Blog

Guides & Resources

Practical guides for ecological desktop studies, species surveys, and environmental data in the UK.

1 June 20267 min read

Habitats Regulations Assessment: When Is HRA Screening Required?

When does a development need a Habitats Regulations Assessment? A guide to HRA screening, appropriate assessment, and European designated sites for UK planners and developers.

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28 May 20266 min read

Japanese Knotweed and Invasive Species on Development Sites: What You Need to Know

How Japanese knotweed, Himalayan balsam, and giant hogweed affect planning applications. Identification, legal obligations, and treatment options for developers.

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25 May 20268 min read

Ecology Survey Cost UK 2026: A Complete Price Guide for Every Survey Type

How much do ecology surveys cost in the UK? Full price breakdown for PEA, EcIA, bat, GCN, reptile, water vole, badger, BNG, and more. Updated for 2026.

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21 May 20265 min read

What Is a LERC Data Search and Do You Need One?

What Local Environmental Records Centres (LERCs) are, what a LERC data search costs, how long it takes, and when you can use free alternatives like NBN Atlas.

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18 May 20265 min read

How Long Is an Ecological Survey Valid For?

How long PEAs, bat surveys, GCN surveys, and other ecological reports remain valid for planning applications in the UK. When you need to update or redo surveys.

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14 May 20268 min read

Corridor Ecological Assessment for Linear Infrastructure: Rail, Highways and Pipelines

How to do a corridor ecological assessment for linear infrastructure projects. Desktop study methods, survey planning, and constraint mapping for rail, highways, and pipeline routes.

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11 May 20267 min read

Ecological Toolbox Talks: What to Include and How to Deliver Them on Site

A practical guide to ecological toolbox talks for ECoW and site managers. What to cover, how to structure them, and a free template approach for construction sites.

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7 May 20266 min read

Ancient Woodland Buffer Zones: The 50m Rule and What It Means for Development

What the 50m Ancient Woodland buffer means for planning applications. How to check for Ancient Woodland, NPPF policy, and what developers need to know.

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4 May 20266 min read

How to Check for SSSIs, SACs and SPAs Near a Development Site

How to find statutory designated sites near your development. A practical guide to checking for SSSIs, SACs, SPAs, Ramsar, NNRs and Ancient Woodland.

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30 April 20269 min read

What Is a Preliminary Ecological Appraisal (PEA)? Everything You Need to Know

A complete guide to Preliminary Ecological Appraisals in the UK. What a PEA involves, when you need one, what it costs, and how to prepare for one.

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27 April 20267 min read

MAGIC Map vs NBN Atlas: What's the Difference and Which Do You Need?

A practical comparison of MAGIC Map and NBN Atlas for ecological desktop studies. What each one provides, their limitations, and how to use them together.

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23 April 20268 min read

GCN District Level Licensing Risk Zones Explained: Red, Amber and Green

What GCN risk zones mean for your development. How to check your zone, what surveys are required, and how district level licensing works in 2026.

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20 April 202610 min read

UK Ecological Survey Season Calendar 2026: When to Survey Every Protected Species

Complete guide to ecological survey timing in the UK. Optimal and sub-optimal survey periods for bats, GCN, reptiles, dormouse, water vole, badger, otter, birds, and more.

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16 April 20265 min read

What Is an SSSI Impact Risk Zone? A Guide for Developers and Planners

SSSI Impact Risk Zones explained. What they are, how to check if your development triggers one, and what it means for your planning application.

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13 April 20265 min read

Do I Need an Ecology Survey for Planning Permission?

Find out if your development needs an ecological survey before applying for planning permission. A simple guide for homeowners, developers, and architects in the UK.

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9 April 20265 min read

Bat Survey Cost UK 2026: What to Expect and How to Budget

How much does a bat survey cost in the UK? A breakdown of PRA, emergence survey, and mitigation costs for homeowners and developers in 2026.

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6 April 20266 min read

Nesting Bird Season UK: When Can You Clear Vegetation on a Development Site?

When is nesting bird season in the UK? The law on vegetation clearance, what developers must do, and how to avoid prosecution and planning delays.

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3 April 20269 min read

Biodiversity Net Gain for Ecologists: What You Need to Know in 2026

A practical guide to mandatory BNG in England. The 10% requirement, the biodiversity metric, exemptions, and what ecologists need to deliver for planning applications.

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25 March 202612 min read

How to Do an Ecological Desktop Study in the UK: The Complete Data Source Guide (2026)

Every free data source for ecological desktop studies in England, Scotland and Wales. MAGIC Map, NBN Atlas, NatureScot, GCN zones and more.

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