You may need planning permission if you are planning a larger extension. All extensions will need building regulations approval. An architect can assist with this and if planning permission is required. A reputable contractor will also be able to advise you if this is needed as well.
Invergarry
Invergarry (population 438) is a town in the Highlands of Scotland. It is in the Great Glen, near where the River Garry flows into Loch Oich. Near the centre of the town is the joint between the A82 road (from Inverness to Fort William) and the A87 road which branches off to the west in the direction of Skye. The wrecked Invergarry Castle is positioned near the village on Creagan an Fhithich (the Raven's Rock), overlooking Loch Oich. Along with playing host to the neighborhood shinty club, Glengarry Shinty Club, it is the residence town of shinty legend, James Clark. It has a Primary School with a roll of 33.