Like the layers of caramel shortbread slipping over one another in the hot sun, in a translational landslide the mass moves along a roughly planar, flat, surface with little rotation or backward tilting.
According to a customer the average cost of a home extension is Â£25,000. A Double Storey Extension costs between Â£45,415 and Â£76,000. A Single Storey Extension costs between Â£22,916 and Â£37,000. Planning and Preparation for a home extensions costs between Â£5,132 to Â£10,150.he approximate price of a timber extension to work on is around Â£1200 per square meter based on Evis Build for a 60 square meter rear extension. For a double storey extension, you should consider about 160% of the price for a single storey extension of the same floor area.
1 For example, a House Extension in London may cost more than a House Extension in Manchester, only because the cost of building is greater in London than in the North West.n London loft conversion prices usually cost up to Â£50,000 though throughout the UK the average seems to be around the Â£20,000 â Â£35,000 mark.