Domakihub How to Install a CCTV Camera: A Practical Home Guide
Plan your surveillance layout, run the cables cleanly, and know exactly when to call a licensed electrician.
Reviewed by Domakihub home & decor pros · 2026-06-23 · 5 min read
A well-placed CCTV system deters break-ins, protects holiday rental guests, and gives hotel managers remote peace of mind — all of which matter enormously in Greece's mixed urban-and-tourism landscape. The video above walks you through the full installation sequence; this guide breaks it into clear steps with notes on where Greek regulations and building realities (concrete walls, outdoor heat) change the picture. Mains electrical connections must be handled by a licensed electrician (ηλεκτρολόγος) — everything else is well within a careful DIY approach.
Wired vs Wireless: Which System Suits Your Property?
Wired systems — whether IP/PoE (power-over-Ethernet) or legacy coaxial/AHD — offer the most reliable footage quality and are harder to jam or hack. They suit permanent homes, hotels, and offices where you can run cables inside walls or conduit. The tradeoff is the cable run, which in a concrete Greek building means drilling and chasing channels, so plan carefully before you start.
Wireless (Wi-Fi) cameras are faster to install and ideal for holiday rentals or rented apartments where wall chasing is not permitted. Their weakness is Wi-Fi range and the need for a power socket at each camera. A hybrid approach — wired power, wireless data — is increasingly popular and worth considering for rooftop or pool-area cameras where long cable runs would be costly.
Greek Legal and Privacy Obligations Before You Drill
In Greece, CCTV is regulated by the Hellenic Data Protection Authority (HDPA / ΑΠΔΠΧ). Cameras must cover only your own property — pointing onto a public pavement or a neighbor's entrance requires a formal HDPA notification and, in many cases, prior approval. Prominently displayed signage alerting people that CCTV is in operation is mandatory. Footage must not be retained longer than 15 days for most residential and commercial uses.
For common areas in apartment blocks (πολυκατοικία) or hotels, additional consent and record-keeping obligations apply. Check the HDPA's published guidelines before installation — non-compliance carries fines. A local security integrator can advise if your setup is borderline.
How to Install a CCTV Camera System: 5 Steps
- 1
Map Camera Positions and Cable Routes
Walk every entry point — doors, gates, garage, pool area, and car park — and mark where each camera needs to go. For each position, trace the cable route back to the recorder (DVR/NVR) location, keeping runs inside walls or under eaves where possible. In a typical Greek concrete house, account for drilling through 20–30 cm walls; a rotary hammer and 16 mm masonry bit are essential. Measure total cable lengths now so you order with 10–15% extra.
- 2
Mount the Cameras and Run the Cables
Drill pilot holes and fix camera mounting brackets with rawl plugs rated for concrete — standard plastic plugs strip out of Greek lightweight block. Route cables through conduit or cable trunking on external surfaces to protect against UV and heat (summer temperatures in Greece regularly exceed 38°C). For PoE IP systems a single Cat6 cable carries both data and power; for coaxial AHD systems run a separate RG59 coax plus a DC power cable, or use a pre-made siamese cable to simplify the run.
- 3
Connect Cameras to the DVR or NVR
At the recorder end, terminate coaxial cables with BNC connectors (a crimp tool gives far more reliable results than push-fit connectors in a hot environment) and connect DC power to the splitter block. For IP/PoE, simply plug each Cat6 run into the NVR's PoE switch ports — the recorder powers the cameras automatically. Place the DVR/NVR in a cool, ventilated location away from direct sun; a lockable cabinet is best practice to prevent tampering.
- 4
Connect Mains Power — Use a Licensed Electrician
The DVR/NVR and any power supplies must be connected to a dedicated or protected mains socket. If you need a new socket, a spur from a ring main, or work inside the fuse board, this must be done by a licensed electrician (αδειούχος ηλεκτρολόγος) — it is both a legal requirement under Greek electrical regulations and a condition of most property insurance policies. An electrician can also fit a UPS (uninterruptible power supply) so the system keeps recording during the brief power cuts common in rural areas.
- 5
Configure Recording, Motion Detection, and Remote Viewing
Power everything on and access the DVR/NVR menu to name each camera by location, set the recording schedule (continuous overnight, motion-triggered during the day is a common balance), and configure motion detection zones to exclude swaying trees or a busy road. Enable remote viewing via the manufacturer's app — most modern recorders support P2P cloud access. Set a strong unique password immediately; default credentials are the most common point of compromise on home CCTV systems. Test night-vision range after dark and adjust camera angles before sealing cable entry points with outdoor silicone.
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FAQ
- Can I install CCTV myself in Greece, or do I need a certified installer?
- Mounting cameras, running cables, and configuring the recorder are all tasks a competent DIYer can handle. The one part that legally requires a licensed electrician is any new mains wiring — adding sockets, connecting to the fuse board, or installing a UPS. Hotels and businesses that store footage are also subject to stricter HDPA record-keeping requirements, and in those cases engaging a certified security integrator who can provide a compliance document is strongly advisable.
- How many cameras do I need for a typical Greek holiday villa?
- A four-bedroom villa with a pool typically needs six to eight cameras: one at the main gate, one above each external door (usually two to three), one covering the pool/terrace area, one on the car park, and optionally one on the driveway approach. Do not place cameras inside the property or in any private space used by guests — this is illegal and constitutes a serious HDPA violation.
- What happens to footage in Greece — how long can I keep it?
- The HDPA's standard retention limit is 15 days for most residential, rental, and retail CCTV footage. After 15 days it should be automatically overwritten. If you have a specific security justification (e.g. a recent incident), you may retain targeted footage for up to 30 days but must document the reason. Hotels with more complex setups should review the HDPA's sector-specific guidance published on their website (dpa.gr).