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.
Crewkerne
Crewkerne is a community as well as electoral ward in Somerset, England, situated 9 miles (14 km) south west of Yeovil and also 7 miles (11 kilometres) eastern of Chard in the South Somerset district near the border with Dorset. The civil parish of West Crewkerne consists of the districts of Woolminstone and Henley. The community rests on the River Parrett, A30 road and also West of England Main Line railway. The earliest created document of Crewkerne is in the 899 will of Alfred the Great that left it to his youngest kid Æthelweard. After the Norman conquest it was held by William the Conqueror and also in the Domesday Survey of 1086 was described as an imperial mansion. Crewkerne Castle was perhaps a Norman motte castle. The community grew up in the late mediaeval period around the fabric sector, its wealth maintained in the fifteenth century Church of St Bartholomew. Throughout the 18th as well as 19th centuries the major industry was cloth production, consisting of webbing, and sails for the Royal Navy. Neighborhood environmental sites include the Bincombe Beeches Local Nature Reserve and the Millwater organic Site of Special Scientific Interest. Crewkerne railway station is served by South Western Railway on the primary south western railway line. There are regional supermarkets as well as local stores, and some local market. The town is the birthplace of a number of significant people and has actually differed cultural as well as sporting centers consisting of those at Wadham Community School.