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.
Berwick-upon-tweed
Berwick-upon-Tweed is a town inside the county of Northumberland. It is the northernmost town in England. It is situated 2.5 miles (4 kilometres) south of the Scottish border, at the mouth of the River Tweed, on the east coast . It's about 56 miles (90 km) to the south east of Edinburgh, 65 miles (105 kilometres) to the north of Newcastle upon Tyne and 345 miles (555 km) north of London. The 2011 United Kingdom Census recorded Berwick's population as roughly 12,000. A civil parish and town council were founded in 2008. Berwick was established as an Anglo-Saxon settlement through the time of the Kingdom of Northumbria, which was annexed by England during the 10th century. The area was, for over 400 years, central to historical border wars among the Kingdoms of England and Scotland, and numerous instances possession of Berwick changed hands between the two kingdoms. The final time it changed hands was when England retook it in 1482. Berwick is still a historic market town and also has some notable architectural features, particularly its medieval town walls, Elizabethan ramparts and Britain's oldest barracks buildings. Slightly more than 60% of the population is employed in the service sector, such as shops, hotels and catering, financial services and most government activity, such as health care. About 13 per cent is in manufacturing, 10% in agriculture, and 8% in construction. Some current and recent Berwick economic activities include salmon fishing, shipbuilding, engineering, sawmilling, fertilizer production, malting and the production of tweed and hosiery. For all your property improvements, make certain that you pick trusted pros in Berwick-upon-Tweed to make sure you get a great quality service.