The primer
This site explains how housing works, in plain language and in order. It is writing about the subject: how prices are formed in a market where almost nothing trades, what actually happens between an offer and a set of keys, what a survey is looking at, what a loan really costs across its life, and why two streets a few hundred metres apart behave like separate countries. Nothing is sold here and no property, loan or legal situation is assessed.
From the notebook
What this primer covers
Housing is usually discussed as a price series, which is the least informative way to approach it. A housing market is better understood as three things held together: a stock of dwellings that barely changes, a small and volatile flow of them onto the market, and a bargaining process that sets a price at the margin between the few buyers and few sellers active at any moment. Almost every confusing feature of the subject — why prices move faster than supply, why volumes collapse before values do, why an average tells you nothing about your own street — falls out of that structure.
Sitting underneath the market is the machinery: the ordered stages of a purchase and a sale, the inspection that tells you what you are taking on, the legal work that establishes what you are actually buying, and the loan arithmetic that quietly sets the ceiling on what anybody can bid. These are mechanical, learnable and much less mysterious than they appear from outside.
Underneath that again is the ground. The pattern of streets and plots in any settled place is older than the buildings on it and outlasts them, and it explains more about what a neighbourhood is like to live in than any description of the houses. The last part of the primer is about learning to read it.
- One Market — how a local market works and what moves prices.
- Two Transactions — buying, selling, surveys, searches and title.
- Three Money and renting — mortgages, and the cost of occupation.
- Four Place — reading a neighbourhood, how it formed, what it is built of.
Market
What actually moves prices
The first-order answer is credit. Buyers do not shop for houses; they shop for the largest advance a lender will make against their income, and that advance is decided by an affordability test carried out at an interest rate rather than at the rate on offer. When the tested rate rises, the supportable loan falls immediately, without anybody's circumstances changing. That is the whole transmission mechanism from a monetary decision to the price of a terraced house.
Second-order answers follow: how much is listed and how quickly, what it costs to move at all, and what everybody believes is about to happen. New building is the answer people reach for first and it is the weakest lever in the short run, because even a strong year adds a fraction of a per cent to the stock and adds it at the edges rather than in the streets under pressure.
Market
Why the local number beats the national one
Within any town there are groups of dwellings that trade almost independently of each other. Small flats near a station, a 1930s semi-detached suburb, a postwar estate at the edge and a handful of large old houses have different buyers, different financing, different sensitivity to borrowing costs and different reasons for turning over. They are four markets sharing a postal address.
An average taken across them describes none of them. Worse, it moves whenever the mix of what happened to sell changes, so a reported rise can occur in a period when every individual dwelling in the town became slightly less valuable. The useful figures are local and structural: how many properties are listed compared with a year ago, how long they have been listed, how many have been reduced, and what is actually completing in the specific submarket you care about.
Transactions
How a sale moves, stage by stage
Every transaction passes through the same sequence, and the sequence matters more than any single stage in it. The stages below are the seller's view; the buyer's runs alongside it and depends on it at every point.
| Stage | What happens | Who acts | What can stall it |
|---|---|---|---|
| 1. Preparation | Paperwork gathered, obvious defects addressed or disclosed, the property made legible rather than staged. | Seller | Missing certificates or consents for past work surfacing late in the legal stage. |
| 2. Pricing | A figure set against what comparable properties have achieved, not against what they are asking. | Seller, agent | Anchoring on an optimistic opening figure and losing the first weeks of attention. |
| 3. Marketing | Photographs, floorplan and description published; the property enters its period of maximum visibility. | Agent | Poor photographs, no floorplan, or a launch into a quiet part of the year. |
| 4. Viewings | Interested parties visit, usually twice. Feedback is collected and read honestly. | Agent, buyers | Consistent feedback about price or a fixed defect being dismissed rather than acted on. |
| 5. Offers | Offers compared on price, financing, chain length, timing and conditions together. | Seller | Choosing the highest number attached to the least certain position. |
| 6. Agreed | Sale agreed subject to contract; legal representatives instructed on both sides. | Both parties | Delay instructing; the buyer continuing to look; a rival offer arriving. |
| 7. Enquiries | The buyer's legal representative raises enquiries; the seller answers and supplies documents. | Seller, legal representative | Slow or partial answers; a missing consent for an extension or alteration. |
| 8. Exchange and completion | The binding step, then the completion date, aligned across the whole chain. | Both parties | One chain member unable to meet the agreed date. |
The whole primer
Twelve pages, in four parts
- MarketHow a local housing market actually worksA housing market is not a price.
MarketWhat actually moves house pricesPrices are set by what buyers can borrow, what they must pay to hold a home, how much is for sale, and what everybody thinks is about to happen.
TransactionsBuying a home, step by stepThe order of a purchase matters more than any single stage in it.
TransactionsSelling a home, step by stepSelling is a pricing decision followed by a project-management problem.
TransactionsSurveys and inspections: what is being looked atA survey is not a pass or a fail.
TransactionsSearches, title and the legal stageBuying a home means buying a bundle of rights and obligations attached to a piece of ground.
Money and rentingMortgages in plain termsA mortgage is a long loan secured on a building.
Money and rentingRenting against owningThe comparison is almost never the one people make.
PlaceReading a neighbourhood on footA street tells you when it was built, what it was built for, and how it has been treated since.
PlaceHow neighbourhoods came to look the way they doMost towns are a sequence of expansions, each one following whatever it was cheap to travel by at the time.
PlaceHousing types, and what each one impliesThe form of a dwelling predicts a great deal about it: how it is heated, what it costs to keep, which walls are shared, and who else has a say in decisions about it.
PlaceA glossary of housing and transaction termsPlain definitions of the words used across this primer.
Reading paths
Three ways through this material
The pages stand alone, but they were written in an order. If you have arrived with a particular question, these are the routes that answer it with the least backtracking.
1
A first purchase
Understand the market you are entering, then the borrowing that sets your ceiling, then the order of the transaction, and only then the two stages that decide whether it completes.
2
A sale
Start with what is actually moving prices in your submarket, because the pricing decision is made first and is the hardest to undo. The rest is sequencing and paperwork.
3
Deciding whether to buy at all
Do the cost-of-occupation arithmetic before anything else. If the gap is small, the decision is about mobility and security, and reading a place matters more than reading a market.