Square footage is one of the most visible ways to compare homes, but in luxury real estate, size alone rarely explains value.

To understand what shapes value beyond the numbers, we asked Jordan Lederman, Esq. of the Lederman Group at Fortune Christie’s International Real Estate to share what he sees in the market, what buyers are willing to pay a premium for and where sellers may overestimate value.

Drawing on his experience representing luxury properties across South Florida, his perspective points to four factors that matter most: how a home supports a buyer’s lifestyle, how scarce its most desirable qualities are, the role of design and quality and the difference between personal value and resale value.

Square Footage Measures Size, Not Lifestyle

Luxury buyers often have highly specific priorities. For one buyer, that may mean unobstructed water views, for another it may be enough water frontage to accommodate a yacht, proximity to family or a particular architectural style.

Those preferences can influence what an individual buyer is willing to pay, even when recent comparable sales suggest a different value.

Jordan says the gap between buyer expectations and current market value comes up very often, particularly at the beginning of a search. Buyers may arrive with an idea of what their budget should buy based on what it could secure in the past. In Miami Beach, for example, he works with buyers in the $15 million to $20 million range looking for newer waterfront homes. That budget once provided considerably more choice. Today, buyers at that level may need to compromise on the age or quality of the property, or consider a different submarket to stay within budget.

Price per square foot and recent sales provide an important framework, but they do not capture every reason a buyer may place a premium on a particular property.

Scarcity and Context Matter

What creates value can also change significantly from one South Florida market to another.

A waterfront buyer in Miami Beach may care about dockage, access to the ocean without fixed bridges, seawall condition and land elevation. In Coconut Grove, privacy, mature landscaping and proximity to the village may carry more weight. In a Brickell condominium, views, floor plan and building amenities may become more important. Along the oceanfront in Surfside or Bal Harbour, beach access and terrace space can influence how buyers compare one residence with another

Scarcity can amplify those differences. If only one property in a market offers the combination buyers are looking for, it may sell well above recent comparable sales.

In that sense, value is not created by a feature in isolation. It depends on how difficult that feature is to find in the specific market where the property competes.

Quality and Style Matter, but Uniqueness Has a Limit

Today’s luxury buyers may pay a premium for homes that are newer, turnkey and well executed. But new construction alone does not guarantee quality. Design, layout, materials and execution all matter, particularly when buyers are comparing properties at similar price points.

Distinctive features can add value as well, but uniqueness can also go too far.

Highly personalized design may represent a substantial investment for the owner while appealing to a much smaller group of future buyers. In some cases, the next buyer may actually discount the property because they expect to spend additional money changing it.

Personal Value Is Not Always Resale Value

That distinction may be one of the most important for luxury homeowners to understand. A seller naturally remembers what a renovation, design decision or custom feature cost. The market, however, does not necessarily reimburse those choices dollar for dollar. Buyers evaluate a property through their own priorities, available alternatives and current market conditions.

Jordan Lederman’s advice is to separate personal value from resale value. Something can be a wonderful investment in your lifestyle without being an investment the next buyer will fully reimburse.

Header image courtesy of Jordan Lederman. 18501 Collins Avenue #4003-04, Sunny Isles Beach, FL. View property here.