Section 73
Rather than refusing a planning application, a planning authority might grant permission, but with conditions attached. These conditions might require additional approvals for specific aspects of the development (such as the colour of materials) or might restrict the use of the site (for example limiting operating hours). See planning conditions for more information.
Section 73 of the Town and Country Planning Act 1990 'determination of applications to develop land without conditions previously attached' permits application to remove planning conditions or to vary planning conditions following the grant of planning permission.
Application is made to the local planning authority, who may either refuse the application, grant the application to remove or vary conditions unconditionally, or grant the application to remove or vary conditions, but with further conditions attached. A fee is likely to be chargeable for the application.
A section 73 application can only be made if the time within which the development was required to begin has not expired without the development commencing.
The section 73 application process can also be used to make a ‘minor-material amendments’ to a planning permission, that is, amendments ‘…whose scale and nature results in a development which is not substantially different from the one which has been approved’.
A specific 'non-material amendment' application process came into effect in October 2009, but no new process was introduced for minor-material amendments, and so these applications are still submitted using the existing section 73 procedure.
Section 73A of the Town and Country Planning Act 1990 permits retrospective planning applications to be made for developments which have been carried out without permission, or which have been carried out without complying with some of the planning conditions imposed on a planning permission.
NB Where a condition or conditions attached to a listed building consent become inappropriate, Section 19 of the Planning (Listed Buildings and Conservation Areas) Act 1990 permits application to change those conditions without re-opening the entire permission.
[edit] Related articles on Designing Buildings Wiki
Featured articles and news
Inspiring the next generation to fulfil an electrified future
Technical Manager at ECA on the importance of engagement between industry and education.
Repairing historic stone and slate roofs
The need for a code of practice and technical advice note.
Environmental compliance; a checklist for 2026
Legislative changes, policy shifts, phased rollouts, and compliance updates to be aware of.
UKCW London to tackle sector’s most pressing issues
AI and skills development, ecology and the environment, policy and planning and more.
Managing building safety risks
Across an existing residential portfolio; a client's perspective.
ECA support for Gate Safe’s Safe School Gates Campaign.
Core construction skills explained
Preparing for a career in construction.
Retrofitting for resilience with the Leicester Resilience Hub
Community-serving facilities, enhanced as support and essential services for climate-related disruptions.
Some of the articles relating to water, here to browse. Any missing?
Recognisable Gothic characters, designed to dramatically spout water away from buildings.
A case study and a warning to would-be developers
Creating four dwellings... after half a century of doing this job, why, oh why, is it so difficult?
Reform of the fire engineering profession
Fire Engineers Advisory Panel: Authoritative Statement, reactions and next steps.
Restoration and renewal of the Palace of Westminster
A complex project of cultural significance from full decant to EMI, opportunities and a potential a way forward.
Apprenticeships and the responsibility we share
Perspectives from the CIOB President as National Apprentice Week comes to a close.
The first line of defence against rain, wind and snow.
Building Safety recap January, 2026
What we missed at the end of last year, and at the start of this.






















Comments