Cheltenham BNG advice
Biodiversity Net Gain in Cheltenham
Plan your Cheltenham development around local habitats, planning requirements and practical biodiversity gains.
ACP Consultants can help with habitat surveys, biodiversity metric calculations and a practical BNG delivery plan for your Cheltenham site.
Local requirements
Cheltenham BNG requirements at a glance
Establish the planning route before choosing surveys, habitat targets or a delivery strategy.
| Check | Practical answer |
|---|---|
| Planning authority | Cheltenham Borough Council — verify the actual parcel, any special planning jurisdiction and site type |
| Adopted development plan | Gloucester, Cheltenham and Tewkesbury Joint Core Strategy adopted December 2017, plus Cheltenham Plan adopted 20 July 2020 |
| Specific biodiversity policies | SD9 – Biodiversity and Geodiversity (2017 JCS); GI2 – Protection and Replacement of Trees; GI3 – Trees and Development; BG1 – Cotswold Beechwoods SAC recreation |
| Emerging plan status | The three-council Strategic and Local Plan (SLP) is being prepared by Gloucester City, Cheltenham Borough and Tewkesbury Borough. Council updates in October 2026 set a revised timetable including proposed 2026 Regulation 19 consultation and March 2027 submission, but no replacement had been adopted as of 10 November 2026. A Gloucester council consideration scheduled for 10 November 2026 is a future event and must not be pre-empted. The operative 2017 JCS and Cheltenham Plan adopted July 2020 (GI2/GI3/BG1) remain the planning starting points, alongside any saved or made neighbourhood policies. An emerging 20% nature recovery ambition is not automatically binding BNG percentage. |
| LNRS | Gloucestershire Local Nature Recovery Strategy, published 13 February 2026; Gloucestershire County Council |
| Statutory BNG | Normally at least 10% for eligible applications; exemption and application date checks are essential |
| Protected sites | Independent Habitats Regulations or protected-species evidence where a credible impact pathway exists |
Planning authority and policy
Which Cheltenham policies affect this site?
Cheltenham Borough Council determines ordinary borough applications. The 2017 Joint Core Strategy and 2020 Cheltenham Plan remain the adopted starting point. Check SD9, relevant tree policies and BG1, together with the site boundary and any development allocation.
Which council and planning area cover the site?
Cheltenham Borough Council is the normal local planning authority within Cheltenham borough. The wider Gloucester, Cheltenham and Tewkesbury Joint Core Strategy is a shared adopted planning document, not one joint planning authority. Tewkesbury Borough Council determines neighbouring Golden Valley/West Cheltenham parcels if outside Cheltenham's boundary, and Gloucestershire County Council decides qualifying minerals/waste. The Cotswolds National Landscape is a protected landscape, not an extra LPA.
Before commissioning surveys, confirm the adopted policies map, any applicable neighbourhood plan, the planning application type and any important habitats. For regional context, use BNG in South West England.
What does the adopted Cheltenham Local Plan say about biodiversity?
The current adopted planning framework is Gloucester, Cheltenham and Tewkesbury Joint Core Strategy adopted December 2017, plus Cheltenham Plan adopted 20 July 2020. Relevant biodiversity and landscape policy references include SD9 – Biodiversity and Geodiversity (2017 JCS); GI2 – Protection and Replacement of Trees; GI3 – Trees and Development; BG1 – Cotswold Beechwoods SAC recreation.
The adopted 2017 JCS Policy SD9 Biodiversity and Geodiversity supports biodiversity protection and ecological networks in the three-council area. The separately adopted Cheltenham Plan, in force since 20 July 2020, contains GI2 Protection and Replacement of Trees, GI3 Trees and Development, and BG1 on managing Cotswold Beechwoods SAC recreation impacts. These policies matter to both town-centre and edge-of-town development where trees or the HRA zone are relevant. Cheltenham's 2026 planning committee reports cite GI2/GI3, SD9 and BG1 in actual landscape and bird-disturbance planning conditions, demonstrating live application.
They do not prove ACP's involvement or a completed BNG Gain Plan.Apply the national 10% requirement where the proposal is in scope.
How should an applicant apply these policies?
Begin with the adopted Cheltenham Plan 2020 and the 2017 Joint Core Strategy SD9, applying only the policies relevant to the site. The River Chelt and Leckhampton landscape can influence habitat feasibility and separate protected-site screening.
Is Cheltenham's replacement Local Plan already adopted?
