It depends on the size and type of extension. Small porches or flat roof extensions are very reasonably priced. More substantial two storey extensions can be expensive. In general, the price is roughly proportional to the amount of space you add to your home.
Longhope
Longhope is a village in west Gloucestershire, situated within the Forest of Dean, England, UK. Arthur Bullock, that was born in Longhope in 1899, described its location as adheres to: The church inhabits the most easterly valley in the group of hillsides which exist between the Severn as well as the Wye. The name means long valley. It is about four miles long, running roughly north to south, and also it is divided from the Severn valley by a range of hillsides containing May Hill (937 ft), Huntley Hill, Blaisdon Hill and Notwood Hill.' The village falls in the 'Blaisdon as well as Longhope' electoral ward. This ward has Longhope in the north as well as Blaisdon as its smaller sized southerly neighbor. The complete ward population taken at the 2011 census was 1,754. May Hill is a popular site as well as the ownership of the summit is vested with Longhope Church Council. Little London is part of the Church of Longhope and is found to the north of the village leading to the adjoining town of Huntley. Little London got its name as lots of families from London were evacuated to the safety and security of the countryside throughout the Second World War. After the battle, a variety of the family members remained in Longhope as well as the surrounding areas.