First-time buyers and early-stage planners
First home basics
Move from the basic mortgage language into affordability, buying costs, and repayment estimates.
UK mortgage learning and decision support
Understand your mortgage decision before you calculate it.
OverpayWise helps UK buyers and homeowners learn the mortgage journey, compare decisions in context, and use calculators as a way to understand options rather than chase a single answer.
Learn the idea first
Follow the mortgage journey
Use calculators with context
Calculators provide planning estimates for education. They do not replace regulated mortgage, tax, investment, or financial advice.
The OverpayWise mission
Make mortgage decisions easier to understand.
Mortgage tools are most useful when you understand what they are estimating. OverpayWise brings lessons, examples, journey stages, and calculators together so you can move from question to context to calculation without losing the bigger decision.
The goal is not to tell you what to do. It is to help you ask better questions about affordability, deal choice, remortgaging, overpayments, offset savings, and long-term flexibility.
Mortgage journey
Where are you now?
Choose the closest situation and start with the learning path, not just the calculator. The tools are there when the decision is clear.
I'm buying my first homeLearn how affordability, deposit size, upfront costs, and monthly repayments fit together before you start comparing properties.Explore first-home learningI'm comparing mortgagesUnderstand how rates, fees, fixed periods, follow-on rates, and remaining balances change the real cost of a deal.Learn how to compareI already own a homeReview equity, loan-to-value, remaining interest, payment comfort, and the decision points that matter after completion.Review owner decisionsI'm thinking about overpayingUnderstand overpayment limits, interest savings, emergency cash, investing alternatives, and offset flexibility.Learn the trade-offsI'm remortgagingWork through switching costs, early repayment charges, break-even timing, and deal comparison before you act.Plan a remortgageI want to become mortgage-freeLearn how payoff timing, total interest, flexibility, and wider savings goals interact over the long term.Build a payoff plan
Guided selector
Find the next mortgage tool to use.
Answer a few quick questions and get an ordered path through the calculators and guides that fit your situation.
Decision support
Seven stages from first budget to mortgage freedom.
The journey structure keeps calculators, lessons, and next steps connected. Move through the stages in order or jump to the one that matches your current mortgage question.
- 1
Buying a home
Start with a realistic property budget before you compare listings, mortgage deals, or stretch your deposit too thin.
Learn stage - 2
Buying costs
Look beyond the deposit. Stamp duty, legal work, surveys, lender fees, and moving costs can change what is genuinely affordable.
Learn stage - 3
Mortgage choice
Compare the cost and flexibility of mortgage deals, including fixed periods, fees, monthly payment pressure, and follow-on rates.
Learn stage - 4
Ownership
After completion, track the mortgage you actually have: balance, equity, LTV, interest, deal timing, and overpayment limits.
Learn stage - 5
Overpay / invest / offset
Compare three common uses for spare cash: reducing mortgage interest, keeping savings offset, or investing for potential growth.
Learn stage - 6
Remortgage
Review whether to switch, stay, or adjust your mortgage before the current deal ends, including fees and early repayment charges.
Learn stage - 7
Mortgage freedom
Plan the final stretch carefully: payoff timing, early repayment charges, savings buffers, paperwork, and what changes after the mortgage ends.
Learn stage
Start Learning
Follow a learning path before using the numbers.
Each path links lessons and guides in a sensible order, so the calculator result has context when you get there.
Homeowners deciding whether to overpay
Already have a mortgage
Build from repayment basics to the practical checks around limits, interest savings, and spare-cash trade-offs.
Homeowners planning a faster payoff
Mortgage-free planning
Compare overpayments, investing, and offsetting before treating an early payoff date as the only goal.
Popular lessons
Learn the calculations people use most.
Mortgage Affordability Calculator TutorialLearn how UK mortgage affordability estimates use income multiples, deposit, LTV, commitments, stress-tested repayments, and borrowing limits.16 min - BeginnerMortgage Repayment Calculator TutorialLearn how a UK repayment mortgage payment is calculated, what each input means, and how to manually estimate monthly repayments with worked examples.14 min - BeginnerMortgage Comparison Tool TutorialLearn how to compare UK mortgage deals using fixed rates, product fees, follow-on rates, monthly payments, remaining balance, and total borrowing cost.16 min - IntermediateMortgage Overpayment Calculator TutorialLearn how mortgage overpayments reduce interest, shorten repayment schedules, move a mortgage freedom date forward, and why limits and early repayment charges matter.15 min - Intermediate
Popular calculators
Use calculators after the decision is framed.
These tools remain easy to reach, but the homepage now points to the learning and journey context first.
Mortgage affordabilityEstimate a possible UK mortgage amount, property value, deposit percentage, LTV, and monthly repayment.Mortgage comparisonCompare UK mortgage deals with fix-period costs, full-term costs, balances, overpayments, and charts.Mortgage overpaymentEstimate interest savings, payoff time, and balance changes from monthly mortgage overpayments.RemortgageCompare your current mortgage with a new deal, including ERCs, fees, follow-on rate, break-even point, and savings.
Trust and limitations
Built to support better questions, not replace advice.
Educational before transactional
OverpayWise is built to explain the moving parts behind a mortgage decision before sending you into a calculator.
Transparent assumptions
Lessons, examples, and tools show the inputs and limits behind an estimate so you can spot what has been simplified.
UK-focused, advice-aware
Content uses UK mortgage terminology and keeps estimates separate from regulated mortgage, tax, investment, or financial advice.
OverpayWise does not provide mortgage advice, tax advice, investment advice, or product recommendations. Use the content to understand the mechanics, then check important decisions with a qualified professional where needed.