How Much Does A Ground Floor Extension Cost

This cost depends largely on the type of materials you use and the design you choose.

How much does a ground floor extension cost. For a double storey extension you are looking at about 160 of the cost for a single storey extension of the same floor area. However in reality our build came up much less but partly because it is a simple square ish extra room. The cost will vary depending on size but you can expect to achieve this type of house extension for every budget between 30 000 and 50 000.

The average build cost figures used by the extension cost calculator assume straightforward ground conditions and a. You ll find small companies will usually charge 10 to 15 per cent less than large companies. It should add value to your home as well as transforming the space.

Speaking to our experts we have established that the basic price of building an extension is 1 100 to 1 400 per square metre. A typical conversion with a rear dormer in a mid terrace property costs around 35 000. How much does an extension cost.

There are so many home extension ideas to choose from that there is one to suit any budget. 2 000 per square metre for ground floor extensions. These prices don t include vat charged at 20.

According to domain the cost of adding an 80 square metre ground floor extension ranges from 164 526 to 310 896. Floor and wall finishes could be 30 per m 2 to 300 per m 2. For example a single storey 25 square metre extension may cost 33 000 a two storey extension will be around 53 000.

A rough building cost would be 45 000. See the bottom of the page for how much my extension ended up costing. But overwhelmingly the easiest place to have a big effect on the projected cost is in the fittings and finishes.