Index › Market Mechanics
What Moves House Prices
Price is the last thing to move and the first thing to be discussed. Sorting the causes by their speed makes the sequence of a market cycle much easier to follow.
CCredit, the fastest lever
Most houses are bought with borrowed money, and most buyers shop by monthly payment rather than by price. That single habit makes the cost of credit the fastest-acting force in housing. When borrowing costs fall, the payment a given buyer can support buys a larger sum, and the sum bid for houses rises with no change in the houses themselves. When borrowing costs rise, the same arithmetic runs backwards.
The effect is not symmetrical. Falling rates push prices up quickly, because buyers act on the new arithmetic immediately. Rising rates push prices down slowly, because sellers hold out, and because owners sitting on cheap existing loans become unwilling to move at all. That reluctance drains the flow described elsewhere on this site and can leave a market with high borrowing costs, low sales and prices that stubbornly refuse to fall.
Credit conditions include more than the headline rate. How much deposit lenders require, how they treat variable income, and how strictly they apply their tests all change the number of people who can bid at all.
IIncomes and employment
Over any long period, house prices in a place are anchored to what the people who live there earn. Credit can lift prices away from that anchor for years at a time, but the anchor does not move, and the gap eventually closes from one end or the other.
What matters locally is not the average wage but the distribution and the reliability. A city with a broad base of stable employment supports steady demand across the whole range of its housing. A city whose earnings are concentrated in one industry has a housing market that inherits that industry's cycles, and its neighbourhoods will show the inheritance in their maintenance and turnover long before any index does.
TThe cost of building
New construction sets a ceiling of sorts. If an existing house sells for materially more than the cost of building a comparable one on available land, building becomes attractive and supply eventually responds. If it sells for materially less, nothing new is built, and the stock simply ages.
The ceiling is soft, because the cost of building is not a single number. Materials, labour, finance during construction and the time taken to obtain permission all vary, and the last two can dominate. A market where approval is slow effectively has a higher construction cost than its lumber prices suggest, and its existing houses carry a corresponding premium.
LLand and what may be done with it
In a settled city, land is the scarce ingredient and the building is the cheap one. That is why two houses of identical construction can differ enormously in value: the difference is the ground and its permissions.
What is permitted on a parcel is part of its value. A lot that may hold a duplex is worth more than an identical lot that may not, because the permission is itself an asset. Changes to what may be built therefore move prices without a brick being laid, and they move them unevenly, concentrating the effect on parcels where the existing building is worth least relative to the ground beneath it.
AAccess and amenity
Access is the oldest determinant of urban land value and remains the strongest. Proximity to work, to transit, to a shop worth walking to, to a park, to a school that parents want, all capitalise into price. So does the absence of things: through traffic, noise and industrial frontage subtract as reliably as amenity adds.
Amenity effects are sharply distance-dependent. The value of a park falls away within a few blocks; the value of a rail stop falls away within a walk. This is why price maps of a city look granular rather than smooth, and why a single street can be a boundary.
CCondition, plan and the things nobody photographs
At the level of the individual house, condition dominates. A sound roof, a dry basement, serviceable heating, wiring that meets current expectations and windows that hold heat are worth more than any amount of finish, because a buyer who has to replace them is buying a project as well as a house.
Plan matters more than square footage. A layout that puts a bedroom off a kitchen, or forces circulation through a living room, imposes a permanent cost that cannot be decorated away. Buyers discount it even when they cannot articulate why.
These are the factors that move an individual sale away from its market context, and they are the reason an average is a poor guide to any particular transaction.