This depends on the amount of insulation already present in your property. However, adding insulation has been proven to improve the energy efficiency of your home and decrease your heating bills, this is more obvious in older properties or where single glazing is still in situ.
Fort William
Fort William is a settlement in the Highlands of Scotland. Originally founded on the still-extant village of Inverlochy, the town is found at the southern end of the Great Glen, Fort William lies in close proximity to the head of Loch Linnhe, among Scotland's longest sea lochs, near the mouth of the rivers Nevis and Lochy. It is close to Ben Nevis, the highest mountain in the British Isles, Glen Nevis and the town of Achnaphubuil is on the opposite bank of the loch. When the railway opened to Fort William on 7 August 1894, the station was provided prime position at the south side of the town. The effect was that the town was disconnected from the lochside by railway tracks prior to the 1970s when the current by-pass was constructed, and the station was re-located to the north side. According to the 2001 Census, it has a permanent resident population of close to 9908. This makes Fort William the 2nd largest settlement in the Highlands of Scotland and the largest town: only the city of Inverness is larger. Within this population, around 726 people, forming 7.33 per cent of the population, can speak Gaelic. Fort William is a notable tourist centre, with Glen Coe just to the south, Aonach Mòr to the east and Glenfinnan to the west, on the Road to the Isles. It is a centre for hillwalking and climbing a result of its vicinity to Ben Nevis and a number of other Munro mountains. It is also known for its neighboring downhill mtb track. It is the start and end of both the West Highland Way (Milngavie-Fort William) and the Great Glen Way (a walk/cycle way Fort William-Inverness). For all of your home improvements, make sure to identify respected specialists in Fort William to make certain of quality.