Oreham Common covers 5.6 hectares to the south east of the village and is a designated Local Wildlife Site
Local Wildlife Sites (LWS), formerly known as Sites of Nature Conservation Importance, are non-statutory sites that contain features of substantive nature conservation value.
Oreham Common is a registered common, It consists of herbārich damp grassland with areas of tall-herb wetland vegetation and two ponds.
There are areas of dense scrub and some deciduous woodland.