Land is where buyers get caught out on Koh Samui. A plot can look perfect in a photo and be unbuildable in practice. The good news is that the risks are knowable, and they come down to six questions.
Key takeaways
- Compare land per rai (1 rai = 1,600 sqm), never by total price.
- A gradient under 35% is generally workable; steeper needs an architect.
- Confirm the title, road access, water, electricity and whether the plot is ready to build.
- We publish all six answers on every land listing.
The six checks
Get honest answers to all six before you fall in love, and you will not be surprised later.
- Title grade: is it a Chanote or a lesser grade?
- Slope: under 35% is generally workable; steeper limits height and raises cost.
- Road access: concrete road or a track, and is the access registered on the title?
- Water: government mains at the boundary, or a well and storage?
- Electricity: connected, available at the boundary, or merely coming soon?
- Preparation: filled and levelled and ready to build, or inheriting the earthworks?
Slope decides what you can build
Koh Samui restricts hillside development. As the gradient increases, permitted height and storey counts fall, and retaining and structural costs rise sharply.
Access, water and power
Is there a concrete road to the boundary, or a dirt track that floods in November? And is access a registered right of way on the title, or an informal arrangement with a neighbour? Building an access road is your cost, not the seller’s.
For utilities, the difference between government supply connected, available at the boundary, and merely coming soon is significant money. A deep well and storage work, but they are a different cost base.
How we list land
Compare land per rai, never by total price. The headline number tells you almost nothing until you know the plot size and position.
Samui Elegance Real Estate
We publish these answers in every land listing: title grade, slope, road access, utility availability, preparation status and price per rai.
Frequently asked questions
How is land priced on Koh Samui?
Compare per rai, never by total price. One rai is 1,600 square metres. Prices range from a few million baht per rai inland to tens of millions per rai on the beachfront, with position driving the number far more than size.
What slope is buildable on Koh Samui?
A gradient under 35% is generally workable within the hillside rules. Above that, permitted height and storeys tighten and retaining costs rise, so get an architect’s assessment before buying.
Do I need government water and electricity?
Not necessarily, but you must know which you are getting. Mains supply at the boundary is cheapest; wells, storage and solar are common alternatives but change the cost base.
What does filled and levelled mean?
The plot has been built up and graded flat, ready for foundations. On Koh Samui most raw land needs this, and it is often a substantial fraction of the land price, so a prepared plot with the cost included is worth more than it looks.
Thinking about a plot?
Send it to us and we will give you the title, slope, access and utility position in writing before you get attached to it.
