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Extension design — Architect — Cost calculator

This estimate is based on published pricing and the job details you entered. Actual quotes can vary by provider, location, materials, access and final scope.

How it works

  1. Describe what you need.
  2. Choose a relevant service and location.
  3. Compare responses and decide directly.

Extension design — Architect — Cost calculator

Approximate cost estimate

Bounded standard professional booking for Extension design; customer selects the expected booked hours.

Estimated cost£280.00

This estimate is based on published pricing and the job details you entered. Actual quotes can vary by provider, location, materials, access and final scope.

Post your job with this budget

What this estimate includes

  • Booked Extension design service time within the stated standard scope
  • Local reference hourly calibration for the selected market

What this estimate excludes

  • Materials, products, permits, specialist equipment and third-party fees unless separately stated
  • Unscoped emergency, hazardous or regulated work
  • A guarantee of final project duration or provider quote