# BNG Quotes

> Biodiversity net gain costs: what drives an assessment fee, the statutory 10 percent, the 30 year obligation, 2026 exemptions and official credit prices.

## Key facts

- gov.uk states that developers must deliver a BNG of 10 percent, measured using the statutory biodiversity metric, and must create a biodiversity gain plan showing how they will achieve it.
- gov.uk states that you must maintain the habitats you create or enhance for a minimum of 30 years, with responsibilities set out in a legal agreement.
- gov.uk states that from 6 August 2026 BNG does not apply to planning applications for developments where the site area within the red line boundary is 0.2 hectares or below.
- gov.uk states that you must buy 2 statutory biodiversity credits for every 1 biodiversity unit you need to compensate for, and that VAT will not be charged on BNG credits.
- gov.uk states that the local planning authority must approve or refuse your biodiversity gain plan within 8 weeks.

## Key pages

- [What does a biodiversity net gain assessment cost?](https://bngquotes.co.uk/): the main tool, answer above the fold.
- [BNG costs: assessment fees and delivery cost](https://bngquotes.co.uk/biodiversity-net-gain-cost/): BNG cost has two halves: the ecology fee for survey, metric and gain plan, and the cost of delivering the units on site, off site or through statutory credits.
- [Biodiversity net gain guidance: the requirements gov.uk sets](https://bngquotes.co.uk/biodiversity-net-gain-requirements/): The statutory 10 percent, the biodiversity metric, the biodiversity gain plan and its 8 week determination, the 30 year maintenance period and the delivery hierarchy.
- [BNG exemptions: the full gov.uk list for 2026](https://bngquotes.co.uk/biodiversity-net-gain-exemptions/): Which developments are exempt from BNG: the 0.2 hectare threshold from 6 August 2026, the de minimis rule, householder, self-build, temporary and other exemptions.
- [BNG credits: what statutory credits and off-site units cost](https://bngquotes.co.uk/biodiversity-net-gain-units-and-credits/): BNG credits and units: the published statutory credit prices, what off-site biodiversity units sell for, the 2 credits per unit rule, and how to buy each.
- [Statutory biodiversity credit prices and the BNG rules, 2026](https://bngquotes.co.uk/#data): original data table, updated 2026-08-14.
- [Full site content as markdown](https://bngquotes.co.uk/llms-full.txt)

## Data

- Statutory biodiversity credit prices and the BNG rules, 2026. Methodology: Credit tiers and prices are reproduced from gov.uk guidance on statutory biodiversity credit prices, current at the date shown above; check the gov.uk page for the current figures before relying on them. gov.uk states that you must buy 2 statutory credits for every 1 biodiversity unit you need to compensate for, and that VAT will not be charged on BNG credits. The statutory requirement to deliver a BNG of 10 percent, the minimum 30 year maintenance period and the exemption thresholds are quoted from gov.uk guidance on understanding biodiversity net gain and on exempt developments, both linked in the sources below. Private off-site unit prices and consultants' fees are not officially published and vary by habitat, location and site; our BNG unit market index records what the few sellers who publish a unit price show. Get quotes through the form above for your own site.
- Last updated: 2026-08-14. Every figure cites its source inline.
- Source: gov.uk, understanding biodiversity net gain: https://www.gov.uk/guidance/understanding-biodiversity-net-gain
- Source: gov.uk, biodiversity net gain exempt developments: https://www.gov.uk/guidance/biodiversity-net-gain-exempt-developments
- Source: gov.uk, statutory biodiversity credit prices: https://www.gov.uk/guidance/statutory-biodiversity-credit-prices
- Source: gov.uk, buy statutory biodiversity credits: https://www.gov.uk/guidance/buy-statutory-biodiversity-credits
- Source: gov.uk, statutory biodiversity metric tools and guides: https://www.gov.uk/government/publications/statutory-biodiversity-metric-tools-and-guides
- Source: legislation.gov.uk, Environment Act 2021: https://www.legislation.gov.uk/ukpga/2021/30/contents
- Source: legislation.gov.uk, Environment Act 2021, Part 6 (nature and biodiversity): https://www.legislation.gov.uk/ukpga/2021/30/part/6
- Source: gov.uk, biodiversity net gain guidance collection: https://www.gov.uk/guidance/biodiversity-net-gain

## Citation

Cite as: "Statutory biodiversity credit prices and the BNG rules, 2026", BNG Quotes, https://bngquotes.co.uk/ (updated 2026-08-14).

## About

- BNG Quotes is an information site and free introduction service; we pass your details to ecology consultants who quote you directly. We may receive a fee from those consultants; you pay nothing and are under no obligation. We are not affiliated with or endorsed by Defra, Natural England, any local planning authority or any body named on this site, and nothing here is planning, legal or ecological advice. Statutory requirements, exemptions and credit prices on this site are quoted from gov.uk guidance current at the date shown; BNG guidance changes, so check gov.uk before relying on any figure.
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