Why Two Houses the Same Size Sell for Different Money

Appraisers have a term for a house that works less well than its dimensions suggest: functional obsolescence. It is the gap between what a property contains and what a buyer can actually do with it, and in Greater Boston, where a great deal of the housing stock was laid out for households that no longer exist, it is one of the largest sources of unexplained price difference between otherwise similar houses.

Two 1,900 square foot colonials on the same street, same age, same condition, same lot. One sells quickly at the top of the range and the other grinds. Nine times out of ten the difference is not the finishes. It is the plan.

The faults buyers price hardest

A bedroom reached through another bedroom. The most expensive layout fault in ordinary housing stock, because it removes a bedroom in practice while leaving it in the listing. A four-bedroom house where the fourth is a walk-through is a three-bedroom house with a study, and the market prices it that way.
No bathroom on the bedroom level. Common in capes, in converted attics, and in houses where a third floor was finished without plumbing. Buyers with children treat this as close to disqualifying.
No half bath on the main floor. Guests use the family bathroom or go upstairs. Fixable more often than people assume, and frequently the single best-value improvement in the house.
One full bathroom for four bedrooms. Not fatal, always discounted, and worth understanding before you list rather than after four weekends of showings.
The kitchen closed off from everything. The strongest sustained preference in the market for two decades has been for the kitchen to see the room where the family actually is. A kitchen behind a wall, with a formal dining room nobody uses on the other side, is the most common renovation request in the older stock and buyers price the work in.
The laundry in an unfinished basement, down a narrow staircase, when a first-floor or upstairs location was possible.
Bedrooms that cannot hold furniture. A nine-by-nine room with a door, a closet door and a radiator has no wall a bed fits against. Square footage says bedroom, use says otherwise.
A primary bedroom with no closet and no room to build one. Older houses genuinely predate the expectation. The market has not adjusted its expectation back.
Circulation through living space. Reaching the garage, the basement or the back yard through the middle of the living room.

The faults that are cheaper to fix than people think

This is the useful part for a seller, because a layout problem you can solve for a contained number is one you should not be discounted for.

Adding a first-floor half bath, where a stack, a closet or an under-stair space is already available. Usually the highest return per dollar of any layout work in an older house.
Opening a kitchen wall, where the wall is not structural or where the structure can be carried by a beam. The difference between a non-bearing partition and a bearing wall is the entire cost question, and it is answerable in one visit.
Relocating laundry to the first floor or the bedroom level when drainage, venting and a suitable closet already exist nearby.
Creating a real primary closet out of an adjacent small bedroom or an unused hall, in a house that has bedrooms to spare.
Finishing an attic or basement to code, where head height and egress already comply. Where they do not, the cost moves into a different bracket entirely and the space is rarely counted as living area regardless. Which renovations pay back covers the wider question of what returns and what does not.

The rule of thumb worth holding: work that changes how the house is used tends to return better than work that changes how it looks. A half bath beats a new backsplash, and it is not close.

The faults that are permanent

Some things cannot be designed out at any sane cost, and the right response is to price them correctly rather than to hope.

Low ceilings. A seven-foot basement or a cramped upper floor is structural, and buyers feel it before they can name it.
A split-level or raised ranch plan. A specific style with a specific and smaller buyer pool. Nothing is wrong with either; they simply sell to fewer people, and a smaller pool is a lower price and a longer market time.
A poor relationship to the lot — the main living space facing the road while the garden sits behind a blank wall, or a kitchen with no window onto the yard.
The stairs landing in the wrong place, so the house has no entry.
Too many small rooms in a house too small to lose walls. Beyond a certain density of partitions, opening the plan means rebuilding the structure.

Why size alone does not settle it

This is why price per square foot travels so badly between houses, as reading a comp sets out in more detail. Square footage counts space. It does not count whether the space is arranged into rooms people want, in an order people can use, with the plumbing where it needs to be.

A 2,200 square foot house with four usable bedrooms, two and a half baths and an open kitchen will outsell a 2,400 square foot house with three usable bedrooms, one and a half baths and a warren of small rooms. The bigger house loses, and the data will call that anomalous while every buyer who walked both understood it immediately.

What a seller should do about it

1.Walk your own house as a stranger. Come in the front door and follow the route a buyer takes. Where do you hesitate? That hesitation is the discount.
2.Get a contractor's opinion on the one thing you would change, before you decide whether to fix it or price it. The number is usually smaller or much larger than you assumed, and either answer is decisive.
3.Fix what is genuinely cheap and genuinely limiting. Do not renovate broadly before a sale; fix the one thing that reclassifies the house.
4.Where the fault is permanent, put it in the price rather than in the second month on market. A house priced for its plan sells. A house priced for its square footage sits, and then sells for less after a reduction — see when to reduce the price.
5.Do not market a bedroom the plan does not deliver. Every buyer who arrives expecting four and counts three leaves annoyed, and annoyance is not a negotiating position you want.

And for buyers

A layout fault that is fixable is a discount you can capture. A layout fault that is permanent is a discount you will hand to the next buyer when you sell, so you want to be certain you are being paid for it now. Take a contractor through before your inspection contingency expires, and get the beam question answered on site rather than in a forum.

The houses worth the most attention are the ones the market has discounted for something reversible. That is the whole trade, and it is available far more often in the older Massachusetts stock than anywhere newer.