Most Wandsworth homeowners assume planning permission is just a fee you pay and a form you fill in. The reality is considerably messier — and considerably more expensive — than that.
The short version
- The standard householder application fee in Wandsworth is £548
- That fee covers submission only — it doesn't account for the full picture
- Conservation areas, Article 4 Directions, listed buildings and flood zones all affect what you need and what it will cost
The £548 is just the entry ticket
Wandsworth Council charges £548 for a householder planning application. Pay it, submit, wait up to 8 weeks. Simple, right?
Except the application fee is rarely where the money goes. Depending on your property, you may need a heritage statement, a flood risk assessment, a bat survey, a design and access statement, or pre-application advice before you even get to submission. Each of those adds cost. Most homeowners don't realise any of this until they're already mid-process.
And if your application is refused? The fee isn't refunded. You start again.
Before you get too far down that road, it's worth taking a minute to find out what your property's constraint mix actually means for your project — free, takes about a minute.
Where Wandsworth gets complicated
Wandsworth has a lot going on beneath the surface. There are numerous conservation areas — Battersea, Clapham Common West Side, Wandsworth Common, Putney, and more. Article 4 Directions restrict external alterations to Victorian terraces in parts of Clapham and Battersea. Listed buildings cluster around Battersea Park and Putney High Street. Flood zones run along the Thames, touching riverside properties in Battersea, Putney, and Wandsworth town itself.
Every one of those designations changes the calculus. Not just whether you need permission — but what supporting documents you need, how long it takes, and how likely approval actually is.
The catch: many homeowners don't know which of these apply to their property until they're already in the process. Being in a conservation area is one thing. Knowing what that conservation area designation actually means for your specific extension, loft, or outbuilding is another question entirely.
Don't assume your neighbour's project sets a precedent
Two houses on the same street can face completely different planning conditions. A recent approval next door tells you very little about your own chances — the best way to know is tocheck what's actually been decided on properties like yours nearby.
The hidden costs most people don't budget for
Beyond the application fee, costs that commonly catch Wandsworth homeowners off guard include:
- Pre-application advice — Wandsworth Council offers a paid pre-app service. Useful, but it adds to your outlay before a decision is even made
- Professional fees — architects, planning consultants, structural engineers. Often unavoidable, especially in conservation areas
- Additional reports — flood risk assessments, heritage impact statements, arboricultural reports. Required by condition in certain zones
- Resubmission costs — if you get it wrong the first time, you're back to the start
None of this means your project isn't worth pursuing. It means the total cost depends heavily on what your property is, where it sits, and what you're trying to do — and that's not something a flat fee table can tell you.
What your odds actually look like
Approval rates vary across Wandsworth, and they vary by project type. A rear extension in a flood zone near the Thames carries a different risk profile than the same extension two streets back. A loft conversion on a Victorian terrace under Article 4 is a different conversation to one on a post-war semi.
The best way to understand your real exposure — what similar projects near you have been approved or refused, and what that means for your specific application — is to see the approval record for your street and what it means for your project, no signup needed.
Want a detailed planning report?
Get a personalised report covering constraints, precedents, and approval odds for your project.
See a sample report