Interactive Tools
Free interactive calculators and planning tools to help you understand the costs of buying a new build home.
Property Calculators
Free calculators to help you understand the true cost of buying a new build home.
Stamp Duty Calculator
Calculate your exact Stamp Duty Land Tax based on property price, buyer status, and additional property surcharges.
Use ToolMortgage Calculator
Estimate your monthly mortgage payments based on property price, deposit, interest rate, and term length.
Use ToolMortgage Overpayment Calculator
See how much time and interest you could save by overpaying your mortgage each month.
Use ToolRemortgage Savings Calculator
Compare your current mortgage deal against new rates and see how much you could save by switching.
Use ToolMoving Cost Estimator
Estimate the total cost of moving into a new build — stamp duty, legal fees, removals, and all the hidden costs.
Use ToolBudget Planners
Interactive planning tools to help you budget for every stage of the buying process.
Affordability Calculator
Work out how much you can borrow based on your income, expenses, and deposit — see what properties are within reach.
Use ToolDeposit Savings Planner
Plan your deposit savings timeline with LISA bonus projections and see when you could be ready to buy.
Use ToolRent vs Buy Comparison
Compare the true cost of renting vs buying over 5, 10, and 25 years — including equity growth and wealth position.
Use ToolEnergy Running Cost Calculator
Compare energy costs between a new build and an older home by EPC rating, property type, and bedrooms.
Use ToolInvestment Tools
Analyse property investments, rental yields, equity growth, and the true value of buying new.
New Build Premium Calculator
Compare a new build vs older home over 10 years — factoring in energy savings, maintenance, and warranty value.
Use ToolBuy-to-Let Yield Calculator
Calculate gross yield, net yield, monthly cashflow, and ROI for investment properties.
Use ToolProperty Equity Growth Forecast
Project how your property equity grows over 5, 10, and 25 years through mortgage repayment and appreciation.
Use ToolGovernment Schemes
Calculators for government-backed homeownership schemes including Help to Buy, Shared Ownership, and First Homes.
Help to Buy Equity Calculator
Calculate your equity loan repayment amount, annual fees, and how property value changes affect what you owe.
Use ToolStaircasing Calculator
Work out the cost of buying additional shares in your shared ownership home and the impact on monthly costs.
Use ToolFirst Homes Scheme Calculator
Check your eligibility for the First Homes scheme and see how much you could save on a discounted new build.
Use ToolNeed Downloadable Resources?
We also have 42 free PDF checklists, letter templates, and spreadsheets to help with your new build purchase.