The asking price is not the price of moving home. It is the number that gets all the attention while thousands of pounds of essential costs quietly line up behind it. Get your budget wrong and you can find the perfect house, secure an offer, then face a painful scramble to find cash before completion.
Knowing how to budget for a home move properly gives you control. It helps you set a realistic sale and purchase price, protect your deposit, and avoid borrowing more than you can comfortably afford just because the lender says you can.
Start with the cash you will actually have
Do not begin with the amount you hope your current home will sell for. Begin with the money left after the sale completes.
Take your expected sale price and subtract your outstanding mortgage balance. Then subtract estate agent fees, solicitor costs for the sale and any early repayment charge on your current mortgage. What remains is your estimated equity.
That equity may form all or part of your deposit on the next property. But it is not automatically all available for the deposit. Moving costs need cash too. Ring-fencing every penny for the deposit is a common mistake, particularly if it leaves you putting removals, repairs and insurance on a credit card.
If you are a first-time buyer, the same rule applies. Your deposit savings are not the only money you need. Keep a separate pot for buying costs and an emergency reserve from day one.
Build your home move budget in four pots
A clean budget is easier to use when every cost has a job. Split your numbers into four pots: buying, selling, moving and contingency. It sounds simple because it is. The industry loves to make home buying feel more complicated than it needs to be.
1. Buying costs
Your purchase costs usually include the mortgage arrangement fee, valuation fee if one is charged, survey costs, conveyancing fees and searches. You may also pay a mortgage broker fee, depending on the advice service and product arranged.
Stamp Duty Land Tax can be one of the biggest figures in the plan. The amount depends on the property price, whether you are replacing your main residence, whether you are a first-time buyer and where in the UK you are buying. Scotland and Wales have their own property taxes. Rules and thresholds can change, so use current figures rather than relying on a post you saw six months ago.
A survey is another cost buyers are tempted to cut. That can be false economy. A mortgage valuation is for the lender, not a detailed health check for you. If the property is older, has been altered, or simply looks as though it has had a hard life, paying for a suitable survey could expose problems before they become your problem.
2. Selling costs
Estate agent commission is usually quoted as a percentage of the sale price, often plus VAT. Ask for the total pound figure, exactly what the fee covers and when it becomes payable. A lower percentage is not always the better deal if the agent achieves a weaker sale price or fails to manage the chain.
Your conveyancer will also charge for the legal work involved in selling. If your current mortgage is fixed, check the paperwork for an early repayment charge. It may be avoidable if your mortgage is portable and your lender agrees to transfer it, but portability is not an automatic right. You still need to meet the lender’s criteria for the new borrowing.
3. Moving and settling-in costs
The removal lorry is only one line in this section. Get quotes based on the real job: access, distance, packing, storage, dismantling furniture and completion-day timing can all change the price.
Then account for the costs that show up once the keys are in your hand. You may need new locks, buildings insurance from exchange of contracts, cleaning, basic decorating, appliances, curtains, broadband installation and garden work. If you are moving into a leasehold flat, include any service charge and ground rent due shortly after completion.
You do not have to renovate everything in the first month. In fact, you probably should not. Live in the property long enough to learn what genuinely needs changing. Budget first for safety, warmth, security and anything required to make the home functional.
4. A contingency fund
This is the pot people ignore until a survey finds damp, a buyer asks for a reduction, or your completion date changes and you need storage. Keep a contingency fund that is separate from your deposit and separate from your normal monthly emergency savings.
There is no magic number. A straightforward move to a modern property may need less headroom than a move involving an older home, a long chain or significant renovation. The point is not to predict every surprise. It is to ensure a surprise does not derail the purchase.
Do not confuse mortgage affordability with move affordability
A lender assesses whether it is prepared to lend. That is not the same as deciding what will leave you financially comfortable.
Before you offer, run your own monthly budget using the likely mortgage payment at the current rate and at a higher rate. Include council tax, utilities, buildings and contents insurance, service charges where relevant, commuting, childcare, debt repayments and ordinary life. Food, holidays, car repairs and birthdays do not disappear because you have moved house.
Be especially careful with a larger mortgage that looks manageable only because the introductory rate is low. Ask what happens when the fixed period ends. A cheaper headline rate can be offset by a hefty fee, poor flexibility or a product that does not suit your plans. The best mortgage is the one that works as part of the whole move, not the one with the flashiest number on an advert.
Plan for the awkward timing of a chain
Most home moves do not run in a neat straight line. You may exchange later than expected, complete on a different date, or face a gap between selling and buying. If you are renting temporarily, you could be paying rent and mortgage-related costs at the same time. If you buy before you sell, there may be additional tax implications and expensive short-term finance to consider.
Ask your solicitor early about likely payment dates. Some costs are paid upfront, such as surveys and searches. Others are settled from sale proceeds at completion. Knowing when money leaves your account matters just as much as knowing the total.
Keep a simple moving cash-flow sheet with three columns: the cost, the estimated amount and the date it is due. Update it whenever the chain changes. This prevents the classic mistake of having enough money on paper but not enough accessible cash on the day a fee is required.
Make decisions in the right order
First, establish your realistic equity or deposit. Next, estimate all transaction and moving costs. Then decide what monthly payment still lets you live normally and save after completion. Only then should you settle on a sensible purchase price.
This order matters because stretching for a more expensive property often triggers more than a bigger mortgage. It can mean higher stamp duty, a larger deposit requirement, bigger estate agent fees on your sale if you are upsizing, and less breathing room when the boiler fails.
An impartial mortgage adviser can help you test the mortgage side before you commit to a property or a product. Mortgage Genius can assess options from a wide lender panel and explain the trade-offs in plain English, so you are not left trying to decode lender criteria and fee structures alone.
The number that protects your move
Your budget is working when it gives you a clear maximum purchase price, a clear monthly limit and cash left over after completion. That last part is not a luxury. It is what stops your exciting new home becoming a financial pressure cooker.
Get the figures on paper before you fall in love with the kitchen. A confident offer starts with a budget that can survive real life.
