Most homeowners in Richmond upon Thames start with one question: what's the fee? It's a reasonable place to start. But it's rarely where the real cost conversation ends. WhatCanIBuild exists precisely because the answer depends on far more than a single number — and most homeowners don't realise that until they're already mid-project.
The short version
- The standard householder planning application fee in Richmond upon Thames is £258
- That fee is just one part of the total cost — and often not the biggest part
- Richmond has 72 conservation areas, substantial Green Belt, and widespread Article 4 directions that can all affect what you need and what it costs
The £258 fee is the easy part
Yes, the headline householder application fee is £258. And yes, if you submit your application through the Planning Portal, there's also a service charge of £75.83 + VAT on top of that for applications over £100. So you're already looking at more before you've even started.
But here's what catches people out: the application fee tells you almost nothing about whether you'll get a yes — or what it'll cost you to get there.
What actually drives the cost
Before any application lands on a planning officer's desk, most homeowners in Richmond end up spending money elsewhere first. Pre-application advice. Architectural drawings. A planning consultant, if things get complicated. Sometimes a heritage assessment. Sometimes a flood risk assessment.
Whether you need any of these — and how much they'll cost — depends entirely on your property. That's not a vague caveat. In Richmond upon Thames, it's a genuinely important variable.
The borough has 72 conservation areas. It has substantial Green Belt. Kew Gardens carries UNESCO World Heritage Site status, with a buffer zone that affects planning decisions for properties nearby. Article 4 directions are in force across large parts of the borough, stripping back the permitted development rights that homeowners elsewhere take for granted.
Your street matters, not just your borough
Two houses on the same road can face completely different planning requirements. Whether your property sits inside a conservation area boundary, falls within an Article 4 direction, or sits near a protected asset like Kew Gardens changes what you need — and what it costs.
Most homeowners don't realise how layered this can get until they're already committed to a project. A straightforward rear extension in one postcode might sail through. The same extension a few streets away might need additional reports, take longer, and cost significantly more — or face refusal altogether.
The gap between knowing and not knowing
Here's the part that creates real financial risk: if you submit with the wrong fee, your application gets delayed. If you submit without understanding your constraints, you can pay for drawings and reports that don't address what actually matters for your specific property. And if you go ahead assuming permitted development applies when it doesn't, you could end up with an enforcement problem instead of an extension.
The fee is knowable. What's harder to know is how your property's specific combination of constraints — conservation area, Article 4, listed building status, flood zone, proximity to protected assets — affects your actual chances of success, and what preparation that realistically requires.
That's where WhatCanIBuild goes further than a fee table. It doesn't just flag that you're near a conservation area. It shows you what's actually been approved and refused for similar projects nearby, what approval odds look like for your specific project type, and what your property's particular combination of constraints means in practice. That's the gap between knowing the rules exist and knowing what they mean for your project.
If you're planning a project in Richmond upon Thames and you want to understand the real picture before you spend anything, the best way to start is by checking your property.
WhatCanIBuild will show you what your address actually means for your plans — not what the rules say in general, but what they mean for you.
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