The three-council Strategic and Local Plan (SLP) is being prepared by Gloucester City, Cheltenham Borough and Tewkesbury Borough. Council updates in October 2026 set a revised timetable including proposed 2026 Regulation 19 consultation and March 2027 submission, but no replacement had been adopted as of 10 November 2026. The replacement plan remains in preparation. The operative 2017 JCS and Cheltenham Plan adopted July 2020 (GI2/GI3/BG1) remain the planning starting points, alongside any saved or made neighbourhood policies. An emerging 20% nature recovery ambition is not automatically binding BNG percentage.
Does the statutory 10% requirement apply to this site in 2026?
For eligible applications, the national BNG requirement is normally at least 10%. However, not every application is subject to the mandatory biodiversity gain condition.
| Project situation | What must be checked |
|---|---|
| Red-line site 0.2 hectares or less, application from 6 August 2026 | A conditional exemption may apply only when development does not affect an onsite priority habitat. |
| Householder development | The statutory householder exemption may apply, although other ecological duties remain. |
| Very small habitat impact | The de minimis exemption has specific area, length and habitat conditions. Do not assume it covers every small proposal. |
| Self-build or custom-build application from 6 August 2026 | The previous dedicated exemption no longer applies for new applications; another exemption may still be relevant. |
| Wholly temporary qualifying scheme | A conditional exemption can apply to some development lasting five years or less. |
| Older applications, permissions or section 73 changes | Transitional rules and the original application date may alter the answer. |
| Eligible nationally significant infrastructure | A separate NSIP BNG regime began for relevant applications submitted from 2 November 2026. |
For detailed scenarios, use BNG exemptions guide and current GOV.UK exemption conditions.
Nature recovery and local geography
What does the local evidence mean for a design?
Connect the surveyed habitat baseline with the proposed layout and planning documents. Local nature recovery priorities and protected-site evidence also help shape the design.
Which Local Nature Recovery Strategy applies to Cheltenham?
Gloucestershire Local Nature Recovery Strategy is the relevant published strategy. Its responsible authority is Gloucestershire County Council and the recorded publication point is published 13 February 2026.
Gloucestershire County Council's LNRS was published 13 February 2026 following 28 January Cabinet approval, and it records 113 suggested potential measures, a final Local Habitat Map and user guidance for planners/developers. Cheltenham's River Chelt, mature urban tree network, public parks, Cotswold escarpment and grasslands may offer connected nature recovery opportunities where the actual map shows eligible measures. The county prepares the LNRS, but Cheltenham Borough Council determines ordinary local applications. The map is neither a field survey nor proof of habitat-bank registration and does not award automatic 1.15 metric uplift merely from borough location.
How to use the LNRS map without overclaiming
- Identify the red-line boundary and download or view the current local habitat map.
- Find any mapped area or priority relevant to that parcel.
- Identify the particular proposed recovery measure, not just the broad nature theme.
- Test the habitat against the site's baseline, soils, hydrology, management and protected-site constraints.
- Keep a dated record explaining any statutory metric strategic-significance entry.
Official resource: Gloucestershire Local Nature Recovery Strategy. For the technical calculation, see statutory biodiversity metric.
What habitats and landscapes should a Cheltenham BNG survey consider?
Cheltenham includes town-centre development, River Chelt corridors and land near Leckhampton and the Cotswolds edge. The examples below are survey prompts rather than assumptions about a particular project's habitats or protected features.
| Local setting | Potential habitat or evidence issue |
|---|---|
| River Chelt and Hatherley Brook | Watercourse corridors, stream banks, trees and wet grassland; urban culverting, surface water and flood conditions can affect watercourse module and long-term gain delivery. |
| Pittville Park, Benhall and Springfields public grasslands | Cheltenham Council documents meadow/grassland management for birds and pollinators; those are public habitats, not proof a private site contains meadow or saleable BNG units. |
| Leckhampton Hill and Cotswold fringe | Calcareous/limestone grassland, woodland, scrub and hedgerow connections where actual site/SSSI boundary or National Landscape constraints apply. |
| Town-centre and Golden Valley strategic regeneration | Urban trees, brownfield mosaics, proposed biodiversity roofs, SuDS and dark wildlife corridors; authority boundary and actual permissions matter at West Cheltenham. |
Which protected sites or species may create separate duties?
Cotswold Beechwoods Special Area of Conservation has a shared strategic recreation-mitigation strategy for relevant housing in a mapped 15.4km zone of influence. Cheltenham's adopted BG1 and JCS SD9 can require SPA/SAC Habitats Regulations evidence and mitigation, distinct from BNG. Cheltenham approved a 14.68% RPI uplift to strategic mitigation fees on 6 March 2026, effective 1 April 2026; exact property and local legal/admin charges need the current council schedule, not a generic unit price. Leckhampton Hill and Cotswold escarpment grassland/SSSI interests, ancient woodland and river habitat are separate real-site checks. No town-wide nutrient-neutrality tariff was established.
