28 July 2026
How New Planning Fee Increases Affect Your London Extension
The government is raising planning application fees. Here is how these changes impact your upcoming home extension budget.
The UK government has recently confirmed that significant increases to planning application fees are on the horizon. This highly anticipated legislative change aims to inject much-needed resources directly into local authority planning departments across the country. Under the new regulations, application fees for minor developments—which encompass most residential extensions and home alterations—will see a substantial percentage increase. Furthermore, the government intends to introduce an annual inflation-linked adjustment to these fees, meaning baseline costs will continue to rise incrementally each year. Crucially, the familiar 'free-go' policy for repeat applications is being scrapped, alongside stricter timeframes for planning decisions. At London Extend, we are closely monitoring these legislative updates. While nobody welcomes higher administrative costs, the government promises that these extra funds will be strictly ring-fenced to improve the speed, efficiency, and reliability of the often-sluggish planning system—a change that could ultimately benefit homeowners looking to renovate.
What do these planning fee hikes actually mean for you, the London homeowner planning a new property extension? At London Extend, we know that budgeting accurately is one of the most critical aspects of any residential renovation project. While the initial headline of increased council fees might sound like a setback, understanding the nuances of these changes is key to navigating your home transformation smoothly and cost-effectively.
First and foremost, the upfront cost of submitting a householder planning application to your local London borough will be higher. If you have been on the fence about starting your ground-floor, side-return, or loft extension, now is the time to act. Submitting your application before the new fee structures are fully implemented across all councils could save you a tangible amount of money right at the start of your project.
Perhaps the most impactful change for homeowners is the elimination of the ‘free-go’ system. Previously, if a planning application was refused or withdrawn, applicants were allowed to submit a revised application within twelve months without paying a second council fee. With this safety net removed, getting your design and application right the first time is no longer just preferable—it is financially imperative. A simple administrative mistake or an overly ambitious design that breaches local guidelines will now result in costly re-application fees. This makes partnering with experienced professionals like our team at London Extend more valuable than ever. We understand the specific, intricate planning policies of individual London boroughs, ensuring that our architectural designs are not only beautiful and functional but also highly likely to win approval on the very first attempt.
On a positive note, the government has mandated that the revenue generated from these fee increases must be ring-fenced exclusively for local planning departments. For years, London councils have struggled with severe underfunding and staffing shortages, leading to frustrating bottlenecks and delayed decisions for homeowners eager to start building. If this new funding structure works as intended, we should see a much more efficient, responsive, and predictable planning process. Better-resourced councils mean faster decision times, allowing you to move from the drawing board to construction without enduring months of administrative limbo.
At London Extend, we handle the entire planning process on your behalf. By staying ahead of UK planning law changes, we protect your budget and timeline. If you are considering expanding your home, contact us today to lock in your designs and navigate the evolving planning landscape with total confidence.