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Community Infrastructure Levy (CIL)

What is CIL?

The Community Infrastructure Levy (or 'CIL') was introduced nationally in April 2010 and is governed by the CIL Regulations 2010 (as amended) (external link). It allows local authorities in England and Wales to raise funds from developers who are undertaking new building projects in their area. The money can be used to pay for a wide range of infrastructure that is needed to support new development. This can include things like transport schemes, green spaces and the maintenance of new infrastructure. The principle behind CIL is that most development has some impact on infrastructure and should contribute to the cost of providing or improving infrastructure.

From 1 September 2014, all developments that create more than 100sqm of new build gross internal area, or create a dwelling (irrespective of size) are liable for CIL - this includes permitted development. CIL is due upon the commencement of the development.

If you have to pay CIL, you will need to send us specific forms and notices, at specific times. Failure to do so means we will impose penalties such as surcharges (up to £2,500), the removal of any instalments and the refusal/withdrawal of any relief granted to you. We will also take enforcement action to collect outstanding CIL charges; in the most severe cases this will include stopping development on site or taking court action. 

These guidance notes are intended as a summary of the relevant provisions. For detailed guidance, you should always refer to the CIL Regulations 2010 (as amended). You should seek your own advice if you are in any doubt as regards how CIL operates or affects your own position.


Links to key documents

CIL forms

Level 3 Privacy Notice: How we handle your data

We will use the information you provide to us to administrate the CIL liability relating to your development. As CIL has been adopted by the Council, this information is required by law.

For further information as to how we handle your data, please see the Level 2 CIL Privacy Notice. Hard copies are available on request. If you would like to discuss this notice, or how we will use your personal data, you can contact the CIL Officer via CIL@westlancs.gov.uk or on 01695 585171.

All the CIL forms can be found at the Planning Portal (external link), including:

  • CIL Form 0: Additional Information Form
  • CIL Form 1: Assumption of Liability
  • CIL Form 2: Claiming exemption or relief
  • CIL Form 3: Withdrawal of liability
  • CIL Form 4: Transfer of liability
  • CIL Form 5: Notice of Chargeable Development 
  • CIL Form 6: Commencement Notice 
  • CIL Form 7 (Part 1): Self-build exemption claim (whole house) Part 1 
  • CIL Form 7 (Part 2): Self-build exemption claim (whole house) Part 2 
  • CIL Form 8: Residential annex exemption claim form 
  • CIL Form 9: Residential extension exemption claim form