Question
What this page helps answer
Model whether a house part exchange offer looks worthwhile by comparing net proceeds, fee savings, convenience discount, onward purchase costs, and estimated mortgage payments.
Use it when you want to screen a property decision before speaking to a lender, surveyor, conveyancer, adviser, or agent.
- Open the live tool when you want the calculation or utility output.
- Review the notes and assumptions before relying on the answer.
- Use related links when this question leads to another calculation.
Inputs
Information to have ready
For this page, the most useful inputs to check are current home market value, part exchange offer, outstanding mortgage, estate-agent fee avoided, sale and moving costs, new home price, extra cash deposit, and new mortgage rate.
Check property value, location, area, tenure, tax year, rates year, fees, cost ranges, mortgage assumptions, and whether current rules apply.
- Check current home market value before using the result.
- Check part exchange offer before using the result.
- Check outstanding mortgage before using the result.
- Check estate-agent fee avoided before using the result.
- Check sale and moving costs before using the result.
- Check new home price before using the result.
Result
How to interpret the answer
Use the estimate to compare scenarios and identify questions to confirm. Legal, mortgage, tax, and surveying advice can change the final answer.
The live tool is designed for quick comparison: change one assumption, rerun the estimate, and compare the movement before making a decision.
- Look for the headline result first.
- Use charts and detailed rows to understand what drives the answer.
- Save, share, or export the result where the linked tool supports it.