Mortgage Jargon Buster (plain english)

A document confirming that a mortgage provider has accepted your application/offer.

Borrowing extra funds on top of your existing mortgage, or alongside a new one. Often used for home improvements, debt consolidation or, depending on the mortgage type, funding a purchase.

Often linked to Higher Lending Charge. This is a fee lenders may apply where the loan-to-value (LTV) is higher, to help manage risk.

A credit history that includes events such as missed payments, defaults, CCJs, or other negative markers. This can affect both eligibility and the pricing of a mortgage.

A lender’s review of your income, outgoings, and financial commitments to decide how much you can borrow and on what terms.

A first-stage indication of how much you could borrow. It’s sometimes called a Mortgage Promise or Decision in Principle (DIP). An AIP is not the same as a full mortgage offer.

A measure of the overall cost of borrowing over a year, designed to make comparisons easier by including interest and certain fees.

A similar concept to APR, used to reflect the overall cost of a mortgage as a percentage across the lifetime of the agreement, including relevant charges.

A fee charged for setting up a mortgage. It may be paid upfront or added to the loan balance, depending on the product.

When mortgage payments are not made as required under the mortgage contract (typically after a period of missed payments). Lenders have processes to deal with arrears, and it can put the property at risk if not addressed.

To transfer rights in relation to a property or agreement from one party to another.

A common type of rental agreement in the UK for private tenants. If you’re buying to let, you may encounter ASTs.

A type of bridging finance used to buy properties at auction, typically intended for shorter timescales.

A property bought at auction, often with shorter timescales and specific mortgage considerations.

A computer-based method lenders use to estimate property value using data and algorithms.

A financial statement showing a business's assets, liabilities and equity at a point in time. Lenders may review it when assessing affordability for self-employed applicants or company structures.

A large payment due at the end of a loan term. It is uncommon in typical UK residential mortgages but can appear in some specialist or commercial structures.

A check, usually arranged through your solicitor or conveyancer, to confirm there are no bankruptcy-related issues that could affect the transaction.

The Bank of England’s Base Rate, which influences many mortgage products. Some mortgages track it directly (for example, tracker mortgages), while others move in relation to it.

A fee that may be charged when setting up a mortgage. Depending on the lender it may be:

• paid upfront,
• added to the loan, or
• deducted from the amount advanced.

If it’s added to the loan, it can increase the amount you borrow and therefore the interest you pay.

A clause in a contract (often a tenancy) allowing either party to end the agreement early after a specified period.

A short-term loan used to bridge the gap between buying and arranging longer-term finance, or between purchase and sale.

A fee charged by a mortgage broker for arranging a mortgage.

A surveyor’s inspection and report to identify issues or faults that could affect safety or value.

Insurance that can cover:

• damage to the property (buildings), and/or
• damage to belongings inside the property (contents).

Many lenders require buildings insurance. Some may also require specific policy terms.

A property purchased with the intention of renting it out.

A short-term mortgage for property investors/developers who plan to sell after improving or refurbishing.

A mortgage designed for purchasing property to rent out. Lenders usually apply different affordability and deposit requirements compared with residential mortgages.

A repayment method where your monthly payments reduce both:

• the interest charged, and
• the original loan balance.

At the end of the mortgage term, the mortgage is intended to be repaid in full, provided payments are made as agreed.

A remortgage used to borrow additional funds. The extra borrowing might be used for a range of purposes, such as home improvements or other financial goals.

The frequency a lender uses to calculate the outstanding balance for interest purposes (for example, annually, monthly, or daily). This can affect how interest is calculated.

When unpaid interest or fees are added to the mortgage balance, increasing the total amount owed (and potentially the future interest).

A variable-rate mortgage with limits:

• Capped: the rate won’t rise above a set “cap”.
• Collared: the rate won’t fall below a set “collar”.

If the rate moves outside the cap/collar boundaries, the mortgage rate is constrained accordingly. Early repayment charges may apply depending on the product.

A variable rate with a maximum limit. Your rate can move, but it will not exceed the cap.

A lump sum paid by a lender on completion, usually linked to the mortgage product and sometimes subject to conditions.

A mortgage where the lender refunds a sum of money on completion (either as a fixed amount or percentage). Cashback deals can involve conditions such as Early Repayment Charges if you repay within a set period.

A sequence of linked property transactions where each buyer depends on another sale completing.

A court order that secures a debt against property. It can affect your ability to remortgage or sell.

