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Lightning Protection

General advice
A lightning strike to a church can be devastating.  A large church might expect to be struck by lightning once every 50 years.  It's important to have suitable protection in place and to have it tested every two and a half years in line with the following:

With the continuing risk of metal theft, parishes should monitor the condition of their lightning conductor and associated cabling, and take quick action to repair any damage.

Accredited contractors
Suitable accredited contractors can be identified via the Association of Technical Lightning Access Specialists (ATLAS), formerly known as the National Federation of Master Steeplejacks and Lightning Conductor Engineers.  The ATLAS website allows you to search for accredited contractors by geographical area. Non-ATLAS contractors are also available but you should check with your insurer before appointing any such contractor.

Upgrades to existing lightning protection systems
Contractors sometimes recommend high-specification upgrades to church systems.  These can be expensive and may not be necessary for your particular building. For example, Faraday Cage systems prevent any charge from a lightning strike from entering the interior of the building - these are advisable for buildings with large amounts of  electrical equipment but would not generally be necessary for most churches.  If in doubt, consult your insurer.  You should ask your insurer if the upgrade would:

  • Be proportionate to the risk for your particular building
  • Reduce your insurance premiums!  A reduction may be possible if the upgrade would be simply desirable rather than a requirement of a professional risk assessment.

Surge breakers
If you have CCTV or other high-level circuitry you should consider adding a surge breaker to protect the internal church electrics in the event of a lightning strike - particularly if you have valuable electric equipment in the church.  Again, we woudl suggest that you take advice from your insurer.

Advice from your architect
Parishes should contact their Church Architect for advice on:

  • the lightning protection itself and associated regulations
  • any associated works (e.g. roof structure, fixings or cable runs)
  • suitable contractors.

New systems
A new system for a small or average church will cost in the region of £3K - £4K, and up to £10K for a large building.  PCCs should bear in mind that the east end of the building is vulnerable, not just the tower or spire.  Towers should ideally have more than one down conductor - two are generally recommended.  Different finishes are available to the down conductors to minimise the visual impact.

Authorisation for works
If the works are simple like-for-like replacement (not materially altering the appearance of the building) and under £7,500 (excluding VAT and the cost of scaffolding) then there is no need for a faculty application.  You must seek the permission of the Archdeacon (via e-mail is fine) for any visual change (such as new down conductors or new protection to down conductors) or if the cost is between £2,000 and £7,500

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The DAC Office - The office of the Diocesan Advisory Commitee (DAC) has responsibility for progressing faculty applications and providing policy advice on church building matters.  The answer to most popular enquiries will be available via these web pages but do contact the DAC Office if not.  Where appropriate, the DAC Office can put you in touch with churches who have undertaken similar work to any scheme you might be proposing yourself.