Permitted Development Rights Unlock Substantial Home Extensions in the Green Belt
Permitted development rights for a cohesive package of side and rear extensions and a new garage at a Green Belt property near Ingatestone, Essex, doubling the floor space without any planning application through Certificates of Lawfulness for Proposed Development.
COL APPROVALSCHELMSFORDESSEXGREEN BELT APPROVALS
Andrew Ransome
7/24/20262 min read
In 2025, two Certificates of Lawfulness for Proposed Development were secured at a rural property near Ingatestone in the Essex Green Belt, confirming that significant side and rear extensions and a replacement garage were lawful under permitted development rights.
These applications effectively doubled the property's floor space without any planning application being required.
Garage to House Conversion Confirmed Via the 4-Year Rule
I secured two Certificates of Lawfulness for Proposed Development at a rural property near Ingatestone in the Metropolitan Green Belt, confirming that a substantial package of extensions and a new garage were lawful under permitted development rights.
Many homeowners in the Green Belt assume they cannot extend their homes without going through the full planning process and facing the significant policy barriers that Green Belt development entails.
In fact, permitted development rights continue to apply to most houses in the Green Belt — including the right to add extensions, subject to the normal limitations on height, volume, depth and relationship to the original dwelling.
I undertook a systematic analysis of the permitted development rules and identified a package of works that, in combination, delivered the additional space my client needed entirely within the permitted development envelope.
The approved package comprised two separate applications.
The first confirmed that significant additions to the side of the property, together with a replacement garage, were lawful under permitted development. This alone added approximately 90 sq m of floor space and a new 36 sq m garage.
The second confirmed that a substantial rear extension under the larger home extension scheme — requiring prior approval — was also lawful. This added a further 70 sq m of floor space.
Planning Application Advice
If you have a property in the Green Belt and are looking to extend, permitted development rights may provide a faster and lower-risk route than you expect. Contact me to discuss what is achievable at your property.
Andrew Ransome MRTPI - Email: andrew@andrewransome.co.uk
About me
Andrew Ransome is a Planning Director and a Chartered Member of the Royal Town Planning Institute (RTPI), with more than two decades of experience in town planning.
He specialises in delivering strategic planning solutions for complex developments across both rural and urban environments, helping clients navigate planning challenges and unlock development opportunities. Connect with Andrew on Linkedin.
Certificate of Lawfulness Successes
Permitted Development Information
Get in touch for planning advice: Email: andrew@andrewransome.co.uk
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