The Biggest Mistakes Homeowners Make When Getting a Party Wall Agreement
- M.G Party Wall Experts
- Apr 15
- 4 min read

If the Party Wall process has come up on your project, it is very easy to treat it like just another admin step.
Some people do.
They assume they just need someone to serve the notice, get the paperwork done, and move things along.
But this is one part of a project where getting it wrong at the start can cause much bigger problems later on.
There are a few things most homeowners are not told clearly enough before they appoint a surveyor, and they only realise once they are already in the middle of it.
You cannot unappoint or change surveyors
This is probably the biggest thing to understand, and most people do not realise it.
Once a surveyor has been formally appointed under the Act, you cannot just change your mind and switch to somebody else because they are slow, hard to get hold of, poor at communicating, or simply not handling things well.
That is what makes this different from appointing most other professionals on a job.
If your architect is not great, you can replace them. If your builder is not performing, you can deal with that. If a surveyor is appointed under the Party Wall Act, it is not nearly that simple.
So if you choose badly at the start, you can end up stuck with that decision while the project is trying to move forward around it.
That is where the frustration starts.
Builders may already be lined up. Dates may already be booked in. You may be trying to keep momentum in the project. And suddenly one weak appointment starts affecting everything else.
The initial quote is not always the final cost of the process
This is another thing that catches people out all the time.
A lot of homeowners assume the only fee that matters is the one quoted by their own surveyor.
Very often, that is not the full picture.
If the adjoining owner wants to appoint their own surveyor, they are entitled to do so, and in most cases you as the building owner are responsible for their fees as well.
A lot of surveyors do not make that point clear enough at the start.
So people think they are comparing one simple quote against another, when in reality the overall cost can end up depending heavily on how the matter is handled once it gets going.
That matters because the adjoining owner’s surveyor will often charge by the hour.
So if your own surveyor is passive, slow, poor at replying, bad at progressing matters, or keeps letting things drag out, the other surveyor can end up spending more time on it.
And if that happens, you are the one paying for it.
That is why appointing a good surveyor is not just about getting the process done properly. It is also about keeping the whole thing under control before it turns into a much bigger bill than it ever needed to be.
If an Award is made and you are unhappy with it, it is not easy to undo
This is the other part people tend not to think about until much later.
If the matter goes into dispute, surveyor or surveyors will eventually produce a Party Wall Award.
That Award is not just a casual bit of paperwork. It is the formal outcome of the process.
So if it has been handled badly, or if an Award is produced that you are unhappy with, you are not in a nice easy position where you just ask for a few amendments and move on.
If you want to challenge it, you are into an appeal.
And in practice, by the time solicitors and court are involved, that can easily run to well over £10,000.
Most people obviously want to avoid getting anywhere near that stage.
Which is exactly why the choice at the start matters so much.
The best time to avoid a bad outcome is before the wrong person is appointed, not after.
Communication matters more than people expect
One of the most common complaints we hear all the time in Party Wall matters is not even the legal side of it.
It is the lack of updates.
At the start, everything sounds fine. Then once the appointment is signed and things are underway, replies slow down, updates become vague, and the client is left not really knowing what is happening.
That is where people start to feel uneasy.
You do not know whether the notice has gone out.You do not know whether the neighbour has responded.You do not know whether a site visit has been booked. You do not know what stage things are at. You do not know whether anything is drifting.
That uncertainty is bad enough on its own, but it is worse when you remember the first point: you cannot simply unappoint the surveyor and start again with somebody else.
So good communication is not a bonus. It is a major part of whether the process feels under control or not.
Not everyone offering Party Wall work is actually a specialist
Not everyone offering Party Wall work is actually a specialist.
Some deal with it every day. Others only pick up the odd case alongside other services.
That matters for the same reason as point 1: once appointed, they cannot simply be unappointed, so there is not always the same pressure to prioritise this work in the way there might be with other services.
It is also an unregulated area, so it is worth checking whether the surveyor is a member of an industry body such as the Faculty of Party Wall Surveyors.
Final point
Handled properly, the Party Wall process is usually manageable.
Handled badly, it can become one of the most frustrating parts of a project.
The main things homeowners should understand are these:
you cannot simply unappoint or change surveyors once they are formally appointed
if the neighbour appoints their own surveyor, you will usually be responsible for those fees as well
if matters go badly wrong and you want to challenge an Award, you can end up spending well over £10,000 doing so
We hope the above points have helped you to understand the Party Wall Process a little bit better. We offer free no-obligation consultations, so feel free to reach out if you'd like to discuss the specifics of your project.


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