Planning language, translated into useful decisions.
Start with the guides below, then use the checker or ask the team to apply the rules to your specific property.
Do I need planning permission for an extension?
Understand the difference between permitted development, a lawful development certificate and householder planning permission.
Read the relevant service Planning guidePlanning drawings vs building regulations drawings
Planning usually considers what and where you build; building regulations consider how the work meets technical standards.
Read the relevant service Planning guideListed buildings and conservation areas
Heritage designations can change both the consent route and the level of evidence a proposal needs.
Read the relevant service Planning guideChange of use and HMO planning
Use classes, permitted-development rights and local Article 4 Directions all affect the correct route.
Read the relevant service Planning guideWhat happens after planning approval?
Conditions, building regulations, structures, neighbour matters and working details may still need coordination.
Read the relevant service Planning guideWhat to do after a refusal
A refusal can lead to redesign, resubmission or appeal; the decision reasons should guide the next step.
Read the relevant servicePlanning rights and requirements depend on the property, use, location, proposal and current rules. This site provides general information and does not replace a local planning authority decision or project-specific professional advice.