Last updated:

30th June 2026

CIL Forms

All CIL forms can be submitted through our online portal.

Please note: CIL Form 6 – Commencement Notice is the only accepted form for commencement of development for the purposes of CIL. Building Control commencement notices or notification to the planning department will not be accepted as evidence of notification. 

Failure to submit CIL Form 6 prior to the development commencing will result in a surcharge.

Form 1 - Additional Information 

This form sets out the floor areas of the development including any demolition to be used in the calculation of the CIL and should be submitted with the planning application.

Form 2 - Assumption of Liability 

This form is used to assume liability for the payment of CIL.  It also needs to be completed to support a claim for relief or exemption, including self-build exemption.

Failure to submit prior to the development commencing will result in a surcharge of £50 on each person or party liable to pay CIL.

Form 3 - Withdrawal of Assumption of Liability

This form is used when you have assumed liability to pay CIL but will no longer be the party making the payment.

Form 4 - Transfer of Assumed Liability

This form is used to transfer the responsibility for payment of CIL between parties.  It should be used if the person who assumed liability using Form 2 will no longer be responsible for the payment of CIL but has agreed with another party that they will be paying.

Form 5 - Notice of Chargeable Development

This form is used to give the Council as the charging authority notice of work that may be liable for CIL being carried out under General Consent / Permitted Development rights.

Failure to submit prior to the development commencing will result in a surcharge and payment of the full CIL amount will become due immediately.

Form 6 - Commencement Notice

This form is used to give the Council notice that a development with a CIL liability is starting on site. This needs to be submitted even if an exemption from CIL is granted. 

Failure to submit prior to commencement can lead to a loss of the ability to pay by instalments. You must receive an acknowledgement from the Council that the commencement notice has been received before you commence.

Form 7 – Self-Build Exemption Claim - Part 1

This form is used to make a claim for self-build exemption when you are constructing a new dwelling, and it is to be your primary residence on completion for at least three years. This exemption must be applied for prior to the development commencing and you must assume liability for paying CIL.

Form 7 – Self-Build Exemption Claim - Part 2 

This form should be used when self-build exemption has been granted for a new dwelling. It must be submitted within six months of the date of the completion certificate accompanied by the supporting evidence set out in the form.

Please note if you think you will be unable to provide all the evidence required for Part 2 please contact us before commencement.

Form 8 – Residential Annex Exemption Claim

This form should be used to claim a self-build exemption when the work being carried out is the creation of a residential annex, to be used as ancillary accommodation to the main dwelling.

Form 9 - Residential Extension Exemption Claim

This form should be used to claim a residential extension exemption when the work being carried out is a domestic extension which has a gross internal floor area of 100sqm or more.

Form 10 - Charitable and / or Social Housing Relief Claim

This form should be used to claim an exemption as a Charity or for affordable dwellings.  

Form 12 – Further Charitable and / or Social Housing Relief Claim 

This form is to be used to re-claim charitable relief or social housing relief from CIL when the development originally receiving charitable or social housing relief from CIL has, or is intended to be, altered in a way which changes the extent of the relief previously granted.

Form 13 - Further Exemption Claim

This form is to be used to re-claim an exemption for a self-build dwelling, residential annex or residential extension for a development that was originally granted an exemption is intended to be altered which changes the extent of the exemption previously granted.

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