Security in Larne, from harbour to hillside.

Coast Data Security fits CCTV, electric gates, intruder alarms and access control throughout Larne, working from the harbour front to the farms above Ballyboley and out along the coast road to Glenarm. Every survey is free, with no obligation attached.

At a glance

Harbour and port units

Freight and logistics security

Coastal terraces

Compact systems near the front

Hillside estates

Family homes above the town

Rural coast road

Farms toward Glenarm and Ballyboley

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CCTV Installation

HD & 4K camera systems with night vision, remote app viewing, and intelligent motion detection. Monitor your property from anywhere in the world.

See everything. Miss nothing.

WiFi Installation

Enterprise-grade wireless networks for homes and businesses. Thorough site surveys, professional installation, and complete coverage guaranteed.

No dead zones. Ever.

Gate Automation

Automated sliding and swing gates with remote control, intercom integration, and smartphone access. Security meets convenience.

Smart access. Total control.

Site Security

Rapidly deployable CCTV towers, solar-powered options, and temporary alarm systems designed for construction environments.

Protect your investment.

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Trusted Equipment Brands

What We Do

Our services in Larne

Coast Data Security installs CCTV, WiFi networks, electric gates and construction site security across Larne and the rest of Mid and East Antrim. Pick a service for the local detail, or call 028 4344 1141 for a free, no-obligation survey.

Security installation in Larne, in short

In Larne, Coast Data Security handles CCTV, electric gates, intruder alarms and access control for the harbour, the town centre and the hillside estates above it, right out to the farms along the Antrim coast road. Equipment is chosen to cope with salt air, surveys cost nothing, and every camera or alarm can be checked from your phone.

Larne's property mix

From the harbour front to the hillside estates.

Larne grew up around its harbour, and the port still shapes the town. P&O Ferries run from Larne to Cairnryan, and the freight yards, warehouses and haulage units around the harbour and out toward Inver need cameras and access control that keep working through salt spray and driving rain off the lough. In the streets nearest the front, older terraces sit close to the road, so a compact camera position and a discreet alarm panel usually matter more than a large system.

Above the town centre, later estates climb the hillside, mostly semi-detached and terraced family homes with small gardens and on-street parking, where a wireless alarm and a doorbell camera cover most of what people ask for. Out along the coast road toward Glenarm and Carnlough, the properties are farms and detached houses strung along the A2, often with a long entrance and no power at the gate, which is where a solar-powered gate motor or a battery-backed alarm panel earns its keep.

  • Marine-grade fixings and sealed camera housings for harbour and coastal sites
  • Solar-powered gate kits for entrances along the coast road with no mains supply
  • Compact camera positions for terraced streets near the town centre
  • Wireless alarms for hillside estates where cabling through several rooms is impractical

Getting to Larne

The roads, the council and the coast we work on.

Larne sits at the northern end of the A8 dual carriageway from Belfast and at the start of the Antrim Coast Road, the A2 that carries the Causeway Coastal Route north through Glenarm and Carnlough. Planning here falls to Mid and East Antrim Borough Council, the authority that also covers Ballymena and Carrickfergus, and policing is organised under PSNI's Mid and East Antrim district. A new gate or high fence close to the road can need planning approval, so we flag that at the survey rather than after the posts go in.

Most of our call-outs in Larne fall into three groups. Harbour and freight businesses usually want CCTV that covers a yard or a loading area and access control that logs who came and went out of hours. Homeowners on the hillside estates mostly want an alarm and a video doorbell they can check from their phone. Further out along the coast, farms and detached houses want an electric gate at the entrance, run from solar power where the lane is long and there is no supply nearby.

Fully Insured

Comprehensive public liability insurance on every job we do.

Insurance Approved

Systems that meet insurer requirements, potentially reducing premiums.

Expert Installation

Clean, professional work with full system configuration included.

Free Site Surveys

No-obligation quotes with detailed recommendations for your property.

Same-Day Response

Fast turnaround from enquiry to installation, minimising disruption.

Aftercare Support

Ongoing maintenance, upgrades, and responsive technical support.

