There is a lot of information available about buying a house. Most of it covers the process: get a mortgage in principle, find a solicitor, make an offer, instruct a survey, exchange, complete.
What it tends not to cover is the texture of the experience. The specific, uncomfortable, occasionally maddening things that everyone who has bought a house knows and nobody thinks to say out loud — until you are in the middle of them.
Here are twenty-one of those things.
1. Your mortgage in principle is not a guarantee
A mortgage in principle is a preliminary assessment — the lender's initial indication that, based on your income and a soft credit check, they would consider lending you a specific amount. It is not a formal mortgage offer.
The full underwriting happens after you have an accepted offer. Your actual income documents are reviewed. The property is valued. Your credit file is checked again. Any significant change — a new credit card, a redundancy, a property the surveyor flags as problematic — can result in an offer that differs from your AIP, or no offer at all. Do not treat the number as money you definitely have.
2. Solicitors operate in geological time
The legal process of buying a house — conveyancing — moves at a pace that will test your equanimity. Weeks pass without contact. A form you sent on Monday generates a response three weeks later. "We're waiting on the local authority searches" is a phrase you will hear for longer than seems physically possible.
This is not (usually) negligence. The conveyancing system involves multiple parties, local authorities, and the Land Registry, all operating on their own timelines. Build your mental model around this, not the six-week completion you read about online.
3. The survey will find something
Every survey finds something. The question is what, and whether the cost of addressing it is significant relative to the purchase price.
A competent surveyor's job is to be thorough, which means documenting every cracked tile, every area of potential damp, every window frame that might need attention in the next few years. Receiving a survey report that runs to fifty pages does not necessarily mean the property is unsound. It means the surveyor did their job. Read the executive summary, look at the items flagged as urgent or requiring specialist attention, and proceed from there.
4. "Needs some updating" is estate agent for 1987
Estate agent marketing language has a private dictionary. Some translations:
Characterful — structurally peculiar in ways that may affect your mortgage. Deceptively spacious — smaller than the photographs suggest. Well-presented — staged for photographs. Needs updating — nothing has been touched since the second Thatcher administration. Ideal for buyers looking to add their own stamp — you will need to gut it.
None of this is dishonest. It is marketing. Read it accordingly.
5. You will view properties above your budget and compromise your own happiness
Rightmove does not enforce your search filters. You will, at some point, click through to a property £40,000 over your limit. You will view it. You will love it.
After that, every property within your budget will feel like compromise. The kitchen will seem smaller. The ceilings lower. The garden somehow inadequate. You have calibrated your expectations against a property you cannot buy.
Be disciplined about what you view. The emotional cost of the aspirational property is real, and it accrues.
6. The chain is everyone else's problem becoming yours
In most UK property transactions, you are part of a chain: a sequence of buyers and sellers whose transactions are interdependent. The person you're buying from is buying elsewhere. Their seller is also buying. At any point in this structure, someone can pull out, experience a death in the family, lose their job, find a problem in their own survey, or simply go quiet for two months.
Chains collapse. When they do, it is not your fault, and it is entirely your problem. A sale falling through at week sixteen is not unusual. Build your emotional resilience accordingly.
7. Exchange and completion are not the same day
You will hear these two words used almost interchangeably. They are entirely different events.
Exchange is when both parties sign contracts and the agreement becomes legally binding. You pay your deposit. Neither party can withdraw without significant financial penalty. You feel euphoric.
Completion is when legal title transfers, the purchase price is paid, and you get the keys. This typically happens one to four weeks after exchange. You do not own the property between exchange and completion. You have a contractual right to complete. There is a difference.
8. The total cost of buying is significantly more than your deposit
The deposit is the headline number. It is not the only number.
Solicitor fees, local authority searches, Land Registry fees: £800–£1,800. Survey: £400–£1,200. Mortgage arrangement fee: £0–£1,500. Buildings insurance (required from exchange): £150–£400 per year. Removal company: £400–£1,500. Then the boiler service. Then the carpets.
Budget a minimum of 3–5% of the purchase price as additional transaction costs. It is not unusual for a £250,000 purchase to require £10,000 beyond the deposit.
9. Estate agents work for the seller, not you
This is not cynicism — it is the contractual reality. The estate agent is instructed by, paid by, and legally obligated to represent the vendor's interests. Their fee is a percentage of the sale price. A higher price means more for everyone except you.
The agent will be pleasant. They will answer your calls. They may even seem to be helping you. But before you treat them as an advisor on whether to increase your offer or what the property is really worth, remember whose side they are on. It is not yours.
10. The property will look completely different when it's empty
You view the property staged: furniture, lighting, rugs, curtains that soften the windows, personal belongings that make it feel lived-in and warm.
You see it on completion day. Empty, it will feel cold, smaller, and slightly bleak. There may be marks on the walls where pictures hung. The carpets will show their age. The kitchen will echo.
This is normal. The property didn't change; your perception of it did. What you are evaluating is the structure, the light, the size, the bones — not the staging. Keep that in mind during viewings.
11. Rightmove becomes a dependency
There will come a point — usually during month two of active searching — when you are checking Rightmove at midnight. You will have saved searches for postcodes you have no intention of buying in. You will have memorised the floor plan of a Victorian terrace in M21 you cannot afford and will never view.
