Adoption Route & Evidence Pack Builder

An adopting body rarely asks whether a system works on day one. It asks whether the thing will still work in 20 years, and who maintains it. Pick the nation and who is meant to take the asset, and this assembles the route, its statutory status, and the evidence a buried crate field has to arrive with.

1. Where is the development?

England Wales Scotland

2. Who is expected to hold the asset long term?

The sewerage undertaker / water company A private management company or the freeholder

Answer both questions first.

Request a detailed maintenance and inspection plan

Statutory position stated as at 2026 against the primary sources, not against trade-press summaries of them: GOV.UK sustainable drainage systems review and Ofwat’s Code for Adoption Agreements. Storm Manage holds no BBA or WRc third-party product certification; the evidence list below is what an engineer or adopting body can weigh in its place, and it is offered as a substitute for scrutiny, not as an equivalent certificate.