Should I renovate or move? How to decide with your own numbers

The direct answer

Renovate if the work fixes what is actually wrong with your home, the total project cost is well under what you would lose to transaction costs plus the extra interest on a new mortgage, and you plan to stay long enough for the value you add to matter. Move if the problem is the location, the lot or the neighborhood, if the renovation you need costs a large share of your home’s value and recoups little of it, or if the home you would buy is cheaper than the one you own. For most households in 2026 the deciding factor is the mortgage: giving up a 3% loan for a 6.7% loan on a larger balance routinely costs more over ten years than any renovation you would realistically do.

That is a general answer. Yours depends on perhaps a dozen numbers that are specific to you, and the point of this guide is to show which of them matter and by how much. Where we quote figures, they come from the Hearthfork calculator run on three example households whose inputs are listed in full, so you can check the work.

Why the usual advice does not settle it

Search the question and you will find the same list on every site: Do you love the location? Is the renovation cost less than 10 to 15% of your home’s value? Will you over-improve for the neighborhood? Can you live through construction? Those are reasonable prompts, but they do not produce a decision, because they do not weigh against each other. A household can love the location, plan a modest project and still be better off moving, or hate the kitchen and still be far better off staying because of the mortgage they hold.

The honest way to compare is to simulate both futures for the same household over the same number of years and compare where you end up. That means tracking equity in each home, the interest paid on each loan, the cash that leaves the household each month, the one-time costs of the transaction, and what the cheaper path’s spare cash could have earned. That is what the calculator does, and the rest of this guide explains what falls out of it.

The six questions the decision turns on

Everything else is detail. If you can answer these six, you know most of what the model knows.

1. What is your current mortgage rate, and what would a new one cost? The gap between the two, applied to the full balance of the new loan, is usually the largest single number in the comparison.
2. How much more (or less) would the replacement home cost? A bigger price means a bigger loan at the new rate, higher taxes and insurance, and larger appreciation in dollar terms.
3. What will the renovation really cost, including contingency and soft costs? Houzz’s 2026 study reports that 37% of renovators exceed their budget; a 15% contingency is the default and 10 to 30% is common.
4. How much of that cost will the home’s value recoup? Additions recoup roughly a third; cosmetic work can recoup most or all. The part that is not recouped is the true cost of renovating.
5. How long will you stay? Transaction costs and renovation losses are paid up front; rate savings and appreciation accrue over time. The horizon decides which dominates.
6. Can a renovation fix what is wrong? More space, another bathroom, a better layout: yes. Schools, commute, lot, neighborhood: no.

When renovating usually wins

Renovating tends to win when three things line up. First, your existing mortgage rate is well below the current market. Roughly half of outstanding U.S. mortgages carried a rate under 4% and about two thirds were under 5% as of the first quarter of 2026, according to the FHFA National Mortgage Database as summarized by Calculated Risk and Wolf Street (July 1, 2026); the Freddie Mac 30-year average was 6.67% on August 13, 2026. Second, the home you would buy instead costs meaningfully more than yours, so the new loan is larger as well as more expensive. Third, the renovation is modest relative to your home’s value and fixes the problem that is making you consider leaving.

When those hold, the comparison is lopsided. In the first worked scenario below, a household with a 2.75% mortgage and a $900,000 replacement home ends ten years approximately $357,000 better off by renovating, and the calculator’s sensitivity tests cannot find a single reasonable change in assumptions that reverses it. The rate gap alone accounts for about $356,000 of that gap. You would have to spend roughly $391,000 on the renovation before moving became the better financial choice.

When moving usually wins

Moving tends to win in three situations. The first is when the renovation is very large relative to the home’s value and recoups little, which is typical of major additions and whole-house gut renovations. The second worked scenario shows a $400,000 addition that recoups 40% of its cost; the household is approximately $653,000 better off moving, and renovating would only make sense if the project cost could be cut to about $71,000. The second situation is when you would move to a cheaper home. Downsizing frees equity and reduces carrying costs, and even a large rate gap usually cannot overcome that, as the third scenario shows. The third situation is when your existing rate is not much below the market, which removes the main advantage of staying put.

How your mortgage rate changes the decision

A mortgage is not just a monthly payment; it is a price for borrowing that you locked in for up to thirty years. When you move, you give up that price and take today’s. The difference shows up in three places: a higher monthly payment on the new loan, more cumulative interest paid over your horizon, and a larger remaining balance at the end because a higher-rate loan amortizes more slowly. The calculator isolates all three by re-running the move path with the new mortgage priced at your old rate and reporting the difference.

The effect is large enough that it frequently decides the question on its own, but it is not always decisive. If you are downsizing, the new loan may be small enough that the rate barely matters. If your current rate is already above 5%, the gap to today’s market is modest. The mortgage rate lock-in guide works through the mechanics and the cases where moving wins despite a low rate.

Transaction costs: what selling and buying actually costs

Using the calculator’s sourced defaults, selling a $550,000 home costs about $44,600 before you have bought anything: 5.7% commission ($31,350, Clever Real Estate survey, February 2026), 1.5% seller closing costs ($8,250, Zillow, September 2025), and $5,000 of pre-listing repairs and staging. Buying a $900,000 home adds about 3% in closing costs ($27,000) and $3,000 for the move, for a total of roughly $74,600 that builds no equity in either home. Commissions are negotiable and vary by market, which is why every line is editable. The cost of moving vs renovating page lists each item with ranges and sources.