Why us in Larne

A security installer that already knows Larne's coast and its harbour.

In Larne, Coast Data Security Ltd handles CCTV, intruder alarms, access control and electric gates for the harbour, the hillside estates and the farms along the coast, rather than treating the town as an afterthought on a wider patch. Every installer is fully qualified and carries comprehensive public liability insurance, and we specify equipment with the salt air and coastal weather in mind rather than fitting standard inland kit. A free survey and a full handover come with every job.

How it works in Larne

From your call to a working system

  1. 1

    Free survey at your property

    We come out to Larne, look at the harbour, coastal or hillside conditions at your property, and talk through what you actually need before recommending anything.

  2. 2

    Written quote

    You get a clear recommendation and a written price for the CCTV, alarm, gate or access control system that suits your property, with no obligation to go ahead.

  3. 3

    Equipment chosen for the coast

    Where salt air and weather are a factor, we specify sealed housings and marine-grade fixings, and on exposed coast road entrances, solar power instead of a long cable run.

  4. 4

    Installation and testing

    Cameras, alarms, gates or access control are fitted, wired or paired, and tested on site so everything works properly before we leave.

  5. 5

    Handover and aftercare

    We show you the app, the fobs or the keypad, leave the paperwork, and stay available if the system needs adjusting as conditions change.

Testimonials

Rated 5.0 on Google

“Excellent service from start to finish. Professional, tidy work and the picture quality is outstanding. Highly recommend to anyone looking for a reliable security installer.”

Satisfied Customer

Google Review

“Brilliant job on our business premises. Marijus was very knowledgeable and helped us choose the right system for our needs. Great value for money and fantastic aftercare support.”

Local Business Owner

Google Review

Larne security questions, answered.

What people ask us before booking a survey in Larne.

How much does CCTV or alarm installation cost in Larne?

It depends on the property, the equipment and how many points need covering, which is why we survey free of charge first. You get a written, itemised quote with no obligation to go ahead.

Do you cover harbour and port businesses as well as houses?

Yes. We fit CCTV and access control for freight yards, warehouses and business units around Larne Harbour as well as home systems in the town centre and hillside estates.

Will cameras hold up against salt air off the lough?

Yes. For coastal Larne we specify sealed, corrosion-resistant camera housings and marine-grade fixings rather than standard inland kit, so the system keeps working through wind and salt spray.

Is there power at my gate on the coast road?

Often not. Many entrances out toward Glenarm and Ballyboley have no mains supply at the gate, so we can run an armoured cable or fit a solar kit with a battery instead.

Do I need planning permission for a gate or high fence in Larne?

Not for the automation itself, but the gate or fence can be a different matter if it stands over one metre high beside a road, or over two metres elsewhere. We point this out at the survey so you have time to check with the council.

Are your installers qualified and insured?

Yes. All our installers are fully qualified and carry comprehensive public liability insurance, and every job in Larne ends with a walk-through of the finished system.

Can you add to a system someone else fitted?

Usually, yes. We can extend, service or upgrade an existing CCTV, alarm or gate system in Larne, and tell you honestly if something needs replacing rather than added to.

How long does installation take?

A house alarm or a small CCTV system is typically a day on site. Electric gates with groundworks and a power run take longer and are scheduled around that work, with a realistic timeframe given at quote stage.

Do you work in the hillside estates as well as the town centre?

Yes, we cover the whole of Larne, from the streets near the harbour to the estates above the town and the farms out along the coast road.

Can I view my cameras or arm my alarm from my phone?

Yes. Our CCTV and alarm systems come with app control, so you can view cameras, arm or disarm the alarm and get alerts wherever you are.

What areas around Larne do you cover?

We install throughout Larne, including the harbour, the town centre, the hillside estates and out along the coast toward Glenarm, Carnlough and inland toward Ballyboley.

Get In Touch

Start your free quote

Tell us what you need. We respond within 24 hours.

Contact Details

Phone

02843441141

Email

more@marioithelp.com

Address

11 Burrenreagh Road, Castlewellan, BT31 9HH

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