Ownership
Which renovations actually move the appraised value of your home
Not every dollar spent on a renovation shows up in your home's valuation. Here is what does.
March 2, 2026 · 7 min read
Homeowners planning a renovation often ask how much it will add to their home's value before they ask how much it will cost. The honest answer is that most projects return less than they cost in cash, but some move the appraised number more reliably than others.
What appraisers weigh most heavily
A valuation is built primarily from comparable sales, adjusted for differences in size, condition, and features. Renovations that change how a property compares to similar homes, such as adding legal living space or bringing a kitchen up to current standards, tend to have the clearest effect on the final number.
- Adding a legal secondary suite increases both value and rental potential
- Kitchen and bathroom updates close the gap with newer comparable sales
- Finished basements add usable space but rarely appraise at full cost
- Pools and highly personalized finishes often add little to appraised value locally
Permits matter to the number, not just the inspector
Unpermitted structural, electrical, or plumbing work can actually reduce what a valuation supports, because it introduces risk a buyer's lawyer or lender will flag. A legally permitted renovation is worth more on paper than the identical work done without permits, even if the finished product looks the same.
Timing your valuation around the renovation
Getting a valuation before you start tells you your baseline. Getting one after completion, once permits are closed and any inspections passed, gives you a defensible number for refinancing or listing. A mid-project valuation is close to useless, since most lenders and appraisers price a home in its current, not planned, condition.
Diminishing returns are real
Spending well above what comparable homes in your area support rarely returns dollar for dollar. A high-end kitchen in a modest neighbourhood may look impressive but will still be valued against what similar homes nearby have sold for, not against your receipts.
The practical takeaway
If you are renovating with resale or refinancing in mind, get a valuation first, choose projects that close the gap with better-selling comparables, and keep every permit and receipt. That paperwork is what turns a renovation into a documented, defensible increase in value rather than a personal preference the market may not reward.