Renovation value recapture: the part you never get back

The 2025 Cost vs. Value report from JLC and Remodeling estimates the share of project cost recovered at resale. A midrange primary-suite addition recoups about 32% and an upscale one about 18%. A midrange major kitchen remodel recoups about 51%; a minor kitchen refresh about 113%. A midrange bathroom remodel recoups about 80% and an upscale one about 42%. Exterior projects such as a garage door or steel entry door recoup well over 100%. The calculator’s blended default is 60%, and you should adjust it to the kind of work you are planning.

This matters because the unrecouped share is a cost in exactly the same way commission is. Spending $187,000 on a project that adds $104,000 of value, as in the first scenario, costs you about $83,000. It can still be the right call, because the alternative costs more, but it should be counted.

How long you will stay

Redfin reported a median homeowner tenure of about 12 years in March 2026, and the National Association of Realtors put the median seller tenure at 11 years in its November 2025 profile. The calculator defaults to 10 years so results do not rely on a longer stay than most people manage. The horizon matters because each path’s costs arrive on different schedules: transaction costs and the unrecouped part of a renovation are paid immediately, while the rate gap and the difference in appreciation compound year after year. In the near-tie scenario below, moving leads for the first eleven years and renovating overtakes it around year twelve. If you are unsure how long you will stay, run the calculator at five and fifteen years and see whether the verdict holds.

Problems renovation cannot solve

A renovation can add a bedroom, a bathroom, square footage or a better floor plan. It can modernize a kitchen and fix deferred maintenance. It cannot change the school your children are assigned to, shorten your commute, enlarge the lot, or improve the neighborhood. If any of those is among your top reasons for considering a change, the financial comparison is only half the decision, and the calculator says so: it asks why you want to change something and flags reasons that are tied to location. A household whose priorities are schools and commute may see a $350,000 financial case for staying and still, correctly, decide to move.

Three worked scenarios

Each table below is produced by running the calculator’s engine on a fixed set of inputs. All three households start from the same $550,000 home with a $300,000 mortgage balance and compare over ten years; what differs is the rate, the renovation and the replacement home.

Scenario A: low rate, expensive replacement home

A 2.75% mortgage, a $150,000 renovation that adds space and updates the kitchen and bathrooms, versus a $900,000 home at 6.75%. This is the textbook case for staying.

Scenario B: a very large renovation

A 5.5% mortgage, a $400,000 addition with a 20% contingency that recoups 40% of its cost, financed on a HELOC at 8.5% with $24,000 of temporary housing, versus a $650,000 home at 6.5%. The rate gap is small and the project is enormous.

Scenario F: downsizing to a cheaper home

A 3.5% mortgage and a $120,000 renovation versus a $400,000 home at 6.67%. The household’s reason for moving is a different location, which no renovation can deliver. Moving frees cash at the start and reduces monthly costs, and that outweighs the rate gap even though the rate gap is worth about $95,000 in renovating’s favor.

What changes the answer

For every result the calculator tests nine assumptions one at a time and reports whether any of them flips the verdict: renovation cost (15% lower and 25% higher), contingency (none and 15 points more), value recouped (20 points either way), appreciation on each home (1.5 points either way), the new mortgage rate (one point either way), the replacement price (10% either way), the return on retained cash (two points either way) and the horizon (five years shorter and longer). Scenario A survives all of them. Scenario F flips only if the current home appreciates 1.5 points faster than assumed. A near-tie like scenario C flips on every one of them, which is the model’s way of telling you to stop refining the spreadsheet and decide on other grounds.

The things most likely to reverse a verdict, in rough order of how often they do, are: the appreciation you assume for each home, how long you stay, the replacement home’s price, the new mortgage rate, and the renovation’s cost and value recapture. The break-even guide explains how to read the solver outputs that tell you exactly where each of these crosses over.

How to use the calculator

Start with your current home’s estimated value, mortgage balance, rate and remaining term. Enter a renovation estimate; if you only have a rough number, leave the 15% contingency in place and set the value-recoup percentage to match the type of work (lower for additions, higher for cosmetic updates). Enter the price of a home you would realistically buy and the rate you have been quoted. Pick the number of years you expect to stay. Then select the reasons you are considering a change so the tool can tell you whether renovation addresses them.

Read the verdict last. Read the drivers first, because they tell you which numbers carry the result; then the break-evens, which tell you how far each number could move before the answer changes; then the stability label. If the result is a close call, that is a real finding, not a failure: it means the financial case is balanced and you should choose on disruption, timing and what you actually want your home to be.

Common questions

Is it cheaper to renovate or to move in 2026?

For a household with a sub-4% mortgage considering a more expensive replacement home, renovating is usually cheaper by a wide margin over a ten-year horizon. For households with rates near the current market, households downsizing, or households facing a renovation that costs more than about half the home’s value, moving is often cheaper. The only way to know is to compare your own numbers.

Should I renovate or move if I need more space?

Additions are the most expensive kind of renovation per dollar of value created, recouping roughly a third of their cost, so the case for adding on rests on the transaction costs and rate gap you avoid. It tends to work when you have a low rate and the larger home would cost substantially more; it tends to fail when the addition is large relative to the home’s value. Angi put the average U.S. addition at about $51,000 in May 2026, with ground-floor additions at $80 to $200 per square foot and second stories at $300 to $500.

Should I move for a better school district instead of renovating?

The calculator will tell you what staying is worth financially, but it cannot renovate a school boundary. If schools are your top priority, treat the financial result as the price of the move, decide whether the schools are worth that price, and use the break-even outputs to find a replacement price that keeps the cost manageable.

How much renovation is too much?

The calculator answers this directly with a maximum renovation budget: the hard cost at which renovating and moving come out equal under your assumptions. Beyond that figure, moving is the better financial choice. In scenario A it is roughly $391,000; in scenario F it is only about $48,000.