Biodiversity / environmental net gain
Policies & commitments · awarded by Environment Act 2021 · serves: Ecology consultants
- Notices demanding it
- 1,240
- a floor
- Said “must”
- 32
- explicit obligation
- Open right now
- 18
- Value gated
- £27.2bn
- a floor
Published values on the notices that demand it — a floor, not a total.
The demand curve
Notices demanding it per 10,000 published, by year — rate-normalised so corpus growth never masquerades as demand. Complete years only.
The pale bars are 2025 onward. The Procurement Act went live on 24 February 2025 and changed how notices are written, so the step across that date is partly a change in convention and not only a change in demand. We have not measured how much of it is which, so please do not read this as a trend.
The receipts
Notices that demand it, and the sentence each demand was found in. Nothing is counted here without one.
- Canada Farm Meadows Rewettingmandatory
Natural England
This scheme shall contribute to government targets to reduce CO₂ emissions from peat and improve habitat conditions for the biodiversity of this wetland landscape.
- Margam Green Roof Sheltermandatory
Neath Port Talbot County Borough Council
Plant selection is required to be pre-agreed with Biodiversity teams.
Derbyshire County Council
Recent updates have strengthened duties on councils, including an enhanced statutory biodiversity duty under the Natural Environment and Rural Communities Act 2006 (as amended by the Environment Act 2021) and the introduction of mandatory Biodiversity Net Gain.
NHS Shared Business Services Limited
Suppliers must deliver car park solutions that minimise carbon output compared to traditional construction, and where required by the Approved Organisation, incorporate biodiversity enhancements within the local environment.
JNCC SUPPORT CO
This can be existing or newly produced, but must involve some change in the key drivers that affect selected UK Biodiversity Indicators (i.e.
- Collett Park Gatewaymandatory
Shepton Mallet Town Council
The design team should carry out energy modelling and Whole Life Carbon Assessments as necessary and set out to achieve the RIBA 2030 performance targets and 10% net gains in biodiversity as a minimum.
UNITED UTILITIES WATER LIMITED
Purchase of 15.17 biodiversity units, which are required to implement Biodiversity Net Gain (BNG) for the HARP Park and Ride Planning Application.
Brighton and Hove City Council
A Biodiversity strategy is required for planning submission.
- Grass Cutting Contract 2025-30mandatory
Denbighshire County Council
Denbighshire County Council also has a legal duty to maintain and enhance biodiversity where it is within proper exercise of its functions and in doing so must seek to promote the resilience of ecosystems.
NATIONAL GRID ELECTRICITY TRANSMISSION PLC
Within the current regulatory period (T2) Environmental Action Plan, NGET also has a commitment to deliver 10% Net Gain in Environmental Value (Including Biodiversity) on all construction schemes - The Biodiversity element of this commitment (BNG) became mandatory in Feb 2024 for all construction schemes under the Town…
Oldham Council
Biodiversity Net Gain (BNG) became mandatory from 12 February 2024 for major developments.
Three Rivers District Council
All surveys must be compliant with BS 42020: 2013 Biodiversity Code of Practice for Planning and Development.
See it live
18 open tenders demand Biodiversity / environmental net gain right now.
Browse the tenders →Tell us what you already hold and we will show you which of these notices you were already eligible for — and what one more certificate would open.
Get set up free →Method: Every count here is a floor. We match the text of the notice, and a notice description is a summary — most tender packs demand things it never mentions.“Said must” counts only explicit obligation language in the matched sentence itself; anything ambiguous is counted as a mention, never as mandatory. Trend compares rates per 10,000 notices per complete calendar year.