Picking the right builder takes time.
You chase references, sit through meetings, compare experience and ask as many questions as you can think of. Then the quotes arrive, and one comes in lower than you expected. So you sign, thinking all that research has just put thousands back into your pocket.
But that number only means something if you understand what’s sitting underneath it.
Surely the Quote Covers the Whole Job?
You’d think so – but listen to this.
A few years ago, we priced a second-storey addition in Redland Bay. Another builder was quoting the same project and came in $60,000.00 cheaper than us.
Of course, the homeowners went with them. Why pay an extra $60,000.00 for what looked like the same renovation?
But once the job was moving, it came out that the other quote had completely missed the floor system for the new second storey. That was roughly $35,000.00 of work that had never made it into the price – and a second level can’t be built without a floor underneath it.
At that point, there are only a few ways the problem can go. Either the homeowner gets handed an unexpected bill, the builder absorbs the loss, or money starts getting pulled from other parts of the project to make up for it.
That’s why the number at the bottom can’t tell you everything on its own.
The Four Places the Final Price Can Move
Before you decide which quote is cheaper, check whether these four parts are actually telling the same story:
- Exclusions
- Allowances
- Scope
- Quantities
None of these is automatically a red flag. Every renovation quote will contain some uncertainty, especially when selections haven’t been finalised or parts of the existing home can’t be fully inspected yet.
The problem starts when these four areas aren’t explained clearly.
Fortunately, you don’t need to become an estimator to check them. You simply need to know what each one does and the question to ask before you move forward.
Quote Check #1: Exclusions
What’s Sitting Outside the Price?
Every quote is going to have a few exclusions, and that’s not automatically a problem.
For example, we don’t usually get some special builder-only deal on appliances that you can’t get yourself. So in a lot of cases, it makes more sense for you to choose exactly what you want, buy it in your own name and keep the warranties with you.
That’s a straightforward exclusion. Everyone knows why it’s there, who’s handling it and what still needs to happen.
The trouble starts when something is left out and nobody really explains what that means for you later.
For instance, maybe the builder has allowed to paint the new work, but you’re expecting the whole connected living area to be repainted so everything matches. Or the tiles haven’t been chosen yet, so the supply has simply been left out for now.
That doesn’t necessarily mean anything has been done wrong.
But you do need to know what happens when that item comes back into the job.
For every exclusion, ask: Why has it been excluded? Who is responsible for supplying or arranging it? What is it likely to add to the project later?
If the builder can answer those three questions clearly, you know where you stand.
And that’s really the point. You don’t need every item included in the quote, but you do need to understand what still sits outside the number at the bottom.
Quote Check #2: Allowances
Is There Enough in There for What You Actually Want?
Allowances are one of the easiest parts of a quote to misunderstand.
Say your renovation quote comes in at $500,000.00, and somewhere in the detail there’s $80,000.00 allowed for tiles, tapware and appliances.
A lot of people look at that and think the job is really $580,000.00, when in reality, that $80,000.00 is already included in the $500,000.00 total.
What the allowance is really saying is, “We haven’t picked the final product yet, so this is the amount we’ve put aside for it.” If you spend less, you get the difference back. If you spend more, you pay the difference.
So if we’ve allowed $25,000.00 for tiles and the tiles you choose come to $55,000.00, that extra $30,000.00 has to come from somewhere.
We’ve seen kitchens allowed at $10K when the cabinetry and stone were realistically closer to twice that.
That’s not necessarily the builder getting it wrong. More often it’s a communication gap. They’ve allowed what’s typical for a job like yours, and you’ve got something quite different in mind – but unless you’ve told them what you’re picturing, they’ve got no way of knowing. Which means the responsibility runs both ways.
That’s why I wouldn’t just ask whether there’s an allowance in the quote. I’d ask whether it’s enough for the sort of finish you’ve actually got in mind.
Before signing, ask: What quality of product does this allowance realistically cover? If possible, look at examples.
Does the tile allowance cover a standard porcelain tile or the large-format natural stone you’ve been saving on Pinterest? Does the tapware allowance match basic chrome fittings or the brushed brass range you’ve already discussed?
The closer those allowances are to the products you’re likely to choose, the more reliable the total at the bottom becomes.
Quote Check #3: Scope
Does the Quote Match the Renovation You Think You’re Getting?
Did you know that you and your builder can look at the same set of plans, have two different pictures in your heads, and still both walk away thinking you’re on the same page?
Let’s use painting as an example again.
You might assume that if we replace a window on the front of the house, the whole wall will be painted so it all matches. Another builder might only allow to paint the small section they’ve touched around the window.
