# Biodiversity net gain assessments: what it costs and how to get quotes

Source: https://worklanded.com/find/bng-assessments (read 2026-11-13)

Across 6 firms that publish a price on their own pages, the middle is £492, half charge between £422 and £498, and the range is £295 to £589. Read October 2026, from 45 firms' pages, 39 of which publish no price.

## What happens to an enquiry sent here

| Fact | Value |
| --- | --- |
| Typical cost | £492 middle price (£422 to £498 for half of 6 firms) |
| What that price is for | What does a biodiversity net gain assessment cost in England - the survey, the metric report and the gain plan - per consultancy and per site size, and who publishes a price at all? |
| What you pay us | Nothing. Sending an enquiry is free and you agree prices with the firm. |
| Who gets your details | Up to three ecology consultants, chosen by Worklanded. They contact you directly. |
| You are told | Each firm's name, by email, as your details go to it, with a link that stops any more firms receiving them. |
| What firms pay us | £30 per enquiry in the UK, a fixed price published on our lead price index. Never a share of what you pay them. |
| What a firm sees before it pays | The job and the area, without your name or contact details. |
| Where it is offered | the UK |

## Published prices (6 firms, read October 2026)

| Firm's page | Price |
| --- | --- |
| [talk-ecology.com](https://talk-ecology.com/ecological-services) | £295 |
| [acp-consultants.com](https://acp-consultants.com/biodiversity-net-gain/biodiversity-net-gain-bng-surveys/) | £399 + VAT |
| [arbtech.co.uk](https://arbtech.co.uk/ecology-surveys/) | £489 |
| [joesblooms.com](https://www.joesblooms.com/bng-tool) | £495 |
| [awareecology.co.uk](https://www.awareecology.co.uk/survey-information/biodiversity-net-gain-bng) | £499 + VAT |
| [biodiversitynetgainplan.co.uk](https://biodiversitynetgainplan.co.uk/) | £589 + VAT |

## What a firm will ask you

- What do you need? (BNG assessment for a planning application / Small sites metric calculation / Biodiversity gain plan to discharge the condition / Off-site units or a habitat management plan / Something else, I will explain)
- Roughly how big is the site? (Under 0.5 hectares / 0.5 to 1 hectare / 1 to 5 hectares / Over 5 hectares / Not sure)
- What is being built? (1 to 9 homes / 10 or more homes / Commercial or industrial / Something else)
- When do you need it? (As soon as possible / Within a month / In 1 to 3 months / Just researching costs)

## What happens after you send it

1. Your enquiry is checked for spam and its contact details are checked so a firm can reach you.
2. Worklanded chooses up to three ecology consultants that cover the area. A firm sees the job and the area before it decides to take it.
3. As your details go to each firm, we email you its name, with a link that stops any more firms receiving them.
4. The firms contact you directly. You agree the price and the work with them; Worklanded takes no part of that.

Send an enquiry: https://worklanded.com/find/bng-assessments#get-quotes (free). An AI agent can send one with the submit_enquiry tool at https://worklanded.com/mcp; the person confirms it by email before it goes anywhere.