In most areas, you will not need planning permission. However, if the property is listed or in a conservation area, you will need listed building consent or planning permission to paint the exterior. A surveyor or architect's advice will be invaluable as they can help with this process.
Newcastleton
Newcastleton, is a village in the Scottish Borders, a couple of miles from the boundary with England, on the Liddel Water. It is the site of Hermitage Castle. Newcastleton is 10 mi (16 kilometres) east of Langholm, 17 mi (27 km) south of Hawick, 24 mi (39 kilometres) north of Carlisle and 74 mi (119 kilometres) south of Edinburgh. Newcastleton was built as a result of the land clearances in the 1790s when people were required to move from Old Castleton village. There has actually been a folk festival at Newcastleton considering that 1970. "Copshaw Holm" (one more name for the village) is celebrated in the track "Copshawholm Fair", written by David Anderson in 1830, as sung by Willie Scott among others.