Guides
Plain-English guides to planning your project.
The rules homeowners ask us about most — summarised for England. We confirm the rules for your house before design starts.
Free and without obligation. We reply within one working day.
All guides
Planning permission for extensions
When you need a full application, the 50% rule, conservation areas and Lawful Development Certificates.
ExtensionsPermitted development
The limits for rear, side, two-storey, porch and loft projects in one place.
ReferenceLoft conversion rules
Volume allowances, building regulations and the “10-year rule” explained.
LoftsDriveway rules
Permeable surfaces, the 5 m² rule and dropped kerbs.
DrivewaysStart your project
Tell us what you're planning.
A free, no-obligation site visit — an honest view on feasibility, budget and timing before anything is drawn.