Land finance is a short-term arrangement used to buy or refinance plots of land, fast. There are several uses for this style of finance against the land. These include bridging while seeking planning permission or to release short term funds.
The purchase of land, when you intend to apply for planning permission is considered by many as an ideal reason for bridging finance. Once permission has been granted, you would pivot to refinancing with development finance. This would allow the build to proceed.