Knowledge Hub

New banded flood-depth datasets for river and sea flooding are now available through the Defra Data Services Platform, giving flood-risk professionals a further national evidence source for site screening, design development and planning submissions in England.

The government and Environment Agency are increasing action against illegal waste sites and persistent poor performers. Here is why waste classification and duty-of-care checks matter to legitimate projects too.

Approved Document L 2026 takes effect for most building work in England from 24 March 2027. We look at SAP 10.3, transition dates and why early energy modelling matters now.

HSE has confirmed that Great Britain’s asbestos control limit will remain at 0.1 f/ml. We explain what the decision changes — and what it does not change — for surveys, dutyholders and refurbishment work.

From 1 October 2026, permitted and licensed waste receiving sites in England and Wales must report waste receipts digitally. Here is what changes and what does not.

The new National Planning Policy Framework took effect for decision-making on 17 August 2026. We look at what it means for brownfield development, contamination, mining risk and environmental evidence.

The BBC documentary Buried with Michael Sheen has renewed scrutiny of historic PCB disposal in Wales. We look at what the story means for contaminated-land risk assessment, due diligence and brownfield development.

New biodiversity net gain exemptions took effect on 6 August 2026. Here is what the 0.2-hectare threshold, temporary-development exemption and self-build changes mean in practice.

A new Environment Agency service offers site-specific technical review where land contamination has affected controlled waters. We explain who can use it and what it can — and cannot — provide.