Calculators
Buying a new home or thinking about switching your mortgage? It can feel overwhelming—but it doesn’t have to be. Our easy-to-use mortgage calculators can help you understand your budget and make confident financial decisions. Whether you’re a first-time homebuyer or an experienced homeowner, use our tools to answer the big question: How much house can I afford?
We work with more than 120 mortgage lenders, including
Types Of Mortgages
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Fixed-Rate Mortgages Fixed-rate mortgage
Fixed-rate mortgage, the interest rate remains the same for an agreed period, between two and five years.
As a first time buyer you have more stability and allowing for easier budgeting.
When the fixed period ends, you’ll typically switch to the lender’s standard variable rate (SVR) or chose a. New deal.

Standard Variable Rate Mortgages (SVR)
SVR interest rate is set by the lender, which can fluctuate. This means your monthly repayments can change, making it harder to predict your future payments.

Tracker Mortgages
Tracker mortgages follows the Bank of England (BoE) base rate. The interest rate is usually set a few percentage points above the BoE rate.
While this can be advantageous when interest rates are low, your payments will increase if the base rate rises, so ensure you’re prepared for potential rate hikes.

Discount Rate Mortgages
These mortgages offer a discount on the lender’s SVR. For example, if the SVR is 5% and the discount is 1%, your interest rate will be 4%. Although the discount stays the same, the SVR can change, which could affect your payments.

Capped Mortgages
Capped mortgages have a variable interest rate linked to the lender’s SVR, but there is a maximum limit (cap) on how high your payments can go, regardless of interest rate rises. These mortgages may not be as widely available.

Offset Mortgages
Offset mortgages link your savings account to your mortgage. The balance in your savings is used to reduce the interest you pay on your mortgage, potentially saving you money in the long term.
What is a Mortgage calculator?
Mortgage calculator can help you estimate your monthly mortgage payments.
They take into account factors such as loan amount, interest rate, and loan term, offering valuable insights into the financial implications of different mortgage options.
- Plan your budget before buying a home
- See what you can affordbased on your income and expenses
- Compare loan options with different rates or terms
- Avoid surprises by factoring in taxes, insurance, and more
- Make smarter decisions when choosing a home or mortgage
Affordability Calculator
Affordability calculator to estimate how much house you can afford based on your income, expenses, and financial obligations. This tool will help answer common questions like “How much mortgage can I afford?” or “How much can I borrow?” by giving you a realistic view of your budget.
Buy-to-Calculator
A buy-to-let calculator helps landlords estimate rental yield, monthly mortgage payments, and overall profitability on investment properties. Use this tool to answer key questions like “Is buy-to-let worth it?” or “How much can I earn from a rental property?” and make informed decisions before investing.
Refinance Calculator
A refinance calculator helps you estimate how much you could save by refinancing your mortgage, based on your current loan details, new interest rate, and term. Use it to answer common questions like “Should I refinance my mortgage?” or “How much can I save by refinancing?” and make smart financial decisions.
Stamp Duty Calculator
Easily estimate your property tax costs with our quick and accurate stamp duty calculator. Save time and avoid surprises by calculating stamp duty fees before you buy.
Contractor Mortgages Calculator
Tailored specifically for self-employed professionals. Take the guesswork out of home buying and get a clear picture of your mortgage potential today.
Life Insurance Calculators
Find the right coverage for your needs with our Life Insurance Calculator, helping you protect your family’s future. Get a personalized estimate in minutes and make informed decisions with confidence.
Why Choose Mortgage-Tek Mortgage Services
Get your right and on-point advice by our OMA-approved brokers. Working with Mortgage-Tek is simple and straightforward, here are the benefits we offer to our worthy clients.
FCA-Authorised & CeMap Qualified
Fully certified to deliver expert advice tailored to your needs.
Experienced in Niche Situations
Dedicated to Fairness
Expert advice
Time saving
Customised solutions
Frequently Asked Question
When is the best time to use a mortgage calculator?
The ideal time to use a mortgage calculator is at the beginning of your home-buying journey or when considering a remortgage.
It gives you a helpful estimate of how much you might be able to borrow, your possible monthly repayments, and the interest rates you could expect.
It’s fast and simple—completing it takes just 2 to 5 minutes.
Will using a mortgage calculator impact my credit score?
Can I check mortgage rates with the calculator?
Which mortgage calculator should I use?
The best mortgage calculator for you depends on your specific goals:
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Purchasing your first home
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Buying a property to rent out
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Remortgaging for a better deal
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Releasing equity from your current home
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Estimating your potential stamp duty costs
Choose the calculator that matches your situation to get accurate and relevant results.





















