Bats and trees: who does what, where?

Bats and their roosts are legally protected, and trees can provide important bat habitat. When working with trees, it’s essential to understand who is responsible for what, and when specialist input is required.

HA Trees And Countryside Or Wildlife 28
HA Trees And Countryside Or Wildlife 28

Bats and trees: who does what, where?

Bats and their roosts are legally protected, and trees can provide important bat habitat. When working with trees, it’s essential to understand who is responsible for what, and when specialist input is required.

More information

Legal context

All bat species and their roosts are protected under UK wildlife legislation. It is an offence to: 

  • Kill or injure bats 
  • Damage or destroy a bat roost 
  • Disturb bats in their roost 

Protection applies whether bats are present at the time or not. 

Who is responsible for what?

Tree owners / clients 

  • Ensure legal compliance 
  • Commission appropriate surveys where required 

Arboricultural contractors 

  • Be alert to potential roost features 
  • Avoid damaging work 
  • Stop work and seek advice if bats are suspected 

Ecologists (licensed) 

  • Carry out bat surveys 
  • Advise on mitigation 
  • Apply for licences where necessary 

When is a bat survey required?

A survey may be needed if: 

  • Trees contain cavities, splits, or loose bark 
  • Work may affect potential roost features 
  • Development is proposed near trees 

Good practice for arborists

Good practice for arborists 

  • Undertake site-specific risk assessments 
  • Record observations 
  • Communicate clearly with clients 

 

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