The stage when ownership legally transfers and mortgage funds are released, allowing the purchase to complete.

The date on which the purchase completes and the mortgage funds are used to pay the seller.

A fee some lenders charge to cover administration costs connected to releasing mortgage funds at completion.

A record of the financial transactions and transfers that take place at completion.

A sale that is not legally binding until contracts are exchanged.

Contract terms setting out responsibilities and requirements for the parties involved in the sale.

Permission from your lender to rent out a property covered by a residential mortgage. Conditions and time limits usually apply.

The property legal professional who handles the legal work for your transaction: searches, contract review, exchange and completion, and registration. A solicitor often performs the same role.

Conveyancing is the legal process of transferring property ownership.

• Purchase: typically involves exchange of contracts (when the deal is legally committed) and completion (when ownership transfers).
• Remortgage: involves closing the existing mortgage and moving to the new lender.

Legal fees are usually paid to the solicitor handling the work.

A court decision recorded against a debtor, usually where a debt has not been paid. It can affect affordability and lender decisions.

Organisations such as Experian, Equifax, and TransUnion that compile credit information used by lenders.

A numerical assessment produced using credit data. Lenders may use their own scoring models, so a score from a credit reference agency doesn’t always match a lender’s view.

A check carried out by a lender to review your credit history and how you’ve managed credit.

A protection policy that can pay out if you’re diagnosed with a specified illness or meet the policy’s definition of a condition.

Key points often include:

• cover is based on the exact conditions listed,
• payout is typically a one-off lump sum,
• definitions and exclusions vary between insurers.

A mortgage structure that links a mortgage to a current account so that balances in the account may be set against the mortgage balance for interest calculation purposes. This can reduce the interest charged on the net balance.

A form of security sometimes used by companies borrowing money, placing a charge on company assets.

A mortgage used to combine multiple debts into one loan. This can simplify monthly payments, but it may extend the time to repay and can increase total cost depending on interest rates and term.

An early indication from a lender that they may lend, subject to full underwriting.

An automated or semi-automated process some lenders use to assess applications before human review.

When a lender does not approve a mortgage application. This can influence future applications and may require specialist options.

A legal document used in some joint ownership arrangements that sets out responsibilities and beneficial interests.

Legal documents that evidence ownership and charges over a property.

The amount you pay upfront towards the purchase price (or, in some cases, the amount you contribute when remortgaging).

Costs relating to repairs or reinstatement that may be required at the end of a tenancy.

Costs paid during conveyancing, such as search fees and stamp duty.

A variable rate that offers a discount relative to a lender’s standard variable rate (SVR) for a set period.

A mortgage where the interest rate is set below a lender’s standard variable rate (SVR) for an initial period.

When a lender’s valuation comes in below the agreed purchase price, which can require renegotiation or additional funding.

An early version of the contract that may be updated before contracts are exchanged.

When the lender releases the mortgage funds to your solicitor, usually around completion. Interest and repayments generally start from the drawdown date.

A process where parties proceed with more than one option at the same time (for example, in complex sales). Mortgage implications depend on the circumstances.

A penalty that may apply if you repay your mortgage (or repay more than allowed) within a specified period. ERCs can be linked to fixed, discounted, capped, or other initial deal periods.

Also known as: Early Redemption Penalty (ERP).

A right affecting land, such as a right of access or a right to use part of a property.

A mortgage where the capital is intended to be repaid using an investment plan (endowment). These are generally not widely available today.

A document showing a property’s energy efficiency rating, required for sales and lettings.

The difference between the property’s value and the amount you still owe on it.

Products that allow older homeowners to access some of the equity without moving, such as lifetime mortgages.

A property previously owned by a local authority and sold under schemes such as Right to Buy. Some lenders apply restrictions.

The stage where both parties become legally committed to the sale, and the deposit is typically paid.

How a borrower plans to repay a bridging or development loan.

A mortgage product where certain fees are reduced or waived, for example no arrangement fee. The trade-off can be a higher interest rate.

The mortgage secured as the highest-priority charge on a property.

The Scottish equivalent of a first charge: the security that gives the lender priority rights over the property under Scots law.

A buyer who has not previously owned property.

Items that may be included in a property sale depending on what is agreed and what is considered part of the property.

Items attached to the property that are generally included in the sale.

The date your fixed-rate period ends. After this date the mortgage usually moves to a different rate type unless you arrange a new deal.

