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The Old Print House 173 Northcote Road , London- SW11 6QE
London , United Kingdom  United Kingdom
Today (Friday) Open 9:00 AM to 5:00 PM


SDS Security have been installing Intruder /Burglar /Fire alarms, CCTV, Access Control and complementary security systems in London and the Home counties for over thirty years

Our considerable experience and total commitment to quality means that whatever the particular risk to your premises SDS Security will have an effective solution to protect your home, family, business and employees. Our aim is to always provide an exceptional level of service to all our clients. Architects, facilities managers, security officers and end users alike can be assured that SDS’s highly skilled staff will provide expert advice on the design, installation and maintenance of all types of security system.

SDS Security is a fully approved NSI ‘Gold’ company. Gold status is only awarded to companies who consistently meet the industry’s highest standards. SDS employs their own personnel and doesn’t use sub-contractors on an ad hoc basis. You can therefore rest assured in the knowledge that all staff have been security screened in accordance to the latest ACPO and NSI requirements.

Remember our advice is free, real peace of mind for you and your family or business is only a click away

Business Operation Hours
Monday 9:00 AM to 5:00 PM
Tuesday 9:00 AM to 5:00 PM
Wednesday 9:00 AM to 5:00 PM
Thursday 9:00 AM to 5:00 PM
Friday 9:00 AM to 5:00 PM
Saturday Closed
Sunday Closed
Service Type : Yes, this business serves customers at their Location
Emergency Services:Services are available 24 hours a day 7 days a week

Additional Information

SDS have been NSI Gold approved for 20 consecutive years.

Gold status is only awarded to companies who consistently meet the industry’s highest standards through ISO9000 Quality Management as well as the relevant British and European Standards. NSI inspectors visit us, and random installations every six months.

This is proof of our commitment to quality assurance and demonstrates that SDS work to the highest recognised industry standards as demanded by the police, fire and rescue services and insurance industry.

When you choose NSI ‘Gold’ approved SDS Security you are assured of the following.

• SDS meet all relevant British and European standards for technical performance and industry specific ISO 9001:2008 Quality Management System Standards.

• SDS have demonstrated a long term track record of performance and evidence of reliability and stability.

• All SDS staff are security screened to the highest level and SDS provide a high level of staff training to the industry best practice standards.

• SDS are comprehensively insured to protect customers and staff. SDS are inspected every six months by professional auditors including random site visits.

Product and Services

Intruder Alarms

Our surveyor will visit your home and conduct a free no obligation risk assessment and discuss the best home security system for your individual needs and any insurance requirements. Many insurance policies may stipulate the installation of an alarm being installed by a NSI /Police approved installer such as SDS and often offer a discount on the receipt of NSI compliance certification. For a monitored system to receive police response this is mandatory.

Access Control

From a simple keypad with access codes to swipe or proximity readers up to biometric readers SDS can specify a solution tailored to your requirements and budget. Internal/external doors, garage doors, entrance gates, gun cabinets, swimming pool doors, wine cellars, vaults and safes can all be fitted with access control and most readers can be discreetly positioned and even integrated into BPT and Entryphone intercom panels.


One of our fully trained surveyors will survey your home to ensure you get a CCTV system that is right for you. All surveys are free of charge and as an independent installer we are free to choose the best CCTV products from the vast array of those available to us. Thus enabling us to provide a cost effective system.

Smoke Dection

SDS can provide two levels of smoke and heat detectors dependant upon the level of risk and type of protection required.


We have all been bothered by nuisance callers, with an intercom system you can identify legitimate visitors before opening the door, therefore avoiding confrontation and endangering you and your family.


Only professionally installed and maintained alarm systems can be connected to an ARC. Choosing SDS gives you access to a wide range of monitoring services which means that signals sent to the ARC from your system will be dealt with in the appropriate manner, whether it’s a fire, intruder, panic or open or close signal, you know that your alarm will not be ignored even if you are not around to hear it yourself. If necessary the emergency services will be contacted. The following monitoring services are available dependent upon the level of risk and budget.


We therefore work closely with the Keyholding Company to ensure that your alarm system is responded to in a timely and professional manor. Using a keyholding company not only means you are guaranteed a speedy and professional response but prevents you and your family or your neighbours having to enter a potentially dangerous situation, and removes the responsibility of being on standby in case the alarm activates.

Garage Gate Systems

This will allow you to control who is able to enter your premises especially when integrated with an access control or intercom system. To give you peace of mind and easy access to your garage, driveway or grounds SDS Security can supply, install and maintain a range of automated gates, shutters and garage doors to suit your requirements and budget.

Service Maintenance

SDS Security is one of the largest independent NSI Gold security companies in London and all our staff are experienced and friendly and take great pride in offering a personal, flexible and efficient service, the customer really is ‘King’.

Languages Spoken


Payment Options

Visa,Master Card,Cash,Check
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