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Renovation Budget Calculator
Free renovation budget calculator. Add each room or area with its estimated cost, set a contingency percentage (typically 10-20%), and see your total budget with value-add estimate. Ideal for landlords planning refurbishments, house flippers, and first-time buyers budgeting a renovation.
Room / Area
Estimated Cost
Typical: 10-20% for renovation overruns
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Frequently Asked Questions
How much contingency should I add to a renovation budget?
For a light refurbishment (painting, flooring, kitchen units), 10% contingency is typically sufficient. For structural work, extensions, or older properties, use 15-20%. Loft conversions and basement conversions often require 20-25% due to the complexity and risk of discovering hidden issues. Always have your contingency in cash before starting work.
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