Intruder Alarm Installation in London

Wired and wireless burglar alarms, designed for your home or business to deter break-ins and alert you to unauthorised entry.

  • Free expert advice and bespoke design
  • Wired and wireless alarms available
  • 1-year onsite warranty and ongoing support
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Intruder alarm keypad installed on a wall

Why Choose 1Security Systems for Your Alarm

Bespoke Design

Every alarm system is designed around your property and requirements.

Trained, Competent Installers

Our fully trained alarm installers make sure your system is fitted properly.

Satisfaction Guaranteed

Your satisfaction is our highest priority, backed by our 100% satisfaction guarantee.

Free Expert Advice

Talk through your property and requirements with us before you commit to anything.

Competitive Prices, No Hidden Costs

Clear quotes that offer good value without compromising on quality.

Price Match Guarantee

Find a genuine lower quotation elsewhere and we will match it, plus an extra 15% discount.

What’s Included

Every intruder alarm is tailored to your property. Typical elements include:

Wired or Wireless Alarms

Choose a wired or wireless alarm system, whichever suits your property best.

Powerful Deterrent

A visible alarm gives potential intruders second thoughts before attempting entry.

Immediate Alerts

Any unauthorised access triggers an immediate alert, enabling a quick response.

Lower Insurance Risk

A well-protected property may help reduce your insurance premiums.

Integrated Security

Alarms can work alongside CCTV and access control for complete protection.

Ongoing Support

Support after sales and a 1-year onsite warranty.

Who We Install For

Homes

Detect unauthorised entry and protect your family and belongings.

Flats & Apartments

A home alarm tailored to the layout of your flat.

Landlords

Help protect rental properties, including when they are empty.

Shops & Retail

Deter break-ins and protect stock out of hours.

Offices

Protect equipment and help keep staff and visitors safe.

Warehouses & Industrial

Detect intruders across larger sites and storage areas.

How It Works

1. Assessment

We look at your property and what you need, then advise on the right alarm system.

2. Design

We design a bespoke, cost-effective system to suit your property and budget.

3. Installation

Our trained engineers install your alarm without compromising the look of your property.

4. Support

Ongoing support after sales, with a 1-year onsite warranty.

Get a Free Intruder Alarm Quote

Call us on 020 3479 4007 - Monday to Friday, 9:00 AM - 10:00 PM.

Call 020 3479 4007Get a Free Quote
If you are happy with our quotation, when can we start the service?

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Intruder Alarm FAQs

Both. We install wired and wireless intruder alarms and will advise on which suits your property.

An alarm acts as a powerful deterrent against break-ins, alerts you immediately to unauthorised access and gives you peace of mind.

It may. Insurers often see well-protected properties as a lower risk, which can lead to reduced premiums. Check with your insurer.

Yes. We install alarms for both homes and commercial premises, tailored to your specific needs.

Yes. Our installations come with a 1-year onsite warranty and ongoing support after sales.

Ready to Protect Your Property?

Call us on 020 3479 4007 - Monday to Friday, 9:00 AM - 10:00 PM.

Call 020 3479 4007Get a Free Quote
If you are happy with our quotation, when can we start the service?

Your Details:

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