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.
Calstock
Calstock is a civil parish and also a huge town in south east Cornwall, England, United Kingdom, on the boundary with Devon. The town is positioned on the River Tamar 6 miles (9.7 kilometres) southern west of Tavistock and also 10 miles (16 km) north of Plymouth. The church had a population of 6,095 in the 2001 census. This had raised to 6,431 at the 2011 census. The parish includes 5,760 acres (23.3 km2) of land, 70 acres (0.28 km2) of water, as well as 44 acres (0.18 km2) of the tidal Tamar. Ashburton Hotel as well as Danescombe Quay ignoring the River Tamar In addition to Calstock, various other negotiations in the church include Albaston, Chilsworthy, Gunnislake, Harrowbarrow, Latchley, Metherell, Coxpark, Dimson, Drakewalls, Norris Green, Rising Sun and St Ann's Chapel. Calstock village is within the Tamar Valley AONB, is ignored by Cotehele house and gardens, and also lies on the beautiful Tamar Valley railway. Calstock railway station opened on 2 March 1908. The town is twinned with Saint-Thuriau in Brittany, France.