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Return on Investment Calculator

By having your loft converted, will you be increasing the value of your home at the same time? Almost always the answer is yes. Moving home is very expensive – a loft conversion is an extremely cost-effective way of investing in your home and increasing its size and value at the same time.

Try the return on investment (ROI) calculator below to see how a loft conversion might affect the value of your home over the next year, or even 30 years:

Estimated Return on investment

Value of house Cost of conversion Years
£ £


Estimated value without conversion Estimated value with conversion
£0 £0