GUIDE & CALCULATOR
CCTV Installation Cost UK
Compare Sentinel5 CCTV guide prices for home, business and larger sites. Understand installation costs and use the calculator before booking a free survey.
Read the guideSENTINEL5
A clearer view of CCTV.
Practical guides to CCTV costs, camera quantities, 4K, wired systems and footage storage. Make informed decisions before your installation survey.
PRACTICAL GUIDE
How many CCTV cameras do I need?
Plan CCTV around entrances, routes and useful evidence rather than a fixed camera count. A practical guide for homes, shops and commercial premises.
Read the guidePRACTICAL GUIDE
4K vs 1080p CCTV
Understand when 4K CCTV helps and when lens choice, lighting and camera position matter more. Compare recording detail, bandwidth and storage requirements.
Read the guidePRACTICAL GUIDE
Wired vs wireless CCTV
Compare PoE, WiFi and battery cameras for recording, power and connectivity. Understand installation trade-offs before choosing your CCTV system.
Read the guidePRACTICAL GUIDE
How long should CCTV footage be stored?
Choose a CCTV retention target for your purpose, then size storage around bitrate and camera count. Practical recording checks with links to ICO guidance.
Read the guideGUIDE & CALCULATOR
CCTV Storage Calculator
Estimate CCTV recording storage from cameras, average bitrate, recording activity and retention days. Transparent calculations in decimal GB and TB.
Read the guidePRACTICAL GUIDE
CCTV Camera Offline: Checks Before a Fault Visit
Trace a missing CCTV camera through local live view, power, PoE and cabling. Practical checks before arranging an engineer.
Read the guidePRACTICAL GUIDE
NVR Not Recording: Live View Is Not Enough
Check playback, recording schedules, camera connectivity and disk status when a CCTV recorder shows pictures but saves no footage.
Read the guidePRACTICAL GUIDE
CCTV Hard Drive Failure: Signs & Next Steps
Understand missing recordings, HDD warnings and recorder alarms. Protect needed footage before replacing or initialising CCTV storage.
Read the guidePRACTICAL GUIDE
CCTV App Not Connecting: Local & Remote Checks
Troubleshoot CCTV mobile access after an internet or router change. Separate an app connection fault from a local recording problem.
Read the guidePRACTICAL GUIDE
CCTV Night Vision Problems: Blur, Glare & Darkness
Improve CCTV images after dark by checking reflections, lighting, focus and exposure. Understand why colour cameras still need visible light.
Read the guidePRACTICAL GUIDE
CCTV Time & Date Wrong: Clock, Time Zone & DST
Correct CCTV timestamps carefully. Check recorder and camera time zones, daylight saving and network time without losing track of existing footage.
Read the guidePRACTICAL GUIDE
CCTV Camera Positioning & Coverage
Plan CCTV around detection, observation, recognition and identification. Understand distance, lens choice, mounting angle and lighting before installation.
Read the guideCCTV ADVICE
Tell us what you need from your CCTV.
Describe the property, existing equipment and the outcome you need. We will help you choose the appropriate installation or support work.