Pentacle Electrical & Security Ltd

Pentacle Electrical & Security Ltd Welcome to Pentacle Electrical and Security Ltd your trusted partner for electrical and security work serving Welwyn Garden City and surrounding areas.

Pentacle Electrical and Security Ltd is a trusted electrician in Welwyn Garden City, providing professional electrical and security services across Hertfordshire. With over 20 years of experience, we specialise in electrical installations, fault finding, consumer unit upgrades, CCTV installation, intruder alarms, fire alarm systems, and access control systems. We work with homeowners, landlords, a

nd businesses, delivering reliable, high-quality workmanship with a strong focus on safety and compliance. If you re looking for a reliable electrician in Welwyn Garden City, Hatfield, Stevenage, St Albans, or surrounding areas, call us today for a free quote.

🚨 🚨 Good morning everyone! When did you last check the age of your alarms? Smoke and carbon monoxide alarms don’t l...
12/05/2026

🚨 🚨

Good morning everyone!

When did you last check the age of your alarms?

Smoke and carbon monoxide alarms don’t last forever — most need replacing after 10 years. Even if they still beep, they may not detect danger as quickly as they should.

Today’s reminder:

✅ Check the date on your alarms
✅ Replace anything 10 years or older
✅ Test each alarm
✅ Keep them clean and dust-free

If you’re unsure, we’re here to help. As a BAFE registered company, we can check your alarms and make sure your property is properly protected.

A simple check today could save lives.

🚨 🚨 Quick question — have you tested your smoke and carbon monoxide alarms this week? It only takes a few seconds to...
05/05/2026

🚨 🚨

Quick question — have you tested your smoke and carbon monoxide alarms this week?

It only takes a few seconds to press the test button, but it ensures your alarms are ready to protect you when it matters most.

Today’s quick check:

✅ Press the test button on all alarms
✅ Make sure they’re loud enough to be heard
✅ Check for any warning beeps
✅ Don’t forget your CO alarm

If something doesn’t seem right, don’t leave it to chance. As a BAFE registered company, we’re here to help with expert advice, servicing, and installation.

Stay safe 🔔

04/05/2026

💨 Extractor Fan Upgrade Complete!

Today saw another extractor fan replacement after being clogged with dirt and debris — massively reducing airflow and eventually failing.

✅ Old fan removed
✅ Ducting cleaned
✅ New fan installed
✅ Proper airflow restored

If your fan isn’t clearing steam properly, it may be time for an upgrade.

📩 Message us today to book an inspection.

Another day, another ⭐⭐⭐⭐⭐ review — and we couldn’t be more grateful! Huge thank you to our amazing customers for your ...
29/04/2026

Another day, another ⭐⭐⭐⭐⭐ review — and we couldn’t be more grateful!

Huge thank you to our amazing customers for your continued support and kind words. It truly means the world to our team and keeps us motivated to deliver the best every single day.

If you’ve worked with us recently, we’d love to hear your feedback too! 💬

🚨 🚨 Do you know where your smoke alarms should be installed? For the best protection you should normally have: ✔️ A...
28/04/2026

🚨 🚨

Do you know where your smoke alarms should be installed?

For the best protection you should normally have:

✔️ A smoke alarm in areas of higher risk
✔️ An alarm in hallways and landings
✔️ A heat alarm in the kitchen
✔️ A carbon monoxide alarm near fuel-burning appliances

Correct placement is just as important as having the alarms themselves.

If you’re unsure whether your home or property has the right coverage, a professional check can give you peace of mind. As a BAFE registered company, we provide trusted advice, installation, and maintenance to ensure your alarms meet the correct standards.

Safety starts with the right protection.

27/04/2026

☀️ Summer is on the way… is your outdoor space ready?

We recently installed 2 brand new outdoor sockets for a local customer – perfect for powering garden tools, lighting, hot tubs, BBQs, and all those summer essentials 🔌🌿

No more running extension leads through windows or doors – enjoy safe, convenient power exactly where you need it.

If you’re planning to make the most of your garden this summer, an outdoor socket is a simple upgrade that makes a big difference.

📩 Message us today for a free quote or to book your installation!

25/04/2026

⚡ EICR Findings & Remedial Work Completed ⚡

Here’s a quick look at some of the issues we recently identified during an Electrical Installation Condition Report (EICR), and how we made things safe and compliant 👇

🔎 Issues Found:
• Hole in the fusebox large enough for a finger to access live parts ⚠️
• Holes and exposed cabling at the boiler fused spur
• Damaged socket with incorrect cable size feeding a light
• Pendant lights with single insulation visible
• Additional hole in the top of the fusebox

🛠️ Remedial Work Carried Out:
• Installed a proper gland to safely seal the fusebox entry point
• Replaced the boiler fused spur and back box, and securely clipped cables to prevent movement
• Replaced the damaged socket and installed a fused spur for correct circuit protection
• Upgraded pendant lights with new fittings to ensure full insulation
• Fitted a blanking plug to seal the top of the fusebox

✅ All issues resolved, leaving the installation safe and up to standard.

If you’re unsure about the condition of your electrics, an EICR is a great place to start. Message us today for advice or bookings.

22/04/2026

✨ Another happy customer! ✨

We recently upgraded these wall lights for a local client, giving their space a fresh, modern look while improving brightness and efficiency 💡

It’s amazing how the right lighting can completely transform an area —cleaner, brighter, and far more inviting.

If your home or business could use a lighting refresh, feel free to get in touch. We’re always happy to help bring your ideas to life!

📩 Message us today for a free quote

🚨 🚨 Good morning! Today’s reminder is simple but important — press the test button on your smoke and carbon monoxide...
21/04/2026

🚨 🚨

Good morning!

Today’s reminder is simple but important — press the test button on your smoke and carbon monoxide alarms. It only takes a few seconds but ensures they’re ready to alert you if there’s danger.

Your quick safety check today:

✅ Press the test button on every alarm
✅ Check you can hear it clearly in other rooms
✅ Make sure batteries aren’t running low
✅ Don’t forget your carbon monoxide alarm too

If an alarm keeps beeping, isn’t working properly, or you’re unsure if you have the right protection, it’s best to get it checked professionally.

As a BAFE registered company, we’re here to help with advice, servicing, and installation to keep your property safe and compliant so drop us a message today for more information 📩

Stay safe everyone 🔔

20/04/2026

Another clean install completed for a local client 🔧

We’ve just finished running and terminating high-quality Cat 6 data cabling, ensuring fast, reliable connectivity throughout the office. Every cable has been fully tested and verified using the Trend VDV II POE Pro, giving complete confidence in performance and compliance.

Neat, efficient, and built to last — exactly how it should be done.

If you’re looking to upgrade your network infrastructure or need a professional installation, drop us a message now.📩

Address

Salisbury Road
Welwyn Garden City
AL73RR

Opening Hours

Monday 6am - 11pm
Tuesday 6am - 11pm
Wednesday 6am - 11pm
Thursday 6am - 11pm
Friday 6am - 11pm
Saturday 6am - 11pm
Sunday 6am - 11pm

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