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Installing a burglar alarm is one of those jobs many people put off until something changes, whether that's moving into a new property, upgrading security, or simply wanting a bit more peace of mind.

The good news is that a basic alarm system is often more affordable than people expect. In this guide, we explain typical burglar alarm installation costs in the UK, what affects the price, and how to choose the right system for your home.

How much does a burglar alarm installation cost in the UK?

In the UK, a basic burglar alarm installation typically starts from around £525 for the supply and installation of a standard bell-only wireless system.

That entry-level price usually covers a straightforward installation in a typical home. Costs will rise if you need more sensors, additional security features, or a larger system to cover multiple floors or outbuildings.

The cost estimations in this guide are based on domestic and small commercial projects and do not include any additional work that might be needed for the installation. Large commercial property prices will carry a much larger fee.

Compare burglar alarm installation quotes near you

To understand the typical cost of burglar alarm installation in your area and choose a service that best suits your needs and budget, request quotes from a selection of checked local alarm installers.

Enter your postcode to compare reputable installers who cover your area and get accurate quotes for your property.

Burglar alarm installation costs at a glance

• Basic house alarm installation: from £500–£525 (wired or wireless)

• Smart home alarm system: around £650

• Technician hourly rate: £60-£80 per hour

• Typical installation time: one to two days

• Larger homes or advanced systems will increase the overall cost

Understanding the different types of burglar alarm systems

If you’re researching alarms for the first time, the terminology can feel confusing. Most alarm systems include a central control panel, which manages the sensors and triggers the alarm if a break-in is detected.

These are the main system types people tend to choose from:

Bell-only alarm systems

The most common and usually the most affordable option. When triggered, the alarm sounds loudly to deter intruders and alert neighbours.

Monitored alarm systems

These systems connect to a monitoring service that contacts you — or emergency services — if the alarm is triggered. They often involve ongoing monthly costs.

Smart alarm systems

Modern systems that connect to your phone or smart home setup. They can send alerts, allow remote control, and integrate with other security features.

Budget reality check

For most homeowners, burglar alarm installation falls into a fairly predictable price range, but the final cost depends heavily on how much coverage you need.

A small home with a simple setup will usually stay close to the £525 price point. Larger properties, multiple entry points, or more advanced technology can quickly push costs higher.

That’s why getting a tailored quote is so important. It ensures the system matches your home rather than relying on a one-size-fits-all estimate.

What affects the cost of burglar alarm installation?

Several factors influence how much you’ll pay for a burglar alarm installation:

• Size of the property: the larger your home, the more sensors and equipment you’ll need, which increases both materials and labour costs

• Type of system: more advanced alarm systems with smart features or monitoring services typically cost more to install and maintain

• Wired vs wireless systems: wireless systems are usually quicker to install and involve less disruption. Wired systems can be very reliable but may require additional cabling and labour

• Number of alarm units: additional motion sensors, door contacts, or external alarms will increase the total cost

• Number and type of sensors: most systems use motion sensors, door or window sensors, or a combination of both. Larger homes or properties with multiple entry points will usually need more sensors, increasing the overall cost

• Cabling and installation complexity: wireless systems are usually quicker and easier to install, while wired systems may require more time and labour

• Location in the UK: labour costs vary by region, with higher prices typically seen in cities and the South East

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What’s included in a burglar alarm installation quote?

Most burglar alarm installation quotes will include:

• Supply of the alarm system and components

• Installation and configuration

• Testing and system setup

• Basic user instructions

• Labour costs

For more complex installations, the quote may also include additional equipment or extended setup time.

Additional costs to budget for

The main extras to consider are not small add-ons, but features that change how the system works, for example:

• Monitoring services: monitored alarm systems typically involve ongoing monthly costs

• Additional sensors or devices: extra security coverage (such as external alarms or additional motion detectors) increases the total price

• System upgrades: smart home integration, remote access, or advanced detection features can raise the cost of installation

• Future maintenance: some systems require periodic servicing or battery replacement to keep them operating reliably

How long does burglar alarm installation take?

Most burglar alarm installations take one to two days, depending on the size of the property and complexity of the system.

Smaller homes with simple wireless systems can often be completed more quickly, while larger properties or wired systems may take longer.

If timing matters, for example, before moving into a new home, it’s worth discussing this with your installer early on.

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Burglar alarm cost calculator

To calculate the cost of your burglar alarm installation you need to factor in the number of alarm units you need, the make and model you choose (the more advanced models will cost more), and the amount of labour time involved in the installation.

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Always arrange for a trusted local burglar alarm installer to survey your property, following which, they will recommend the right alarm for your needs and a written quote before you go ahead.

They will provide a supply and installation cost, and highlight any additional costs for any materials to complete the installation sufficiently and to British Standards.

Can you install a burglar alarm yourself?

It is possible to install a burglar alarm yourself if you have experience with home electrics and security systems.

However, many homeowners choose professional installation to ensure the system is configured correctly and working reliably. When it comes to home security, knowing the system has been properly installed can provide valuable peace of mind.

Installing an alarm incorrectly could reduce its effectiveness or lead to false alarms, which can be frustrating and potentially costly.

Tips to keep burglar alarm installation costs down

• Choose a system that matches your property size

• Avoid unnecessary upgrades unless they add real value

• Compare quotes from local installers

• Ask whether wireless systems could reduce installation time

• Plan installation alongside other home improvements where possible

Burglar alarm installation cost checklist

• How large is your property?

• How many entry points need protection?

• Do you want monitoring or a bell-only system?

• Is a wireless system suitable for your home?

• Have you compared quotes from local installers?

When should you speak to a burglar alarm installer?

If you’re moving home, improving security, or simply want reassurance that your property is protected, it’s worth speaking to an installer early on.

A professional assessment can help you understand:

• What type of system suits your home

• How many sensors you need

• How long installation will take

• What the realistic cost will be

Find burglar alarm installers near you

Comparing local installers is the best way to understand the typical cost of burglar alarm installation in your area.

A trusted local burglar alarm installer can assess your property, recommend the right level of protection, and provide a clear quote tailored to your home.

FAQs

How much does a burglar alarm installation cost in the UK?

A basic burglar alarm installation typically starts from around £525 for the supply and installation of a standard bell-only wireless system. Costs increase depending on property size, system type, and number of sensors.

How long does it take to install a burglar alarm?

Most burglar alarm installations take one to two days, depending on the size of the property and complexity of the system.

What is the hourly rate for a burglar alarm installer?

The average hourly rate for a burglar alarm technician is around £60-£80 per hour, depending on experience and location.

Are monitored alarm systems more expensive?

Yes, monitored alarm systems usually involve ongoing monthly costs in addition to the initial cost of installation.

Do burglar alarms affect home insurance?

Many insurers offer discounts for properties with professionally installed alarm systems, although requirements vary by provider.

Can I upgrade my burglar alarm later?

Yes, most modern burglar alarm systems can be expanded with additional sensors or upgraded features if your needs change.

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