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Habitat Management and Monitoring Plan (HMMP)

Habitat Management & Monitoring Plan (HMMP)

Long-term habitat management and monitoring plans that secure compliance, protect biodiversity uplift, and keep planning conditions on track nationwide.

Do you need a Habitat Management & Monitoring Plan (HMMP)?

You’ll need an HMMP when your development must demonstrate measurable habitat delivery after planning approval.
LPAs request HMMPs to prove that habitat creation, enhancement and long-term stewardship will be delivered as committed in your BNG, SAP, HAP or EIA ecology.

If your permission includes a BNG condition, long-term habitat enhancement, or post-construction ecological actions, an HMMP is almost always required.

Handled early, an HMMP protects your planning conditions from delays, avoids re-submission cycles, and gives contractors a clear, workable route to compliance.

What is an HMMP?

A Habitat Management & Monitoring Plan sets out how habitats will be created, enhanced and maintained for at least 30 years, with clear monitoring to prove success.

Its purpose is simple: secure your planning conditions and demonstrate long-term ecological delivery without uncertainty or drift.

BNG Screening Assessment potential across fields

Trigger points — signs you need an HMMP

You’ll likely need an HMMP if your application includes:

  • BNG uplift through habitat creation

  • enhancement of grassland, wetland, woodland or mosaics

  • long-term management conditions

  • post-construction ecological requirements

  • EIA or HRA recommendations

  • off-site BNG units linked to your scheme

  • conditions referencing “management”, “maintenance”, “long-term” or “monitoring”

When these appear, an HMMP is the document planners rely on for assurance.

How is a Habitat Management and Monitoring Plan different from a BNG Assessment or Biodiversity Gain Plan?

Purpose: quantify biodiversity change

Output: DEFRA Metric 4.0 calculation

When: before design freeze / planning submission

Audience: design teams, planners, ecologists

Depth: technical, evidence-led

Purpose: satisfy the legal BNG condition

Output: statutory-compliant plan for LPA approval and the BNG Register

When: AFTER BNG Assessment, BEFORE permission or condition discharge

Audience: planning officers, legal teams, Natural England

Depth: formal, structured, compliance-focused

 

Think of it as the difference between calculating the uplift and legally securing it.

Purpose: long-term delivery

Output: 30-year habitat management and monitoring framework

When: after BNG approval, before condition discharge or commencement

Audience: LPAs, ecologists, site managers, long-term stewards

Depth: detailed and operational

What We Deliver

We keep guidance clear and planning-ready — supporting predictable project delivery. 

Component Purpose Outcome
Habitat Baseline Review Identify starting condition and constraints Clear foundation for management
Management Objectives Define targets for each habitat Transparent goals for planners
Creation & Enhancement Measures Set prescriptions for habitat establishment Robust, achievable uplift
Annual Maintenance Actions Detail tasks year by year Predictable workload for contractors
Monitoring Framework Indicators, frequency and success thresholds Evidence for planning condition sign-off
Reporting Schedule Clarify who submits what and when No ambiguity for the LPA
Risk & Contingency Measures Address failure points early Programme and ecological resilience
30-Year Delivery Plan Secure long-term compliance Confidence for planners and stakeholders

How it Works

Our process is designed to remove friction and keep decisions moving. 

Review & Scope

We review your BNG Assessment, SAP/HAP and planning conditions to define HMMP requirements.

Prescriptions & Management Plan

We develop clear, deliverable measures aligned to habitat type, condition targets and the DEFRA metric.

Monitoring & Reporting Framework

We set monitoring intervals, indicators and success criteria backed by Natural England standards.

Submission & Ongoing Support

You receive a planning-ready HMMP with optional monitoring support throughout the 30-year period.

Timing & Integration

Early preparation keeps your post-permission conditions predictable.

That’s how project control is maintained. 

BNG Assessment

Year-round

Biodiversity Gain Plan

Year-round

HMMP

Year-round

Why planners request HMMPs

LPAs must be confident that habitat uplift is real, deliverable and maintained.
A clear HMMP gives them the evidence they need, aligned to:

  • Environment Act 2021

  • BNG Regulations

  • DEFRA Metric 4.0

  • Natural England BNG standards

  • Local plan policy and SPDs

Without an HMMP, projects often face:

  • delayed discharge of BNG or ecological conditions

  • repeat requests for missing information

  • pushback from consultees

  • increased scrutiny at the post-determination stage

  • stalled construction during compliance checks

Early clarity strengthens your submission and avoids administrative bottlenecks later.

