First Floor Extension Cost Per Square Metre

1 500 per square metre for upper floors extensions per floor.

First floor extension cost per square metre. In london and the south east the average cost per m2 is around 1 500 2 000. The average cost per m2 for an extension outside of london is between 1 200 1 500. The average cost per square meter will depend on the complexity of alterations required to the existing structure and assumes the walls and floor are structurally sound and suitable for conversion. Builders costs can vary but the biggest variations in the per square metre cost of extensions are usually in the inclusions.

Tips to cut the cost of your extension. This may well be more helpful than a basic cost per square metre as you can see how these projects compare to your own renovation and extension plans. So for a 20msq extension 4m x 5m the cost will range from 22 000 to 28 000. While the cost per m2 is high it could still represent great value in urban centres or where other types of extension aren t viable.

In london and the south east the same work could cost you between 1 500 and 2 000 per metre square. 2 000 per square metre for ground floor extensions. The calculator reduces the average cost per square metre for new extensions m by 10 to reflect the economies of using the existing structure. These prices don t include vat charged at 20.

A rough building cost would be 45 000. If you want to add a bathroom or kitchen add 5 000 10 000. If you have good diy skills do some of the more basic work yourself. If you have time consider being your own project manager.

Speaking to our experts we have established that the basic price of building an extension is 1 100 to 1 400 per square metre. Choose a simple design the most cost effective floor plan is square future buyers will appreciate neutrality too plan ahead as much possible. Ground floor renovation and extension in london se9. Overall this could cost you a minimum of 40 000 at the lower bracket and 65 000 in london.

For two storey extensions add 50 to the cost of a single storey extension. This cost depends largely on the type of materials you use and the design you choose. Outside the difference between timber and brick veneer is about 150 per square metre but full brick will be more and if you add rendering the cost per square metre will be even higher. Project by suzanne see her profile here and shortlist her for your project.

As of last year the estimated cost of a single storey extension outside of london fell anywhere between 1 200 and 1 500 per metre square. Loft conversion cost guide our benchmark loft project is based on a straightforward conversion that creates 40m2 of internal floor area. According to domain the cost of adding an 80 square metre ground floor extension ranges from 164 526 to 310 896. Single story extensions can cost anywhere between 1 350 per m2 to 2 100 per m2.