Technically, they’ve done what was shown. But when you stand back and see one freshly painted patch sitting in the middle of an older wall, you’re probably not going to be happy with it.
That’s the sort of conversation we try to have before the quote is finished.
How far is the painting going? Which windows are actually being replaced? Is the whole wall being rendered, or only the section we’ve worked on? Are the outside lights staying, or did you expect all of them to be changed while the electrician is there?
A lot of those details aren’t obvious from the plans alone. They only come out when the builder, the trades and the homeowner walk through the job and talk about how it’s meant to look when it’s finished.
Otherwise, the quote may be accurate for what’s written down, but not for the renovation you thought you were getting.
Before you sign, ask: If this quote is followed exactly as written, will the finished job look the way I’m expecting it to look?
That’s a much more useful question than simply asking whether something is “included.” And if there are phrases like “affected areas,” “as required,” “by owner” or “existing to remain,” get the builder to explain exactly what that means on your home.
Quote Check #4: Quantities
Do the Obvious Numbers Look Right?
Now, I’m not expecting you to sit there and check every metre of skirting board, every sheet of plasterboard or every piece of timber in the job.
Most homeowners wouldn’t have the software or the building knowledge to verify all of that anyway. But you can still look over the obvious things and ask whether they make sense:
- If the quote has eight toilets in a four-bedroom home, ask why.
- If you’re renovating three bathrooms and there’s no tile supply listed anywhere, ask where it is.
- If there are 200 square metres of tiles allowed for and you can’t work out how the project would need anywhere near that much, bring it up.
You’re not trying to catch the builder out or prove the estimate is wrong. You’re simply checking that the quote looks like it belongs to your renovation.
Before you sign, ask: Do the main quantities make sense for what we’re actually building?
Start with the things you can easily picture around the home: the toilets, basins, showers, doors, windows, appliances, rooms being painted and areas getting cabinetry or tiles.
If one of the obvious numbers looks strange, it’s worth asking about it now rather than finding out later that something was missed or measured against the wrong plan.
Make Sure You’re Comparing the Same Finished Job
When two quotes land on the table, it’s natural to look at the totals first. But before you decide one builder is $50,000.00 cheaper, make sure both quotes are actually taking you to the same place.
Ask both builders to walk you through the exclusions, allowances, scope and major quantities. Once those four things line up, you can compare the prices properly. Until then, you may be comparing one complete renovation with another quote that still has pieces sitting outside it.
Before You Sign Anything
Getting clear on the quote is a strong start, but it’s not the only place where an early assumption can cost you later.
That’s why we put together a free guide:
The 5 Mistakes People Make When Planning Their Renovation, and How to Avoid Them
It walks you through the early decisions that tend to create the biggest problems later, so you can plan the project with fewer assumptions, fewer surprises and a clearer idea of what you’re committing to.
Grab your free copy here and make sure the quote you sign is the quote you understand.
You can also check any builder’s licence and standing through Master Builders Queensland.
Planning a renovation in the Redlands or Brisbane southside? Contact Swanson Constructions or call us on 0489 080 958 to make sure the quote you sign is the quote you understand.
Renovation Quote Checklist: Common Questions
What should you check before signing a renovation quote?
Before signing, check the four places a final price can move: exclusions (what sits outside the price), allowances (whether the money set aside suits the finish you want), scope (whether the quote matches the renovation you picture), and quantities (whether the obvious numbers make sense). Once those four line up, you are comparing quotes properly, not just totals.
Why can one renovation quote be much cheaper than another?
Often because something has been left out or under-allowed. On one Redland Bay second-storey addition, a rival quote came in $60,000 cheaper but had missed the floor system for the new storey, around $35,000 of work that a second level cannot be built without. A lower total can simply mean a less complete quote, so always check what sits behind the number.
What are allowances in a renovation quote?
An allowance is money set aside for an item that has not been finally chosen yet, such as tiles, tapware or appliances, and it is already included in the quote total. If you spend less you get the difference back; if you spend more you pay it. Ask whether each allowance realistically covers the quality of finish you actually have in mind.
What is the difference between exclusions and scope?
Exclusions are items deliberately left outside the price, like appliances you buy in your own name. Scope is what the quoted work actually covers, for example whether a whole wall is repainted or only the section around a new window. Both need to be spelled out clearly so the finished job matches what you are expecting.
How do you compare two renovation quotes fairly?
Ask both builders to walk you through their exclusions, allowances, scope and major quantities. Once those four things line up, you can compare the totals properly. Until then you may be comparing one complete renovation against another quote that still has pieces sitting outside it.
Related Articles