Why the distinction matters
Statutory BNG is a metric and delivery framework. Habitats Regulations Assessment, SSSI considerations and protected-species obligations follow separate legal and ecological tests.
Where an international site may be affected, competent-authority screening or appropriate assessment may be needed. Follow current GOV.UK appropriate assessment guidance, and record exactly what has and has not been assessed.
Local planning context
Cheltenham's Golden Valley: biodiversity design and the difference between a proposal and an approval
Cheltenham's Golden Valley scheme is a useful live planning context because ecological and development design are being considered together. In February 2026, Cheltenham Borough Council reported that Gloucestershire Wildlife Trust had provided comments on the proposed southern phase, discussing a biodiverse green roof, a native-led landscape strategy and SuDS designed as habitat.
The council described reserved-matters applications rather than presenting the scheme as a completed statutory gain plan. Therefore, the presence of an ecologically ambitious design does not prove the project has already delivered BNG units or received every planning discharge. The correct status is a planning proposal/commentary at that date.
For a site near West Cheltenham, first confirm the real Cheltenham/Tewkesbury boundary, adopted JCS and local plan policy, existing woodland and trees and whether the Cotswold Beechwoods SAC recreation zone adds separate HRA requirements. Then use the current statutory metric and Gloucestershire LNRS map to test deliverable onsite habitats.
For a public nature-management example, Cheltenham Council's 13 May 2026 update identifies Pittville, Benhall and Springfields as parks with grassland habitat management. Neither the public park work nor the Golden Valley proposal is a registered habitat-unit sale offer or an ACP project.
Planning and delivery
Preparing evidence and delivering biodiversity gain
Connect the surveyed habitat baseline with the proposed layout and planning documents. Local nature recovery priorities and protected-site evidence also help shape the design.
Which statutory metric and habitat evidence should I prepare?
As at 10 November 2026, Defra's main statutory biodiversity metric calculation tool is version 1.1.0, issued on 3 November 2026. Earlier valid statutory versions can remain usable. Historic non-statutory Biodiversity Metric 4.0 is not an acceptable substitute for a mandatory statutory calculation.
The metric uses different modules for area habitats, hedgerows and watercourses. Each has its own trading and accounting rules, so a surplus in one module cannot automatically erase a loss in another.
Some genuinely eligible smaller sites may use the Small Sites Metric. However, eligibility depends on the development and habitat conditions, not merely whether a site feels small.
See our BNG assessments and habitat surveys, Small Sites Metric assessments and habitat condition assessment pages for the separate survey and metric services.
What must be submitted with a Cheltenham planning application?
For a non-exempt site, the planning-stage package may include a red-line boundary, baseline habitat plan, metric calculation, explanation of pre-development habitat condition and a feasible post-development gain strategy.
The final statutory Biodiversity Gain Plan is normally approved after permission and before commencement. It is different from preliminary planning information supplied to show that a scheme is viable.
Useful related guidance: BNG planning validation checklists. Do not assume that a generic national checklist displaces the council's current application-specific local list.
How should a developer approach the layout and delivery route?
- Map what exists. Record trees, grassland, scrub, gardens, hedges and watercourses accurately.
- Retain valuable features. Check protections, root zones, buffers, species and connectivity before locating buildings.
- Test on-site enhancement. Design habitat areas that fit the land, hydrology, sunlight and realistic maintenance.
- Compare against LNRS priorities. Match any strategic-significance claim to a mapped site measure and suitable habitat.
- Run metric and trading checks. Keep area, hedgerow and watercourse outputs separate.
- Secure remaining delivery. Where on-site gains are insufficient, assess legally registered and allocated off-site units under the applicable hierarchy.
Substantial on-site and registered off-site habitat gains generally need at least 30 years of legally secured management. The plan should specify who will maintain habitats and how their condition will be monitored.
For later-stage documents, use Biodiversity Gain Plans and Habitat Management and Monitoring Plans.
Local development and regeneration: what is relevant here?
Golden Valley / West Cheltenham is a council-backed large technology/innovation district with nature-led green infrastructure. The Joint Core Strategy 2017 includes West Cheltenham strategic development provisions, but the project extends near borough boundaries and exact planning LPA depends on the parcel. The council's February 2026 update on Golden Valley phase 1 described two reserved-matters applications for the southern parcel, including biodiversity-led SuDS, native planting, ecological/digital spines and green roofs, with Gloucestershire Wildlife Trust comments. The February 2026 update described proposals awaiting detailed approval.
