For most clients, an ecological survey is a slightly opaque thing that happens on their site while they are somewhere else. It is worth knowing what it involves, because a small amount of preparation makes it faster and the report better.
Before the visit
A background records search is carried out first, and access is agreed — keys, gates, livestock, locked outbuildings, anyone who needs notifying. Where a survey is weather-dependent, dates may be provisional until close to the day.
On site
The walkover is systematic rather than a wander. Habitats are mapped as they are encountered, target notes are taken, boundaries are checked, and buildings and trees are inspected from the ground for features that could support protected species.
Expect the ecologist to want to see the edges: the hedge lines, the ditch, the back of the barn, the bit of rough ground nobody thinks of as part of the site. That is usually where the constraints are.
What helps
- Unimpeded access to the whole site, including outbuildings
- A site plan with the red line boundary marked
- Any existing ecological reports, even old ones
- Notice of hazards — livestock, unstable structures, deep water
- Vegetation left uncut in the weeks before a habitat survey
Afterwards
A report follows, setting out what was found and what it means for the proposal. If something significant turns up on the day, expect to hear about it before the report rather than in it — early warning is worth more than a tidy document.
General guidance only. Ecological requirements depend on the site, the proposal and the local planning authority — for advice on a specific project, get in touch.