Our Approach

ProHort HMMPs are written in plain English, aligned to planning conditions, and structured so contractors can deliver the actions without confusion.

We integrate ecology with design and site management, ensuring:

  • deliverable actions

  • measurable outcomes

  • practical sequencing

  • reports planners accept the first time

This is long-term ecology written for real-world construction and maintenance teams.

How this supports your project

A well-timed HMMP:

  • protects your BNG uplift from challenge

  • secures condition discharge without rework

  • aligns ecology with contractor workflows

  • prevents long-term management problems

  • keeps monitoring predictable and budgeted

  • demonstrates control and foresight to planners

Early clarity strengthens the entire 30-year delivery arc.

Case Insight

A large mixed-use scheme required a long-term habitat strategy to support grassland, hedgerow and wetland enhancement tied to BNG conditions. The HMMP set measurable targets, annual tasks and success indicators, enabling the LPA to discharge conditions in the first round. Contractors followed a clear schedule, avoiding costly rework and ensuring habitats established as planned. That’s the impact of a well-built HMMP.

Your Next Step

Get the ecological clarity that keeps your design on track. 

Phone: 0800 494 7479

Email: [email protected]

Areas We Cover

We cover many areas across England. Click below to find out more.

FAQ for HMMP

What is a Habitat Management and Monitoring Plan?

A Habitat Management and Monitoring Plan is a long term document that sets out how habitats will be created, managed, and monitored to deliver biodiversity outcomes. It is typically required by planning conditions to ensure habitats are successfully established and maintained over a minimum 30 year period.

The purpose of habitat monitoring is to track whether newly created or enhanced habitats are meeting agreed biodiversity targets. Monitoring ensures that habitats are developing as intended and allows for corrective action if performance falls below expectations.

An HMMP typically includes:

  • Detailed habitat management prescriptions for 30 years
  • A structured monitoring schedule and reporting framework
  • Measurable success criteria and performance targets
  • Remedial actions if habitats fail to meet targets
  • Alignment with the approved Biodiversity Net Gain strategy
  • Planning ready documentation for condition discharge

Legal agreements or conservation covenant drafting are usually separate services where required.

An HMMP is usually required after planning permission has been granted where biodiversity enhancements or Biodiversity Net Gain must be delivered. Local Planning Authorities use HMMPs to secure long term ecological outcomes through planning conditions or legal agreements.

HMMP pricing is based on habitat complexity and long term management requirements.

  • Schemes with up to two habitats typically start from £3,200 plus VAT
  • Additional habitats are generally charged at £1,000 plus VAT per habitat
  • Larger or phased developments are quoted on a site specific basis

Costs increase where habitats are more complex or require detailed monitoring strategies.

Each habitat requires its own management approach, monitoring framework, and measurable targets over a 30 year period. As the number of habitats increases, so does the level of technical detail, reporting requirements, and long term compliance responsibility.

Who is responsible for delivering and monitoring an HMMP?

Responsibility typically sits with the landowner, developer, or a nominated management company. In some cases, a Responsible Body may be involved where conservation covenants are used. The HMMP clearly defines roles, responsibilities, and reporting obligations.

HMMPs are secured through planning conditions, Section 106 agreements, or conservation covenants. They must usually be approved by the Local Planning Authority before development progresses or conditions are discharged.

For example, guidance can be found via:
https://www.gov.uk/guidance/biodiversity-net-gain
alongside your relevant Local Planning Authority planning portal.

Monitoring is carried out at defined intervals across the 30 year period. This often includes early stage checks in years one and two, followed by longer term reviews at key milestones such as years five, ten, twenty, and thirty.

If monitoring shows that habitats are not meeting their targets, the HMMP sets out remedial actions. These may include changes to management techniques, additional planting, or revised maintenance regimes, all agreed with the Local Planning Authority.

Yes, HMMPs can be adapted where monitoring identifies issues or where improvements are needed. Any updates must typically be agreed with the Local Planning Authority to ensure continued compliance.

No. HMMPs are generally required where biodiversity enhancements must be maintained over time, particularly under Biodiversity Net Gain. Smaller developments without long term habitat obligations may not require one.

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