Other opportunities in Cheltenham town centre, Pittville and green networks have different planning and habitat constraints.
A practical Cheltenham biodiversity planning example
Documented 2026 proposal/commentary, not ACP: Cheltenham Borough Council published its February 2026 Golden Valley phase-one update describing two relevant planning submissions (the article displays 26/00001/REM references) and comments from Gloucestershire Wildlife Trust supporting ecological and digital spines, native landscaping, biodiversity SuDS and a green roof.Check the latest application decision and delivery programme before relying on the proposal. Separately Cheltenham Council's May 2026 weed-control guidance documents Pittville Park, Benhall Open Space and Springfields Park as public open spaces with grassland management to benefit birds/pollinators.
The lesson is to plan habitats together with urban design, lighting, drainage and long-term maintenance, without counting a CGI/project aspiration as available units.
Are off-site biodiversity units or habitat banks available nearby?
A developer can consider registered off-site units where allowed by the applicable BNG hierarchy. However, a map of potential habitat or the advertisement of a habitat bank is not proof that compatible units are available today.
Check the site registration, habitat type, unit quantity, trading rules, distance or spatial risk, legal securing and allocation to the particular development. Statutory biodiversity credits are a distinct last-resort mechanism.
For the method rather than invented stock, see off-site biodiversity units. Confirm the relevant habitat units, availability, price and allocation terms with the supplier.
Council and delivery costs
What costs and separate planning contributions matter?
Confirm the current applicable contribution, indexation and any administration charge with the council. Protected-site mitigation, ecological assessment and biodiversity habitat units have separate scopes and costs.
Keep these categories distinct when preparing an actual budget:
| Cost category | Why it may apply |
|---|---|
| Surveys and technical reports | Habitat baseline, condition, metric, protected species and specialist watercourse work. |
| Habitat delivery | Creation, establishment, maintenance and monitoring of on-site or off-site gains. |
| Legal and administrative | Agreements, conservation covenants, registration, monitoring charges and planning obligations where relevant. |
| Separate protected-site mitigation | Recreational SPA/SANG/SAMM or nutrient obligations, where applicable. These are not biodiversity-unit prices. |
| Statutory biodiversity credits | A separate last-resort national mechanism for eligible projects. |
Planning evidence
Cheltenham BNG preparation checklist
Use this checklist to gather the site information and decisions needed before an assessment or planning submission.
Free resource: Use the local BNG planning evidence route worksheet. It provides a light, accessible reference to official documents and the difference between BNG and separate ecological duties.
Planning evidence worksheet
Find your Cheltenham planning and evidence route
This free worksheet helps locate primary sources. It cannot determine an exemption, calculate biodiversity units or issue planning clearance. Use the actual red-line site and proposal details.
Open the question relevant to your project
Which planning authority and adopted plan?
Adopted framework: Gloucester, Cheltenham and Tewkesbury Joint Core Strategy adopted December 2017, plus Cheltenham Plan adopted 20 July 2020. Policies: SD9 – Biodiversity and Geodiversity (2017 JCS); GI2 – Protection and Replacement of Trees; GI3 – Trees and Development; BG1 – Cotswold Beechwoods SAC recreation.
Check the red-line boundary, current local list and official policies map. The county-level research relationship is documented in the handover; no published county URL is allocated here.
Is a new Local Plan or higher BNG target already operative?
The three-council Strategic and Local Plan (SLP) is being prepared by Gloucester City, Cheltenham Borough and Tewkesbury Borough. Council updates in October 2026 set a revised timetable including proposed 2026 Regulation 19 consultation and March 2027 submission, but no replacement had been adopted as of 10 November 2026. The replacement plan remains in preparation. The operative 2017 JCS and Cheltenham Plan adopted July 2020 (GI2/GI3/BG1) remain the planning starting points, alongside any saved or made neighbourhood policies. An emerging 20% nature recovery ambition is not automatically binding BNG percentage.
The current national 10% requirement applies to eligible development, subject to exemptions. An emerging percentage must not be presented as an adopted obligation.
Which published LNRS and map apply?
Gloucestershire Local Nature Recovery Strategy — published 13 February 2026. Responsible authority: Gloucestershire County Council.
Match the site to an actual mapped measure and suitable habitat. A regional map does not certify habitat present on a development site or automatically award metric uplift.
Could my application qualify for a 2026 BNG exemption?
For applications from 6 August 2026, a red-line site up to 0.2 hectares may qualify if no onsite priority habitat is adversely affected. Other householder, de minimis, temporary and transitional categories have distinct conditions.