A mortgage designed to offer more flexibility than traditional repayment structures. Features can vary by lender, but may include options such as:

• making overpayments without penalty (subject to product rules),
• payment holidays (where allowed),
• the ability to underpay within limits (often linked to prior overpayments),
• daily or monthly interest calculation.

A type of ownership where the owner owns both the property and the land it stands on.

The estimated cost to rebuild the property from scratch, used for insurance purposes. This is different from market value.

Additional borrowing secured against the same property with the existing lender, often for home improvements or other purposes.

A document showing that gas appliances have been checked by a qualified engineer.

When a seller accepts a higher offer from another buyer after agreeing a sale.

When a buyer reduces their offer at a late stage, typically before exchange.

A deposit provided by family or friends. Lenders typically require evidence that it is genuinely a gift and not repayable.

Mortgage products designed to support energy efficiency improvements or purchase of greener properties.

The expected value of a development project once completed.

Rent payable by a leaseholder to a freeholder under a lease.

A person who agrees to support the mortgage repayments if the borrower cannot. This can sometimes help borrowers access lending with a smaller deposit.

A widely followed measure of UK house price movement published by Halifax.

A government scheme (or related variants) designed to help eligible buyers purchase with a smaller deposit, typically involving an equity loan.

A savings account that previously offered a government bonus for eligible first-time buyers (now closed, but may still be referenced for older accounts).

A fee lenders may apply where LTV is higher, to help manage risk. It’s often associated with Mortgage Indemnity Guarantee (MIG) concepts.

A property rented to multiple tenants who share facilities. HMOs often require specialist lending and licensing considerations.

A mortgage for a property intended to be let to holiday guests. Lenders may assess affordability using projected rental income rather than standard income multiples.

A type of valuation/survey report (often less detailed than a structural survey). The exact terminology can vary.

A not-for-profit organisation that provides affordable housing. Mortgage availability can vary depending on the property and lease terms.

Credit issues such as defaults, missed payments, or bankruptcy. Specialist lenders may consider these, but terms can differ.

The multiple of your income a lender may use to estimate the maximum loan you can borrow.

A policy that can provide regular payments if you’re unable to work due to illness or injury.

Common features include:

• a waiting period before payments start,
• payments that may be level or increasing,
• cover that can be subject to insurer definitions of incapacity.

It’s different from Critical Illness Insurance, which is typically a one-off payout for specific conditions.

The introductory period during which a mortgage has a specific interest rate before it moves to the lender’s standard rate or another arrangement.

A regular payment schedule for repaying the mortgage, typically monthly in the UK.

A method where interest is calculated on your balance each day, so overpayments can reduce the interest you pay sooner than if interest were calculated less frequently.

A mortgage where monthly payments cover only the interest. A separate plan is needed to repay the capital at the end of the term.

A document listing the contents and condition of a rental property at the start and end of a tenancy.

Sharia-compliant financing that avoids traditional interest. Structures may include diminishing musharaka or ijara.

A legal principle where each borrower can be held responsible for the full mortgage debt, depending on the arrangement.

A mortgage taken out by two or more people, with shared responsibility for repayments.

Two ways of owning property with others. They differ in how ownership shares pass on death.

The official register for ownership of land and property in the UK.

Extending the remaining term of a leasehold property, which may be relevant for mortgageability.

Ownership of the right to occupy a property for a fixed period under a lease, while the land/building is owned by a freeholder.

The formal legal security a lender takes over the property until the mortgage is repaid.

A document signed by occupiers who aren't named on the mortgage, agreeing to the lender's security and acknowledging what could happen if the lender needs to repossess.

The percentage added to a base rate to determine the actual interest rate on some variable products.

A mortgage where you buy a new home while letting your existing property. Lenders may consider projected rental income as part of affordability.

A type of variable rate linked to LIBOR (historically). LIBOR has been replaced by other reference rates in many contexts.

Insurance that pays out on death, sometimes used to protect mortgage repayments.

A policy designed to provide financial support to dependants if you die during the policy term.

Term life insurance policies typically pay out if death occurs within the agreed period.

A savings account that can include a government bonus for eligible first-time buyers or retirement saving (subject to rules).

A building with special architectural or historic interest, protected by law.

A development finance measure comparing the loan amount to the expected completed value (GDV).

The loan amount expressed as a percentage of the property value.

Example: a £70,000 mortgage on a £100,000 property is 70% LTV.

Higher LTV can affect pricing and may trigger additional charges.

