Loft Conversion Cost estimator In the UK

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How it works:

  1. Inputs:
    • The user enters the loft size in square meters.
    • The user selects the conversion type from the dropdown: Roof Light, Dormer, or Mansard.
  2. Calculations:
    • The JavaScript function calculateCost() multiplies the loft size by a cost per square meter depending on the selected conversion type.
  3. Output:
    • The estimated cost is shown below the button when the calculation is done.

Cost Assumptions:

  • Roof Light Conversion: £1250 per square meter
  • Dormer Conversion: £1500 per square meter
  • Mansard Conversion: £2000 per square meter

These values are averages and will vary depending on location, builder, and other factors

Loft Conversion Cost Estimator

Loft Conversion Cost Estimator (UK)