Dog Security Deterrent Guide¶

Guide to using dogs as a security deterrent for UK homes, covering dog alarm devices, fake guard dog signs, the psychology of canine deterrence, and practical considerations for homeowners.

How Dogs Deter Burglars¶

Research on burglary target selection consistently identifies dogs as one of the strongest deterrents. Interviews with convicted burglars by Cromwell and Olson 2004 found that properties with dogs were actively avoided because of the noise, attention, and risk of being bitten or identified. A barking dog draws attention from neighbours and forces the burglar to work more quickly, increasing the risk of being seen. The deterrent effect applies to both real dogs and convincing substitutes. Even a small dog that barks at unfamiliar sounds provides effective deterrence. The psychology is simple: burglars seek quiet, uninterrupted access and any factor that introduces noise or attention reduces the property's attractiveness.

Canine Security Alternatives¶

For households that cannot own a real dog, several alternatives provide similar visual deterrents. Beware of the Dog signs from Yale and security retailers at 5-10 each. Realistic barking alarm devices use PIR sensors to detect movement and emit recorded barking sounds. The Barking Dog Alarm by SecurityMan costs 30-50 from Amazon UK. Digital dog door signs with motion-activated LED displays showing a guard dog silhouette. Note that fake deterrents alone provide limited protection experienced burglars often recognise patterns of fake devices. Combine fake deterrents with real security measures: visible alarm box, security lighting, and window locks for layered protection. A real dog provides additional benefits including companionship and early fire detection through barking.

Specifications and Comparison¶

Deterrent Type	Effectiveness	Cost	Maintenance
Real dog medium-large	Very high	500-2000/yr	Daily walks, feeding, vet
Real dog small yappy	High	300-1000/yr	Daily walks, feeding, vet
Barking alarm device	Medium	30-50	Battery changes annually
Beware of Dog sign	Low-Medium	5-15	None
Digital dog door sign	Low	15-30	Battery changes

FAQ¶

Are fake guard dog signs effective?: They provide a small deterrent against inexperienced opportunists but experienced burglars can easily spot fake devices. Combine with real security measures for genuine protection.
Does a small dog provide the same deterrent as a large dog?: Research suggests the barking itself is the primary deterrent, not the perceived threat of attack. A small dog that barks at every sound provides similar deterrence to a larger, quieter dog.
Can I get home insurance discount for having a dog?: Very few UK insurers offer specific discounts for dog ownership. However, the security benefit of barking deterrence is an indirect advantage that reduces your overall risk profile. For more information see our Smart Home Security Hub Guide.

Last updated: 2026-05-31.

External Resources¶

For further information consult authority guidelines at the Which?.