A ratio comparing the mortgage amount to annual income. Regulators and lenders use it to manage affordability risk.

The amount added to a base rate to calculate a variable mortgage rate.

The estimated price a property would achieve if sold on the open market at a given time.

The end date of the mortgage term when the loan must be repaid or refinanced.

The highest loan-to-value a lender will consider for a specific product or borrower profile.

A professional who helps clients understand mortgage options and, where permitted, provide advice on regulated mortgage contracts.

The maximum amount a lender will consider based on affordability and lending criteria.

The legal document that creates the mortgage and gives the lender security over the property.

A fee charged by some lenders when you repay the mortgage in full or move to a new deal.

A document (sometimes called Key Facts or ESIS) showing projected costs and payments for a proposed mortgage based on stated assumptions. It helps you understand what the product could cost, though it isn't a guarantee.

A conditional indication of how much a lender may lend based on initial information.

A formal document from the lender confirming the mortgage terms after full approval. Offers usually have an expiry date.

Insurance designed to help cover mortgage payments if you cannot work due to illness or unemployment (product terms vary).

The process of paying off the mortgage balance in full.

The total length of the mortgage agreement.

A lender’s assessment of the property’s value and suitability as security for the loan. This is not the same as a survey report on the property’s condition.

The lender.

The borrower.

A single freehold title containing multiple self-contained units.

A freehold title covering multiple buildings or units, often used in certain holiday or complex arrangements.

A material associated with certain structural issues in some older properties. Specialist assessment may be required.

A situation where payments are not enough to cover the interest due, causing the loan balance to increase over time.

When the property value is lower than the outstanding mortgage balance.

A property that is newly constructed or very recently built. New builds can come with warranties and sometimes different lender requirements.

A sale where the seller isn't dependent on buying another property, which can reduce delays and complexity in the transaction.

Income after tax and deductions. Some lenders use net income in affordability calculations.

A term sometimes used to describe borrowers who don’t fit standard lending criteria, often linked to adverse credit.

A savings account linked to certain offset mortgages, where withdrawals may require notice.

A flexible mortgage where savings/current account balances are set against the mortgage balance for interest calculation. Interest is typically charged on the net balance.

• Repayment: monthly payments reduce the balance.
• Interest-only: monthly payments cover interest only; capital repayment is planned separately.
• Offset: savings can reduce the interest calculated on the mortgage balance.

Bridging finance where the repayment date is not fixed at the outset, which can affect pricing compared with closed bridging.

The estimated price a property would achieve if sold normally between willing buyer and seller.

The amount still owed on the mortgage at a given point in time.

An extra payment made to reduce the mortgage balance sooner than planned. Some mortgages allow overpayments without penalty, while others may apply ERCs if you exceed permitted limits.

A mortgage structure combining repayment and interest-only elements.

A temporary pause from mortgage payments offered by some flexible products, with interest typically continuing to accrue.

A repayment vehicle sometimes associated with interest-only mortgages.

A historical type of investment vehicle that may be referenced as a repayment strategy for interest-only mortgages.

Where an individual (often connected to a company) agrees to be responsible for repayments if the borrowing entity cannot meet them.

A feature that may allow certain mortgages to be moved to a new property during an early repayment charge period, subject to lender criteria and product rules.

A mortgage feature that allows you to move an existing deal to a new property, subject to lender rules.

The original amount borrowed, excluding interest.

A fee that may be paid by lenders to intermediaries for introducing and managing applications.

Switching to a new deal with the same lender, often used when the current fixed period ends.

A sequence of linked transactions where each sale depends on another completing.

Paying off the mortgage in full, either when you sell or at the end of the term.

Another term used for Early Repayment Charge (ERC).

A period given by the lender for you to consider the mortgage offer.

A bridging loan may be regulated depending on how and why the property is used (for example, where the borrower occupies or intends to occupy the property).

Replacing your existing mortgage with a new one, often to change the deal, release equity, or reduce costs.

A mortgage where monthly payments cover both interest and capital, typically clearing the balance by the end of the term.

A lender’s legal process to take control of a property if the borrower breaches the mortgage agreement or fails to make repayments.

A mortgage for buying or remortgaging a home you live in.

Where the lender withholds part of the funds until certain conditions are met.

The interest rate that applies after an initial deal period ends.

A government scheme allowing eligible tenants to buy their home at a discount.

A right for leaseholders in some circumstances to take over management of a building.

