It depends on the style and size of the conversion, but in general, a loft conversion will take between 1-2 months. A loft conversion is a substantial building project, and plans will need to be drawn up. This may add to the time it takes to complete your loft conversion.
Harleston
Redenhall with Harleston is a civil parish in the South Norfolk district of the English region of Norfolk, comprising the community of Harleston and also the neighbouring village of Redenhall. It covers an area of 13.73 km2 (5.30 sq mi), and also had a population of 4,058 in 1,841 homes at the 2001 census, the population raising to 4,640 at the 2011 census. Several Georgian residences and a lot earlier structures, with Georgian frontages, line the streets of Harleston. Although there is no record of a royal charter, Harleston has actually been a market community considering that at the very least 1369 and still holds a Wednesday market.