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Applications, appeals, permitted development, enforcement and planning strategy across England
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Need help with CIL?
CIL can be unforgiving, especially where an exemption, form or commencement notice has been missed. Planning Geek can review the paperwork, explain the liability and help you work out the best route forward.
CIL Index: the basics
- Who charges CIL?
- CIL frequently asked questions
- CIL calculation
- Existing buildings, floorspace and six-in-36
- Change of use and conversions
Submitting and managing CIL
- The CIL process
- CIL forms
- CIL commencement
- Liability Notice and Demand Notice
- CIL and section 73 amendments
- CIL surcharges and interest
Exemptions and reliefs
- CIL exemptions and reliefs
- Self-build exemption
- Residential annexe exemption
- Residential extension exemption
- Social housing relief
Appeals, enforcement and special CIL regimes
Community Infrastructure Levy (CIL)
CIL essentials
CIL Index Page Updated: 30th August 2026














