1. One Hyde Park
One Hyde Park is surely the home to the world’s most expensive homes, which are specifically the four penthouses built in 2010 London development. Each one is listed at $165 million. and one of them is an apartment of Qatar foreign minister Shiekh Hamah. The top-flight units are said to have systems designed by former SAS officers. Security measures also include bulletproof glass windows, panic rooms, and iris recognition scanners. The building also has a full-time security personnel and license plate recognition parking lot.
2. Hala Ranch
Secretary-General of Saudi National Security Prince Bandar bin Sultan’s high-security home in Colorado is valued at $135 million. It is reported that Hala Ranch has a sightline to NORAD (North American Aerospace Defense Command), has a garage filled with armored SUVs, a full time security personnel, and cameras which cover all 95 acres of the property.
High End Security
Home Security System
SAFE systems, a Los Angeles based firm, has been protecting chief executives, celebrities, and political power figures for more than 25 years. To provide top-notch security, they work from the outside to the inside, installing almost every security layer that gets harder to penetrate as you go in.
Doettling Luxury Safes
German-based Doettling Safes specializes in creating luxurious historical safes and strongboxes. The firm’s newest line of modern safes offer antique exteriors,with 24-karat gold leaf, and is priced between $55,000 and $160, 000. The safes are, of course, complete with top-notch security and has fingerprint and retina scanners.
Wireless Home Automation Systems
Lagotek is a Washington-based company that designs wireless home automation systems that give the homeowners complete control over their home’s lighting, temperature, security and surveillance. And when the homeowner isn’t home, the system can still be controlled by Lagotek’s remote touch screen systems (which costs about $10,000-$15,000).
Automated Video Surveillance
Automated Video Systems manufactures and installs professional grade surveillance systems. One of its product highlights is its 16-camera unit (priced at $4,800) that triggers on motion detection and has night vision. The unit has adjustable and zooming lenses, and can be viewed remotely from a personal computer, laptop, or PDA with Internet connectivity.
License Plate Recognition
License plate recognition sofware employs a series of algorithms to turn the video image of a vehicle’s plate into electronic text. This software costs around $1,500 to $3,000. It helps with authenticating the plates based on their anti-fraud features, logs the data into a computer where it is stored in the database.
Monitoring
Home security monitoring is always better for home safety because it employs full-time detailed check on your home. ADT currently has a top of the line system that can do a visual sweep of both exterior and interior of the property using cameras,and give an all-clear before the homeowner even parks his or her car.

SmartWater Home Coding System
SmartWater Technology has already release this invisible marker or solution and is very popular in the UK. Customers paint the clear liquid on their valuables and the solution gives out a glow under ultraviolet light. The solution contains a unique forensic code and can reveal a serial number, engraving, or company logo to be identified. It can also help in lifting prints!
Source: Forbes - High-Security, High End Homes