Sources & editorial standard
Trust grows when
the workings are visible.
We prioritise primary UK guidance, distinguish trade advice from regulation and make our citations easy to follow.
Core references
discharge to ground
Official England rules for septic tanks and small treatment plants that discharge into the ground.
Open original source Environment Agency / GOV.UKdischarge to surface water
Official England rules for treatment plants that discharge to a river, stream, ditch or other surface water.
Open original source Environment Agency / GOV.UKSeptic tanks and treatment plants: what you need to do
Official decision route for operators, existing and new discharges, cesspools and permits in England.
Open original source Natural Resources WalesRegister a septic tank or small sewage treatment plant
The registration and permit route for private sewage systems in Wales.
Open original source Scottish Environment Protection AgencySeptic tanks and private sewage treatment systems
Registration, permitting and maintenance guidance for private sewage discharges in Scotland, under the authorisation regime in force since 1 November 2025.
Open original source DAERA / Northern Ireland Environment AgencyRegulating water discharges
Consent requirements for private sewage treatment systems in Northern Ireland.
Open original source Ministry of Housing, Communities and Local GovernmentApproved Document H: drainage and waste disposal
Building Regulations guidance for foul drainage, wastewater treatment systems and drainage fields in England.
Open original source GOV.UKGuidance on the permeable surfacing of front gardens
Government guidance on permeable driveways, soil suitability and where rainwater from paved front gardens should go.
Open original source Planning Portalplanning permission
When a new or replacement driveway in England needs planning permission.
Open original source GOV.UKwhat you can get
Grant amounts for heat pumps and biomass boilers in England and Wales, including the extra support for homes heated by oil or LPG.
Open original source GOV.UKFind an energy certificate
Look up a property’s energy performance certificate in England, Wales and Northern Ireland.
Open original source GOV.UKFind ways to save energy in your home
Home energy recommendations and grant pointers for England and Wales.
Open original source Environment Agency / GOV.UKStoring oil at a home or business
When England’s oil storage rules apply, including to containers of 3,501 litres or more at a home.
Open original source Department for Energy Security and Net Zero / GOV.UKgovernment response
Confirms the Energy Company Obligation (ECO4) runs to 31 December 2026.
Open original sourceReview discipline
How a guide is maintained
Scope the questionOne guide answers one homeowner intent clearly.
Check current originalsWe prefer the organisation responsible for the rule or process.
Write with limitsWe flag uncertainty and avoid remote diagnosis.
Date the reviewEvery technical article shows when it was checked.