Posted by Boutin Aceline on Tuesday, 8 October, 2019 07:55:47
In London and some parts of the South East, these figures could be between £1,800-2,200 per m2. See our separate post on house extension costs in London and the South East here. So, for your 4 x 5m extension, the build cost would be roughly £30,000.
Single story extensions can cost anywhere between $1,350 per m2 to $2,100 per m2. This cost depends largely on the type of materials you use and the design you choose. According to Domain , the cost of adding an 80-square-metre ground-floor extension ranges from $164,526 to $310,896.
The house extension cost will depend on your specific requirements in terms of design and structure. With a large range of varieties available with customisable options and accessories, you can create a house extension that fits with your preferred budget and at a cost that is suitable to you.
Estimate your project costs instantly with Build It's interactive self-build cost calculator. Find out how much it will cost to build your house, including total building costs and a price per square metre
According to a Wisetradesmen customer survey of home renovation costs, the average cost of a home extension is £25,000 A Double Storey Extension costs between £45,415 and £76,000 A Single Storey Extension costs between £22,916 and £37,000 Planning and Preparation for a home extensions costs between £5,132 to £10,150
The average cost per m2 for an extension outside of London is between £1,200-£1,500. In London and the South East, the average cost per m2 is around £1,500-£2,000+. For two-storey extensions, add 50% to the cost of a single-storey extension. If you want to add a bathroom or kitchen, add £5,000-£10,000.