How Much For A Ground Floor Extension

These prices are for for a good quality extension.

How much for a ground floor extension. These prices don t include vat charged at 20. However in reality our build came up much less but partly because it is a simple square ish extra room. How much will it cost.

Two storey side or rear extensions are more cost effective than single storey extensions coming in at around 1 320 to 1 620 per m for a standard build so with this budget you could extend by at least 35m sufficient space to add a large kitchen and or living room extension on the ground floor with two new bedrooms and a bathroom above. The average build cost figures used by the extension cost calculator assume the same costs per square metre for constructing a full basement as used for calculating ground floor space. If you have good diy skills do some of the more basic work yourself.

For a 30 sqm extension ground floor side return. You won t know the exact cost of a home extension until you ve made plans and know how large the extension is going to be and what will be included in the extension. A side return extension sometimes called a side infill fills in dead alleyway space at the side of a property.

1 500 per square metre for upper floors extensions per floor. 2 000 per square metre for ground floor extensions. That works out to between 2056m2 and 3875m2.

If you have time consider being your own project manager. 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. A rough building cost would be 45 000.

So for a 20msq extension 4m x 5m the cost will range from 22 000 to 28 000. Our extension is 5m by 4 5m so 22 5 square metres. These alleyways are commonly found attached to victorian or period terraces and are a good alternative to a rear extension as they do not sacrifice any garden space.