Lightning protection test in Walton-on-Thames
- Legal requirement
- Fixed price
- Recurring
The short answer
Periodic test
- Price from
- £150.00
- Time on site
- 2 to 4 hours
What you get
You receive a comprehensive test report detailing the system's condition, compliance with BS EN 62305, and recommendations for any required maintenance or repairs.
- Typical test: £150 to £500
- Repairs are quoted separately
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When do you need a Lightning protection test?
Safety rules and insurance terms mean most systems need testing every 11 months.
- Book a test if your building is tall or high risk.
- Test your system after any major roof or structural work.
- Check the system if your building is hit by lightning.
- Stay covered by testing regularly to satisfy your building insurance.
- Ensure your block of flats stays safe for all residents.
What happens on the day
An engineer will check all the external parts of your system. As a guide, expect to pay around £150 to £350 for a small block.
- The pro will walk the roof to check all metal tapes.
- They will look for any loose fixings or metal corrosion.
- They will test earth rods located at ground level.
- You do not usually need to turn off your power.
- The engineer will need access to the roof and perimeter.
How to prepare
- Clear access to all ground level earth pits
- Provide roof access via stairs or ladders
- Notify residents that an engineer is on site
- Find your previous test certificates if possible
- Ensure gates and perimeter fences are unlocked
- Check that the roof area is safe to walk
- Keep pets and children away from ground rods
How to improve your result
- Replace any missing or loose masonry fixings
- Keep ground level earth pits clear of dirt
- Upgrade to modern surge protection at the board
- Fix broken metal tapes as soon as possible
- Ask for a full risk assessment for tall buildings
Why it is useful day to day
A working system gives you peace of mind during heavy UK storms.
- Protect your electrical appliances from sudden power surges.
- Prevent fires caused by lightning strikes hitting the roof.
- Keep your building insurance valid and active.
- Avoid expensive structural repairs to the masonry or chimney.
- Ensure the safety of everyone living or working inside.
Why we ask these questions
The main goal is to check that electricity can flow safely into the ground.
- Engineers measure the electrical resistance of your earth rods.
- High resistance means the system might fail during a storm.
- They check that surge protectors are fitted to your fuse board.
- The 11 month cycle tests the system in different weather.
- You will receive a certificate to prove the building is safe.
Frequently asked questions
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