If you’ve priced a build with more than one contractor in Ghana, you already know the frustration: ask three people for a quote and you get three completely different numbers, and then even the number you picked keeps moving once work actually starts. It’s easy to assume someone’s overcharging you, or that the contractor you chose just isn’t very good at estimating. Usually that’s not what’s happening at all.
Here’s the real reason contractor quotes in Ghana keep changing: most of the time, nobody’s actually pricing the same house.
A quote is only as good as what it’s quoting
Think about what a contractor actually has to work with when you hand them a verbal description and maybe a rough sketch. Wall thickness, window sizes, roof pitch, how many bathrooms, what the finishes look like — none of that is nailed down. So the contractor fills in the gaps themselves, using their own assumptions about what you probably want. Ask three contractors to do that and you’ll naturally get three different houses, priced three different ways, even though everyone thinks they’re quoting “the same job.”
That’s also why the number moves once the build is underway. It was never really a fixed quote — it was an estimate built on assumptions, and assumptions have a way of turning out wrong once the actual site, the actual soil, and your actual preferences show up. The contractor isn’t being dishonest when the price creeps up. They’re correcting for guesses they had to make because there was nothing solid to price against in the first place.
What actually fixes this
The fix isn’t finding a more honest contractor. It’s giving every contractor the same fixed thing to price. When you hand over a full drawing set — floor plans, elevations, sections, all dimensioned — there’s no more filling in the gaps. Every contractor you approach is pricing the exact same house, down to the wall thickness and the window sizes. Quotes still won’t be identical, because labour rates and material sourcing differ contractor to contractor, but they’ll be comparable in a way that verbal-description quotes never can be. You’re finally looking at apples next to apples instead of three different guesses wearing the same price tag format.
It also protects you mid-build. When the drawings are the reference point everyone agreed to upfront, “the price changed” has to mean something actually changed on site — not that the contractor is quietly re-pricing their own assumptions as they go.
Want to go one step further?
A drawing set fixes the scope. A Bill of Quantities fixes the price. Once you know exactly what you’re building, our Bill of Quantities service breaks that down into the actual materials, quantities, and costs involved — so when a contractor’s number doesn’t match, you can see exactly where the difference is, line by line, instead of just taking their word for it.
If you haven’t got drawings yet, that’s the place to start. Browse our house plans — they start at ₵1,250 and come as a complete, dimensioned set, ready to hand to any contractor you’re getting quotes from.
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