or small terrace.
Quick comparison
| Smart/self-install | Traditional monitored | |
|---|---|---|
| Upfront cost | £190–£400 | £400–£800+ installed |
| Monthly cost | £0–£5 typical | £15–£55 |
| Contract | Usually none | Often 12–36 months |
| Insurance discount eligible | Rarely | Often, if certified |
| Best for | Renters, flats, smaller homes | Owner-occupiers, larger homes |