How Much Would A Flat Roof Extension Cost

The average build cost figures used by the extension cost calculator are based on three different size ranges that reflect the economies of scale achieved by constructing larger extensions.

How much would a flat roof extension cost. Or i f you want a premium quality extension the cost to build calculates to about 1 400 m 2 to 2 000 m 2. Average cost the average cost for a patio roof addition using low maintenance wood patterned aluminum runs for about 6 000 to 10 000 for an area of 20 by 20 feet as of 2011. Adding a wood lattice roof can range between 500 and 10 000. Flat roof extensions cost from 700 lowest possible and can reach up to 3 000.

About 15m 2 between 1 2 000 and 16 000 in total. A screen can be added for an additional cost of 3 000 to 4 000. More details can be seen in the table below. Well before you go dreaming of sky lights and kitchen islands take a look at our house extension cost calculator below to determine how much you may expect to pay for the labour costs in england and wales.

Meanwhile an estimate for the build cost of a double story extension would be roughly double the single story quote. About 48m 2 between 38 000 and 52 000 in total. However if you want a basic quality extension the cost to build calculates to about 800 m 2 to 1 000 m 2. About 24m 2 between 19 000 and 26 000 in total.

You can expect to pay about 1 500 2 000 usd per m2 for a single story extension with variation depending on the four details listed above. Size a small roof will be more affordable than a large roof. Flat roof cost per square metre.