Statutory Diligence GuideUpdated October 2026Follow on Google★

How Do I Modify or Discharge a Section 106 Agreement (Deed of Variation)?

Statutory Source: Town and Country Planning Act 1990 Section 106A & 106B

Quick Answer: How Do I Modify or Discharge a Section 106 Agreement (Deed of Variation)?

A Section 106 agreement can be modified by entering into a voluntary Deed of Variation with the council at any time, or by submitting a formal statutory application under Section 106A of the Town and Country Planning Act 1990 once 5 years have elapsed since the original deed.

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The 5-Year Rule Under Section 106A

Under Section 106A(4) of the Town and Country Planning Act 1990, where a planning obligation was entered into, a person bound by it cannot force the council to review it for the first 5 years without mutual consent.

However, once 5 years have passed from the execution date, the landowner has a statutory right to make an application to the Local Planning Authority requesting that the obligation:

1. Have effect subject to specified modifications (e.g., easing local occupancy criteria or adjusting affordable tenure splits), or

2. Be discharged completely because it no longer serves a useful planning purpose.

Negotiating a Deed of Variation with the Local Council

If 5 years have not elapsed, modification must proceed by mutual agreement via a formal Deed of Variation.

The applicant must submit: (a) A formal planning statement demonstrating why the current terms are unviable or impede housing delivery, (b) An independent RICS-accredited Financial Viability Assessment (FVA) if seeking to reduce affordable housing or developer contributions, and (c) Draft variation wording.

The applicant must pay both their own legal costs and the council's internal legal fees (typically £1,500 to £3,500 + VAT for council legal review).

Appeals to the Planning Inspectorate

If the council refuses a Section 106A application or fails to determine it within 8 weeks, the applicant can lodge an appeal under Section 106B directly with the Planning Inspectorate.

How to Remove the S106 Notice from Land Charges

Once the Deed of Variation or discharge order is signed and sealed:

1. The Local Planning Authority issues a formal Certificate of Discharge.

2. The council's Land Charges department removes the entry from Part 3 of the Local Land Charges Register (LLC1).

3. The applicant's conveyancer submits an AP1 application to HM Land Registry with the deed to remove the restriction or schedule entry from the property's Charges Register.

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Official Statutory Notice & Guidance:

This guide is compiled for informational due diligence referencing official statutory records from Town and Country Planning Act 1990 Section 106A & 106B under the Open Government Licence v3.0. Legal titles and physical structural condition should always be independently inspected by a qualified conveyancing solicitor and chartered RICS surveyor prior to legally binding property commitments.