Security in Newcastle, under Slieve Donard.

Based a short drive away in our Castlewellan base, Coast Data Security fits CCTV, electric gates, intruder alarms and access control across Newcastle, County Down, from the promenade and holiday lets to the streets below Slieve Donard. Surveys are free and carry no obligation.

At a glance

Seafront promenade

Guesthouses and holiday lets

Mourne foothill homes

Below Slieve Donard

Static caravan parks

Seasonal site security

Town centre premises

Shops and short-term lets

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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 Newcastle

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

Security installation in Newcastle, in short

Newcastle sits a short drive from our Castlewellan base, and Coast Data Security covers the promenade, the holiday lets, the town centre and the homes below the Mournes with CCTV, electric gates, intruder alarms and access control. Remote app access matters here more than most towns, since many properties are managed from a distance between bookings.

Newcastle's property mix

From the promenade to the foot of the Mournes.

Newcastle's economy runs on tourism, and a good share of the properties along the promenade and the streets just behind it are guesthouses, self-catering apartments and holiday lets rather than permanent homes. That changes what people need: an owner who is not on site for weeks at a time wants a camera and an alarm they can check from a phone anywhere, with alerts if something is not right, rather than a system that only matters when someone is home to hear it.

Behind the front, residential streets rise toward Slieve Donard and Tollymore Forest Park, with a mix of older cottages and later housing that generally suits a straightforward wireless alarm and a doorbell camera. Toward Dundrum Bay and the static caravan parks that line the coast on both sides of the town, security is more seasonal, with cameras and alarms that need to keep working through a quiet winter as well as a busy summer.

Getting to Newcastle

Just down the road from our own base.

Newcastle is one of the closest towns to our own base in our Castlewellan base, a short run along the A50, which means survey visits and call-backs here are quick to arrange. Newry, Mourne and Down District Council handles planning for the area, including the older buildings along the promenade, some of which sit within a conservation area where alterations to the front of a property need more care than a standard house. Landmarks such as Royal County Down Golf Club, Tollymore Forest Park and the Murlough dunes bring visitors through the town for most of the year, which is part of why holiday let security is such a regular job for us here.

Guesthouse and holiday let owners mostly want CCTV covering the entrance and the car park, plus an alarm and a smart lock they can manage remotely between bookings. Homes below the mountain usually want a standard alarm and camera setup. Caravan park operators tend to want CCTV covering the site as a whole, particularly over the winter months when the park is quieter.

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 Newcastle

A security installer based just up the road.

Being based nearby in our Castlewellan base puts Newcastle closer to us than any other town we cover, and Coast Data Security Ltd fits CCTV, intruder alarms, access control and electric gates across the promenade, the holiday lets and the streets below Slieve Donard. Every installer is fully qualified and carries comprehensive public liability insurance, and running all four systems ourselves means a holiday let owner can manage a camera, a smart lock and an alarm from a single app. The survey is free and comes with a full walk-through.

How it works in Newcastle

From enquiry to a finished job

  1. 1

    Free survey, close to home

    Being based nearby in our Castlewellan base, we can usually get out to Newcastle quickly to look at the property and talk through what you actually need.

  2. 2

    Written quote

    You receive a clear, fixed-price recommendation for the cameras, alarm, access control or gate involved, with no pressure to book anything before you have had time to think it over.

  3. 3

    Design for the property

    For holiday lets and guesthouses we plan remote access and alerts as standard, and for homes and caravan parks we agree camera positions and cable routes.

  4. 4

    Installation and testing

    Cameras, alarms, locks or access control are fitted and connected, and the app is set up and tested with you before we leave.

  5. 5

    Handover and aftercare

    We walk you through the app, any smart locks and the controls, hand over the paperwork, and stay available afterwards for servicing or seasonal changes.

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

Newcastle security questions, answered.

What people ask us before booking a survey in Newcastle.

How much does CCTV or alarm installation cost in Newcastle?

Every job is priced individually after a free survey, since the property, the equipment and whether it is a home or a holiday let all affect the cost. The quote is written and itemised.

Can you install CCTV and an alarm in a holiday let I don't live in full time?

Yes, this is a regular job for us. We set up remote app access and alerts as standard, so you can check the property and know if something needs attention between bookings.

Do you cover guesthouses and self-catering properties as well as homes?

Yes. We install CCTV, alarms, smart locks and access control for guesthouses and self-catering lets around Newcastle, as well as standard home systems.

Do I need planning permission for a gate or alteration near the promenade?

Some buildings along the Newcastle promenade sit within a conservation area, where changes to the front of a property need more care. We flag this at the survey so you can check with Newry, Mourne and Down District Council.

How quickly can you get out to Newcastle?

Being based nearby in our Castlewellan base, Newcastle is one of the closest towns to us, so surveys and call-backs here are usually quicker to arrange than in towns further away.

Are your installers qualified and insured?

Yes, and it matters particularly for holiday lets and guesthouses. Our installers are fully qualified and carry comprehensive public liability insurance, with a full walk-through on every Newcastle job.

Can you service or extend a system someone else fitted?

Yes, this comes up often with holiday lets that changed hands. We service, extend or upgrade existing CCTV, alarm and access systems in Newcastle, and advise honestly if replacement is the better route.

How long does installation take?

A house alarm or CCTV system is typically finished in a day. A gate involving groundworks and a power supply takes longer, and we set a realistic timeframe when we quote.

Do you cover the caravan parks around Newcastle?

Yes, we fit CCTV covering the site as a whole for static caravan parks near Dundrum Bay and on both sides of the town, including through the quieter winter months.

Can I check my cameras or 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, which suits holiday let owners particularly well.

What areas around Newcastle do you cover?

We cover the whole of Newcastle, including the promenade, the town centre, the streets below Slieve Donard and the caravan parks toward Dundrum, alongside our own base in nearby County Down.

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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