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CIL & S106 Calculator
Community Infrastructure Levy estimation and Section 106 obligations screening
Total CIL Liability
£0
Estimated S106 Obligations
£0
Total Infrastructure Cost
£0
CIL Calculation Breakdown
Gross Internal Area
0 sqm
Existing Lawful Floorspace
0 sqm
Net Chargeable Area (before exemptions)
0 sqm
Affordable Housing Exemption
0 sqm
Self-Build Exemption
0 sqm
Final Chargeable Area
0 sqm
Local CIL Rate (per sqm)
£0
Index Adjustment Factor
1.00x
Base CIL Liability
£0
Section 106 Obligations Estimate
Total S106 Cost
£0
CIL Payment Schedule
| Instalment | Due Date (from commencement) | Percentage | Amount (GBP) |
|---|---|---|---|
| N/A | N/A | - | - |
CIL becomes due 60 days after commencement of development. Payment must be made before commencement unless a payment plan is agreed.
Exemptions & Relief
Important Caveats:
- This calculator provides indicative estimates only. Always verify rates with the local CIL charging schedule.
- S106 costs vary significantly by scheme and location. These are rough estimates based on regional norms.
- Actual liabilities depend on planning conditions, the development specification, and compliance with CIL Regulations 2010 (as amended).
- Affordable housing exemptions require the units to remain affordable in perpetuity.
- Index adjustments are automatically calculated based on BCIS TPI. Check your charging schedule for indexation dates.
- S106 monitoring fees are typically fixed amounts per head of terms; actual fees should be confirmed with the Local Authority.
- This tool does not account for relief applications (e.g., charitable relief, exceptional circumstances) which must be applied separately.