Ecological Clerk of Works (ECoW)
Experienced on-site ecologist support for development projects.
An experienced Ecological Clerk of Works (ECoW) provides practical guidance and supports compliance where sensitive habitats or protected species may be affected. With clarity and integrity, our ECoW services help ensure your works proceed responsibly and in line with planning and licensing requirements.
What is an Ecological Clerk of Works (ECoW)?
An Ecological Clerk of Works (ECoW) is a qualified ecologist who provides on-site supervision during construction. ECoW support is typically required where planning conditions, protected species licences or ecological reports specify supervision during sensitive works.
The role involves overseeing activities such as vegetation clearance, site stripping, destructive searches or habitat creation, ensuring works are carried out in line with approved method statements. An ECoW also provides practical advice to contractors and records compliance for planning authorities or licensing bodies where required.
When is an ECoW required?
ECoW supervision is typically required if a development could affect protected species, sensitive habitats or designated sites, ensuring mitigation measures are implemented correctly during construction. Support might be required if:
- A planning condition requires ecological supervision during work.
- Protected species mitigation is being implemented (such as for bats, great crested newts, badgers or hazel dormice).
- Vegetation clearance or groundworks could affect sensitive habitats or species, such as common toads or stag beetles.
- Large or phased developments require ongoing ecological oversight.
Planning ECoW involvement early helps ensure your works can proceed smoothly and in line with your ecological requirements. Supervision usually focuses on key activities rather than a constant on-site presence.
Seasonality
Unlike species surveys, our ECoW service isn’t restricted by seasonality. Instead, it is typically tied to your construction programme and the timing of activities which might affect habitats or protected species.
The timing of supervision will depend on the specific mitigation measures in place, including any seasonal restrictions identified through ecological surveys or licences.
Optimal Survey Season
Sub-Optimal Survey Season
Survey Not Possible
Ecological Clerk of Works
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Ecological Clerk of Works process & services
We deliver ECoW support through a structured, collaborative and clearly defined process, providing clarity for you and your team, and ensuring that ecological measures are correctly met.
01
Contact us
Reach out to our team to discuss your project. We’ll review planning conditions, licences and ecological reports to determine where supervision may be required and what this might look like.
02
Pre-commencement briefings
Before work begins, our team will discuss key ecological constraints and responsibilities with the site team to ensure everyone understands the requirements.
03
Toolbox talks
Our team can provide practical guidance through toolbox talks and review of working methods, helping ensure ecological safeguards are clear and workable.
04
On-site supervision
During sensitive works such as vegetation clearance, groundworks or destructive searches, an experienced ecologist will attend on site to oversee implementation and provide advice.
05
Recording & reporting
We will record site visits and actions to provide clear records demonstrating compliance with planning conditions or licence requirements.
06
Liaison with authorities
Where necessary, our team will maintain communication with the local planning authority or Natural England during works.
01
Contact us
Reach out to our team to discuss your project. We’ll review planning conditions, licences and ecological reports to determine where supervision may be required and what this might look like.
02
Pre-commencement briefings
Before work begins, our team will discuss key ecological constraints and responsibilities with the site team to ensure everyone understands the requirements.
03
Toolbox talks
Our team can provide practical guidance through toolbox talks and review of working methods, helping ensure ecological safeguards are clear and workable.
04
On-site supervision
During sensitive works such as vegetation clearance, groundworks or destructive searches, an experienced ecologist will attend on site to oversee implementation and provide advice.
05
Recording & reporting
We will record site visits and actions to provide clear records demonstrating compliance with planning conditions or licence requirements.
06
Liaison with authorities
Where necessary, our team will maintain communication with the local planning authority or Natural England during works.
Project outcomes for ECoW supervision
Ecological Clerk of Works support helps ensure your ecological requirements are met during construction in a clear and controlled way. Project outcomes are typically:
- Reduced legal and environmental risk, with sensitive works supervised by a qualified ecologist.
- Compliance with planning conditions and licence requirements, demonstrated through clear site oversight.
- Confidence for contractors and project managers, with practical advice available if unexpected situations arise.
- Fewer interruptions to construction programmes, by addressing ecological issues as they occur on your site.
Speak to our team about ECoW support
Having the right ecological support on site can make all the difference if planned works may affect sensitive habitats or protected species.
Our experienced ecologists regularly provide clear, trusted Ecological Clerk of Works support to projects, working closely with contractors and project teams to ensure mitigation measures are delivered correctly. Contact us today to find out more about our services.
Contact details
info@alyneecology.co.ukSpeak to our team about ECoW support
Having the right ecological support on site can make all the difference if planned works may affect sensitive habitats or protected species.
Our experienced ecologists regularly provide clear, trusted Ecological Clerk of Works support to projects, working closely with contractors and project teams to ensure mitigation measures are delivered correctly. Contact us today to find out more about our services.