Extension cost per sq mtr

[DonDonson]

hi all, as per title is there a way of finding out what sort of price per sq mtr a good builder should charge for a ground floor brick extention with a pitched tiled roof ? In the Essex Herts area.
Thanks.

 

[freddiemercurystwin]

Around £1000-£1200 per m² but maybe more depending on where you live. Not including things like a kitchen or bathroom or the breakthrough into the extension or any proffesional fees.

 

[DonDonson]

Thanks ever so much, great help, I really appreciate it.