Building An Extension:
What Will It Cost?
When planning an extension to your home you will have spent some time working out exactly what you want from that extra space. Before you go too far planning and building your extension, we would suggest that you have a rough idea of how much it is likely to cost.
Below is a rough guide to how much the building cost of an extension may be, based on the internal floor area on flat ground with no obvious problems:
On top of the building cost, you will also need to allow for all or some of the following fees:
Please contact 3HW to get a more accurate budget estimate and to advise you on any extra costs your particular project may require. Our minimum fee of £2500 plus VAT will include highly detailed drawings and information which will be sufficient for Planning and Building Regulations applications as well as for the builder to construct from, thus reducing the likelihood of extra costs further into the project.