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First-Time Buyer Mortgage Jargon Explained

kellywilliams66
Jun 12, 2025
5 min read

Buying your first home is an exciting milestone, but it can also feel daunting. Alongside finding the right property and arranging your finances, you'll likely encounter a range of mortgage terminology and industry jargon that may be unfamiliar.


Understanding the language used throughout the home-buying process can help you feel more confident and make informed decisions. To help you get started, we've put together this simple guide to some of the most common mortgage and property terms you'll come across as a first-time buyer.


Agreement in Principle (AIP)


Also known as a Decision in Principle (DIP), an Agreement in Principle is an indication from a mortgage lender that they may be willing to lend you a certain amount of money, subject to further checks.


Having an AIP can be particularly useful when viewing properties, as it demonstrates to estate agents and sellers that you're a serious buyer. A mortgage adviser can help you obtain an AIP and understand how much you may be able to borrow.


Arrangement Fee


Some mortgage lenders charge an arrangement fee to set up your mortgage. Depending on the lender and mortgage product, this fee can either be paid upfront or added to the mortgage balance.


It's important to consider the overall cost of the mortgage, not just the interest rate, when comparing deals.


Conveyancer


A conveyancer is a legal professional who specialises in property transactions. They handle the legal work involved in buying a home, including property searches, contracts, and the transfer of ownership.


Debt-to-Income Ratio (DTI)


Your debt-to-income ratio measures how much of your monthly income is already committed to existing debts, such as credit cards, personal loans, or car finance.

Mortgage lenders use this calculation to assess affordability and determine whether you can comfortably manage mortgage repayments alongside your current financial commitments.


Early Repayment Charge (ERC)


Many mortgage products, particularly fixed-rate mortgages, include an Early Repayment Charge.


This is a fee charged if you repay your mortgage early, remortgage before the agreed period ends, sell your property, or exceed your lender's permitted overpayment limit.

ERCs vary between lenders and often reduce over time, so it's important to understand any potential charges before making changes to your mortgage.


Energy Performance Certificate (EPC)


An EPC measures a property's energy efficiency and assigns a rating from A (most efficient) to G (least efficient).


Some lenders offer preferential rates or incentives for energy-efficient homes, often referred to as "green mortgages." In certain cases, lenders may also require a minimum EPC rating before approving a mortgage application.


Fixed-Rate Mortgage


A fixed-rate mortgage is one of the most popular mortgage options for first-time buyers.

With a fixed-rate mortgage, your interest rate remains the same for an agreed period, usually two or five years. This means your monthly mortgage repayments stay consistent throughout the fixed term, making budgeting easier.


Freehold


When you purchase a freehold property, you own both the property and the land it stands on indefinitely.


This differs from leasehold ownership, where you own the property for a set period but not the land underneath it.


Joint Borrower, Sole Proprietor (JBSP)


A Joint Borrower, Sole Proprietor mortgage allows multiple people, often family members, to contribute towards the mortgage application and repayments, while only one person owns the property.

This arrangement can help buyers borrow more than they might be able to on their own.


Loan-to-Value (LTV)


Loan-to-value, or LTV, is the percentage of a property's value that you need to borrow.

For example, if you're purchasing a £200,000 property with a £20,000 deposit, you'll need a £180,000 mortgage, giving you an LTV of 90%.


Generally, the lower your LTV, the lower the risk to the lender. As a result, borrowers with larger deposits often have access to more competitive mortgage rates.

A mortgage adviser can help you calculate your LTV and explore ways to improve it if needed.


Mortgage Offer


A mortgage offer is the formal confirmation from a lender that your mortgage application has been approved.


The offer outlines key details including the amount being borrowed, the interest rate, repayment terms, and any conditions attached to the loan.

Mortgage offers are typically valid for between three and six months and represent a major milestone in the home-buying journey.


Overpayments


An overpayment is any amount paid towards your mortgage in addition to your regular monthly payment.


Making overpayments can help reduce your mortgage balance faster, shorten your mortgage term, and potentially save money on interest. However, exceeding your lender's permitted overpayment allowance could trigger an Early Repayment Charge.


Repayment Mortgage


Also known as a capital and interest mortgage, a repayment mortgage means your monthly payments contribute towards both the amount borrowed and the interest charged.

Provided all payments are made as agreed, your mortgage balance will be fully repaid by the end of the term.


This differs from an interest-only mortgage, where monthly payments cover only the interest, and the original loan amount must be repaid separately at the end of the mortgage term.


Stamp Duty


Stamp Duty Land Tax (SDLT) is a tax payable when purchasing a property in England and Northern Ireland.


The amount you pay depends on several factors, including the property's value, whether you are a first-time buyer, and whether the property will be your main residence.

Different property tax systems apply in Scotland and Wales, so it's important to seek advice based on where you're buying.


Standard Variable Rate (SVR)


The Standard Variable Rate is the interest rate your lender may move you onto once your initial mortgage deal ends.


SVRs are set by the lender and can change at any time. They are often significantly higher than fixed-rate or tracker deals, which is why many borrowers review their mortgage options before reaching this stage.


Tracker Mortgage


A tracker mortgage is a variable-rate mortgage that follows the movement of the Bank of England base rate.


If the base rate rises, your mortgage payments may increase. If it falls, your payments could decrease. While tracker mortgages can sometimes offer attractive rates, they do not provide the certainty of a fixed-rate mortgage.


Valuation Fee


A valuation fee covers the cost of assessing a property's market value on behalf of a mortgage lender.


The valuation helps the lender confirm that the property provides adequate security for the mortgage loan. Depending on the lender and mortgage product, this fee may be included or charged separately.


Expert Guidance Every Step of the Way


The mortgage process can feel overwhelming, particularly when you're buying your first home. Understanding the terminology is a great first step, but professional advice can make the journey much smoother.


If you come across any unfamiliar terms or have questions about the home-buying process, we're here to help. As experienced mortgage advisers, we can guide you through every stage of your purchase and help you secure the most suitable mortgage for your circumstances.


To book an appointment, please call Kelly on 07976 279076 or email kelly@firstmortgagesolutions.co.uk.

 
 
 

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Kelly Williams

I provide a professional, personal and friendly Mortgage Advice service. I aim to make the whole mortgage process as simple as possible for you.

Email: kelly@firstmortgagesolutions.co.uk

Phone: 07976279076

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