The application fee for a householder planning permission in Hammersmith & Fulham is £548. Most homeowners see that number and think they know what they're in for. Most homeowners are wrong — until they see what applies to their exact address — free, in about a minute.
The short version
- The statutory householder application fee is £548, but that's rarely your only cost
- Hammersmith & Fulham has widespread conservation areas and Article 4 Directions that affect what's even possible
- Flood zones, listed building status, and neighbouring precedents can all shift your odds significantly
The £548 is just the entry ticket
Paying the application fee doesn't buy you approval — it buys you a decision. And in a borough as complex as Hammersmith & Fulham, that decision can go either way depending on factors that have nothing to do with how good your architect is.
There's also the Planning Portal service charge on top of the application fee, which applies to most online submissions. Then there are the costs that come before you even submit: architects, drawings, pre-application advice, structural surveys. By the time most homeowners in W6 or SW6 have a valid application ready to go, the £548 is a small fraction of what they've already spent.
And that's before anything goes wrong.
Conservation areas change everything — but not in the same way everywhere
Hammersmith & Fulham has a dense patchwork of conservation areas. Barons Court, Hurlingham, Fulham Palace, Old Oak and Wormholt — each one carries its own character appraisal and its own unwritten expectations about what gets approved.
Being in a conservation area is one thing. Knowing what that conservation area designation actually means for your specific project — a rear extension, a loft conversion, new windows — is something else entirely. Most homeowners don't realise that two houses on the same street can face entirely different constraints depending on when they were built, how they've been altered before, and what their neighbours have done.
Article 4 Directions
Article 4 Directions across many terraces in Hammersmith & Fulham remove permitted development rights that homeowners elsewhere take for granted. Window replacements and front-door changes that wouldn't need permission in most of England can require a full application here — and refusal is a real possibility.
Flood zones and listed buildings raise the stakes further
Properties along the Thames frontage sit in flood zones. That introduces an entirely separate layer of assessment — and potential costs — that doesn't show up in any headline fee figure. If your property is near Hammersmith Bridge or the Fulham Palace heritage area, listed building consent may also be required alongside planning permission, and that changes your professional fees, your timeline, and your risk profile.
None of this is theoretical. These are the things that turn a straightforward project into a six-month process, or a refusal that costs you everything you've spent so far.
What your neighbours got approved matters more than you think
The best way to understand your real chances isn't to read the policy — it's to know what's actually been approved and refused on your street, for your project type, on properties like yours. That's the information that tells you whether your £548 is the start of a smooth process or the beginning of a much more expensive one.
WhatCanIBuild pulls together the approval record for your area so you can see how similar projects on your street have fared and what it means for your odds — no signup required.
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