A document provided by HMRC showing evidence of earnings for a tax year.

Checks carried out during conveyancing, such as local authority and property-related searches.

A process where lenders package groups of loans and sell them to investors. You typically keep dealing with your lender or servicer, but the underlying ownership of the loan may change.

An additional loan secured against the property that ranks behind the first mortgage.

A planning agreement used by local authorities to control how land or buildings can be used.

A mortgage designed for property under construction, often released in stages as the build progresses to help manage LTV at each stage.

Payments leaseholders make towards the maintenance and management of communal areas.

A structure where multiple owners hold interests in a freehold property through a company.

A scheme where you buy a share of a property and pay rent on the remaining share owned by a housing association.

A tenant already living in the property. This can affect valuation and lending considerations.

A type of credit search that doesn't usually affect your credit score, often used for initial checks, quotations and agreement-in-principle requests.

A property marketing arrangement where only one agent is instructed to sell or let.

A professional promise by a solicitor to carry out certain actions, such as registering the mortgage charge.

A company set up for a specific purpose, often used in property investment structures.

A lender that focuses on particular markets, such as adverse credit, self-employed borrowers, or non-standard property types.

A mortgage that combines repayment and interest-only elements.

A government tax charged on property purchases. It is generally not payable on remortgages.

A tax paid when buying property in England and Northern Ireland, based on purchase price and other factors.

A variable rate set by the lender. After an initial deal period ends, the mortgage may revert to the SVR (unless you switch to another product).

Affordability calculations to assess whether you could still manage payments if interest rates rise or circumstances change.

A detailed survey focusing on the structure and condition of a property.

A stage in a property transaction before contracts are exchanged, meaning the sale is not yet legally binding.

A survey is an inspection of a property’s condition by a qualified surveyor.

Common survey types include:

• RICS Home Survey Level 1: a basic report for conventional properties in reasonable condition.
• RICS Home Survey Level 2: a more detailed report, often including checks in roof spaces and cellars.
• RICS Home Survey Level 3: the most thorough option, suitable for older or unusual properties, listed buildings, or where there are concerns about condition.

A document listing the fees a lender may charge in connection with your mortgage, such as charges for certain requests or administrative processes.

A statement showing tax paid, tax due, and any outstanding amounts.

A rental arrangement giving a tenant the right to occupy a property under a tenancy agreement.

A form of joint ownership where each person owns a defined share, which can be left to beneficiaries.

The length of time over which the mortgage is repaid (commonly 25–35 years, though other terms exist).

A protection policy that can pay out if the insured person dies (and sometimes if specified conditions are met), depending on the policy structure.

The legal record of ownership and charges over a property.

Documents or records showing ownership of a property. In many cases, ownership is held electronically via the Land Registry.

A method sometimes used in affordability calculations, often where rental income or other income is considered alongside personal income.

A variable-rate mortgage that moves in line with a reference rate (such as the Bank of England Base Rate) plus or minus a set margin. Payments can therefore rise or fall.

A variable interest rate that moves in line with a reference rate (often the Bank of England base rate) plus or minus a margin.

The legal document that transfers ownership rights in a property.

A process for changing who is named on the title deeds, often involving a remortgage or lender consent.

A property that has accepted an offer but has not yet completed.

Paying less than the contractual amount on a flexible mortgage (where permitted), with rules about how the shortfall is handled.

The insurer’s risk assessment process, which may include reviewing medical history and other relevant information.

The lender’s process of assessing your application details—such as income, debts, assets, and the property—to reach a final lending decision.

A property owned outright with no mortgage or other charges secured against it.

A lender’s assessment of the property’s market value, often carried out by a surveyor.

A charge for the lender’s valuation process. The level of valuation required can affect cost.

An interest rate that can change over time, often linked to base rate movements or lender decisions.

The person selling the property.

A legal search that can reveal information about water and drainage services and related charges.

Mortgage and insurance documents can be dense. If you come across unfamiliar wording, it’s often helpful to:

• note the exact term as written,
• check whether it relates to pricing (rates/fees), repayment structure, or protection cover,
• ask for a plain-English explanation of how it applies to your mortgage or policy.

Describes a broker who considers mortgages from a wide range of lenders available through intermediary channels. It doesn't mean every lender in existence, as some lend directly only.

A measure of rental income relative to property value, used in buy-to-let affordability considerations.

In buy-to-let contexts, the annual rental income expressed as a percentage of property value or purchase price.