What separate habitat or designated-site issue matters here?
Cotswold Beechwoods Special Area of Conservation has a shared strategic recreation-mitigation strategy for relevant housing in a mapped 15.4km zone of influence. Cheltenham's adopted BG1 and JCS SD9 can require SPA/SAC Habitats Regulations evidence and mitigation, distinct from BNG. Cheltenham approved a 14.68% RPI uplift to strategic mitigation fees on 6 March 2026, effective 1 April 2026; exact property and local legal/admin charges need the current council schedule, not a generic unit price. Leckhampton Hill and Cotswold escarpment grassland/SSSI interests, ancient woodland and river habitat are separate real-site checks. No town-wide nutrient-neutrality tariff was established.
Do not substitute biodiversity units for HRA, protected-species or water-quality evidence.
When do I need a gain plan and habitat management?
Planning-stage documents depend on the current council validation list and proposal type. The final statutory gain plan is normally approved after permission and before commencement. Significant habitat gains may need at least 30 years of secured management and monitoring.
Details to gather before an enquiry
Project support
How ACP can help with your Cheltenham project
ACP can help you plan the surveys, calculations and documents your site needs. We agree the scope around your proposal, its planning stage and the habitats affected.
Survey, design and planning support
- Habitat surveys and condition assessments.
- Statutory metric calculations and design options.
- BNG reports and planning submission support.
- Gain plans and habitat management documents.
Local planning questions
Frequently asked questions about BNG in Cheltenham
For a site-specific question, discuss your project with ACP.
What adopted policies govern biodiversity in Cheltenham?
The 2017 Joint Core Strategy SD9 and Cheltenham Plan adopted July 2020 GI2/GI3/BG1 apply, along with 2026 statutory BNG rules for qualifying proposals. The replacement three-council SLP remains emerging.
Is Cotswold Beechwoods SAC mitigation part of the statutory 10% BNG?
No. Relevant housing may need separate Habitats Regulations recreation mitigation under BG1. Cheltenham increased its contribution schedule 14.68% from 1 April 2026, and this is not the cost of biodiversity habitat units.
Has Cheltenham adopted the new Strategic and Local Plan?
No. As of 10 November 2026 the SLP is still progressing towards consultation, with further public decisions scheduled. Current 2017 JCS and 2020 Cheltenham Plan remain adopted.
Does the Golden Valley project already sell registered BNG units?
Check the latest application decision and delivery programme before relying on the proposal.
Is 10% biodiversity net gain compulsory for every Cheltenham project?
No. Eligible applications normally require at least 10%, but the 2026 national exemptions, application date, development type and priority habitats can change the position. Other ecological and planning policies can still apply.
Do I need an ecology survey if my application is exempt?
Not automatically for every site, but an exemption from mandatory BNG does not remove protected species, designated site, tree or local ecological planning duties. The need for evidence depends on what the proposed work may affect.
Does a published local nature recovery map itself grant permission?
No. The Gloucestershire Local Nature Recovery Strategy helps target recovery priorities. It does not prove a habitat exists on a parcel, award metric uplift automatically or replace planning permission. Compare the map with actual habitat surveys and the mapped measure.
Can I buy off-site units instead of avoiding habitat loss?
The applicable gain hierarchy and trading rules still matter. Registered off-site units can be part of a lawful delivery strategy, but their type, legal securing, allocation and availability must be checked. Statutory credits are a separate last-resort route.
When is a final Biodiversity Gain Plan approved?
For applicable ordinary planning permissions, approval normally follows permission and precedes the start of development. Planning applications still need proportionate evidence of deliverability; the local authority's current validation guidance must be checked.
Talk to ACP / Site enquiries
What does your site need next?
Tell us where the site is, what you plan to build and how far the application has progressed. We’ll use that context to discuss the surveys, calculations or plans your project needs.
What to have to handA red-line plan, an existing ecology report or a request from the council can help us scope the work. Start with whatever you already have.
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Cheltenham BNG
Sources and references
Reviewed 10 November 2026.
Official planning and nature recovery sources
- Current GOV.UK exemption guidance
- View the official local nature recovery materials
- Appropriate assessment guidance
- Cheltenham Plan adopted 2020
- Cheltenham current Development Plan
- JCS adopted 2017 SD9
- JCS and SLP current programme
- Cotswold Beechwoods SAC nature guidance
- Cheltenham SAC fee uplift 6 Mar 2026
- GOV.UK's BNG guidance
- statutory biodiversity metric downloads
- National Planning Policy Framework: biodiversity policies N1 and N2