Loft conversion
Planning permission and building regulations
Planning permission is not usually required for a loft conversion. However, if you are altering a roof space that exceeds set limits and conditions, permission will be required.
It is best to check with your local authority or refer to our interactive house and mini guide to find out the rules on permitted development concerning lofts.
Building regulations approval will always be required to convert a loft into a liveable space.
A planning consultant may help with the smooth running of your loft conversion project. To find an accurate consultancy quote, explore Studio Charrette's calculators2.
Useful links
Find a Professional
Use our partner directories from CIAT, FMB or RTPI to find an architectural technologist, builder or planning consultant to help with your project or development.
Find a professional (https://www.planningportal.co.uk/planning/planning-applications/find-a-trade-professional)
Find a professionalUseful links
Interactive guides (https://interactive.planningportal.co.uk/)
Interactive guidesCommon projects (https://www.planningportal.co.uk/permission/common-projects)
Common projectsMake an application (https://www.planningportal.co.uk/applications)
Make an applicationPlanning Consultancy Calculator (https://www.planningportal.co.uk/permission/home-improvement/planning-consultancy-calculator)
Planning Consultancy Calculator- https://www.planningportal.co.uk/permission/common-projects/loft-conversion/is-building-regulations-approval-needed-for-a-loft-conversion
- https://www.planningportal.co.uk/permission/home-improvement/planning-consultancy-calculator