Calculator

You can calculate the potential cost of your home extension project using our free calculator tool. This takes into account the costs of foundation, underbuilding, new walls, floor, roof, internal & external lining, windows, doors and electrical supplies. All you have to do is input the following information:

Home extension componentsDescription		Unit

FOUNDATIONS & UNDERBUILDING	Please specify the total length of the foundations in meters		m	120.00	0.00

NEW EXTERNAL WALLS	Please enter new external wall surfaces in square meters (calculator will calculate new external wall including external lining)		m2	240.00	0.00

NEW PARTITIONS	Please enter a partition wall surface in square meters		m2	55.00	0.00

ROOF	Please enter roof space in square meters		m2	150.00	0.00

INTERNAL LINING	Please indicate the total area of both the walls and ceiling in square meters (remember that the partition walls require finishing from both sides)		m2	40.00	0.00


EXTERNAL DOORS	- Number of external lever (external doors)			200.00	0.00

WINDOWS	- Total number of windows (including Rooflights, Veluxes, etc.)			300.00	0.00

INTERNAL DOORS	- Number of internal doors			150.00	0.00


ELECTRICAL, GAS, PLUMBING	Do you require Electrical, Gas and Plumbing work?			0.00	0.00


Estimated total home extension costs:				£ 0.00

Please note - the above calculation is an estimate only and does not include VAT. In order to ascertain the full cost of your project please contact us on office@yaanbuilding.co.uk.