Land in Phuket and Thailand is always measured in talang wa or rai.
A wa is 2m in length and a talang is ‘squared’, therefore 4m2 = a talang wa, and there are 400 wa in a rai. A rai therefore is 1600m2 and can also be split up into 4 ngan (of 100 wa each). Typically a villa will occupy about 150 to 200 talang wa. The Thai prefer to spend most of their budget on the building and will therefore build a modest home on 100 talang wa or less, but it’s not uncommon to develop on a whole rai with a nice tropical garden, depending on the area. In Phuket a rai will sell anywhere from 1 million baht in a coconut grove in a remote but accessible corner of the Northeast coast, to 10 million baht and upwards near the beachfront. In Chalong expect to pay about 4 million baht.
1 talang wa = 4m2
100 talang wa = 1 ngan (not commonly used anymore)
400 talang wa = 1 rai
1 rai = 0.42 of an acre
1 rai = 0.16 of a hectare
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