Offering properties for “sale” to foreigners under a long term registered lease is becoming the norm for new developments in resort areas. Even condo developments limited to offering 49% of their freehold capacity to foreigners may offer the remaining units to foreigners on a long term leasehold.
If however you are considering purchasing a resale villa [...]

Land Purchase
Thai law stipulates that a foreigner may not own land in his name, he has the right of ownership of buildings only. If a foreigner wishes to purchase land to build a property he has 2 options.
The land is purchased on a 30 year leasehold, with an option to extend the [...]

One of the legal headaches limiting access of foreign buyers to the Thai real estate market is that Thai laws currently limit foreign buyer freehold purchases of condominium units to percent of the total area (reserved for private ownership) of a condominium building at any one time.

While this limitation is rarely [...]

TRANSLATION of Thailand Condominium Act, including recent 2008 amendment. This translation is for INFORMATION purposes ONLY. This is a reasonably accurate translation, but the original Thai Condominium Act may have different wording or meaning. Consult a Thai condominium lawyer or obtain the legal services of a law firm [...]

For those of you considering buying land and building a house here in Thailand, you will need this importanat document which you can copy/paste
http://www.siamrealestate.com/docs/Environment-Quality-Promotion-and-Preservation-2546-Siam-Real-Estate.pdf
The above has now been supeceded see below Phuket Zoning Law