Preliminary Ecological Appraisal (PEA)

For any proposed development, a preliminary ecology appraisal is usually the first ecological requirement set by a planning authority.

Its purpose is to identify all potential ecological receptors of conservation importance – particularly those with legislative implications – and any problems these may pose to the development.

We carry out detailed studies and surveys of the site, including a search of local environmental records data, and interpretation of key habitats from online aerial images.

If you have a project in mind, or want to speak with a member of our team - please get in touch.

Contact our team 0800 157 7707

Our ecologists visit the site to assess its potential for species of conservation importance (in accordance with the JNCC guidance for extended Phase 1 Habitat Survey). This involves the identification of all habitats and ecological features, plus a general search for field signs of legally protected or non-native invasive animal and plant species.

The results are then compiled into a concise report, complete with a map detailing the locations of ecological features.

We carry out all preliminary ecological appraisal work in accordance with the BS 42020:2013 biodiversity code of practice for planning and development.

Take a look at our ecological survey calendar for details of the seasonal restrictions associated with ecological surveys.

Ecological Survey and INNS Calendar

To find out more about our preliminary ecological appraisal (pea) services, contact a member of our team today

0800 157 7707 Get a quote

Take a look at our related services and sectors that we work with


“A big thank you to Alison and the team for a perfect document from which to work.”

Private client

"I have recently employed the services of Maydencroft for both my business activities, quarrying locations and personal projects, and barn conversions. I have found them to be very thorough and professional."

Peter Crate, Managing Director at Franks

Case studies