This is the searching stage. It is finite. The obsession has a natural end point, which is either purchasing a property or deciding to rent for another year. Both are acceptable outcomes.
12. Your mortgage rate will not be the advertised rate
The headline rate you see advertised is for the most favourable borrower profile: 40% loan-to-value, salaried employment of five or more years, excellent credit history. You may be that borrower. You may not.
Your actual offered rate depends on your LTV, the source and structure of your income, your credit file, and current market conditions. The gap between the advertised rate and your offered rate can be meaningful — particularly at higher LTV ratios. Get a mortgage in principle before you plan your finances around a number you saw in an advert.
13. Leasehold is a genuinely different product
When you buy a leasehold flat, you are not buying the building. You are buying the right to occupy your portion of it for a fixed term — typically 99, 125, or 999 years from the original lease date.
This matters because: service charges are set by the freeholder or managing agent, not you. Ground rent may apply. Cladding remediation costs can fall to leaseholders. Any alteration to the property requires consent. And a lease with under 80 years remaining becomes progressively harder and more expensive to extend. If you are buying a leasehold property, read the lease. All of it.
14. The neighbours matter more than the house
The kitchen can be replaced. The bathroom can be renovated. The garden can be landscaped over time. The neighbours are effectively permanent.
Terraced and semi-detached properties share walls. You will hear them, and they will hear you. You will share a boundary. In some configurations, you will share a driveway. Before completing on a terraced property, knock on the neighbour's door if you can. Visit the street at different times of day. The house is a fixed asset; the living environment around it is not.
15. "Period features" can be a warning as much as a selling point
Victorian and Edwardian properties are genuinely beautiful, and genuinely more expensive to run and maintain than modern builds. Solid walls without a cavity are difficult and expensive to insulate. Single-glazed sash windows are characterful and cold. Original wiring that hasn't been updated is a fire risk. Period timber floors that move are charming and draughty.
None of this is disqualifying. But when you are calculating the true cost of ownership, running costs matter as much as the purchase price. Ask the seller for energy bills. Look at the EPC rating. Budget for the upgrade cycle.
16. On the day you exchange, you still don't own the property
Exchange is the point at which the contract becomes legally binding. It is also the point at which buyers typically feel they can relax.
Legal title — ownership — does not transfer until completion. Between exchange and completion, you have a contractual right to complete. The seller cannot withdraw without significant penalty; neither can you. But the title is still registered in the seller's name. The keys are still with the estate agent. You own a very solid legal promise. The house itself comes on completion day.
17. Buildings insurance is required before you own the property
Most mortgage lenders require evidence of buildings insurance from exchange, not from completion. Which means you need to insure a building you do not yet own, against damage that would technically be the seller's immediate problem until completion.
The reason is risk management: if the property were damaged between exchange and completion, the lender wants to know the security for their loan is covered. Get the policy sorted as soon as you have exchanged. It is one of several things your solicitor will remind you about, but check anyway.
18. Completion day is surprisingly anticlimactic
After months of viewings, rejected offers, surveyors, solicitor chases, and the low-level anxiety that something will fall through, completion day usually goes like this: you wait by your phone. Your solicitor calls to confirm the funds have transferred. The estate agent calls to say the keys are available. You drive to the estate agent's office, sign a form, and receive a key.
That is it. There is no ceremony. No handshake with the seller. No moment of formal transfer. Just a key, handed across a desk in an estate agent's office.
It is still a good day. It is just quieter than you expect.
19. The lender will ask for documents you have never heard of
The mortgage application process involves a level of documentation that suggests your lender fundamentally does not trust you, which in fairness is their job. Three months of bank statements. Most recent payslips. P60. If self-employed: two years of SA302 forms and corresponding tax year overviews. Proof of deposit source. If part of the deposit was gifted: a letter from the person who gave it, confirming it is not a loan.
Occasionally: a letter explaining an irregular transaction from several years ago.
Have everything organised before you start. Being asked for the same documents multiple times is normal; being unable to find them is a delay you cannot afford.
20. You will spend money you did not budget for in year one
The boiler will need a service, or a new part, or replacement. The carpets in the bedroom are not what they appeared in the photographs. There is a damp patch that only reveals itself in November. The garden is, on closer inspection, years of unmanaged growth. A fence panel goes in the first storm.
This is not a failure of due diligence. It is the reality of owning a building. Experienced homeowners maintain a contingency fund specifically for year-one surprises. If you have nothing left after your deposit and transaction costs, that is not an emergency — but it is a source of stress you can plan for.
21. You will feel exhausted and then, eventually, completely at home
The process is long, expensive, stressful, and frequently opaque. It involves multiple parties who are not particularly motivated to make it easy for you. It will take longer than you planned and cost more than you budgeted.
And then one day — weeks or months after completion, not on the day itself — something shifts. The house stops feeling like a place you are staying. It starts feeling like yours. The exhaustion recedes. What is left is a building you worked hard to buy, in a neighbourhood you chose, that belongs to you in a way that cannot be undone by a landlord's decision.
That part is harder to describe, so people tend not to mention it. But it is there, at the end of all of it.
This guide is information only. Dom does not provide financial, mortgage or legal advice. Always consult a qualified adviser for decisions specific to your circumstances.