Home value estimator Basel: get a market-based valuation of your apartment or house at the Rhine knee

In the city of Basel, sellers ask a median of CHF 11,144 per m² of living space. A quarter of the listings are below CHF 9,361. Another quarter are above CHF 13,667. For single-family homes, the median asking price is CHF 10,442 per m². The figures are based on 388 apartment and 142 house listings. They date from October 2025 to September 2026.

St. Alban leads with CHF 12,828 per m², which is 20 percent above the city median. Bruderholz and Bachletten are each 8 percent above it. Breite, Gundeldingen, St. Johann, Am Ring and Matthäus are at the city median. Wettstein and Iselin cost less, at 6 and 10 percent below the median. Nine neighborhoods have too few listings, including Altstadt Grossbasel and Altstadt Kleinbasel. The figures cover listings from October 2024 to September 2026.

For apartments, usually yes. In Reinach (BL), apartments cost 23 percent less. In Allschwil, Münchenstein, Muttenz and Birsfelden, they cost 10 to 12 percent less. Riehen is about the same. Binningen and Bottmingen are more expensive, by 7 and 8 percent respectively. Single-family homes show a different picture. In Binningen, they cost 34 percent more than in Basel. In Riehen, they cost 27 percent more.

At the end of September 2026, comparis.ch listed 120 apartments and 52 houses in Basel. Twelve months earlier, there were 86 apartments and 36 houses. Supply in Basel has thus grown by 40 and 44 percent respectively. Across Switzerland, it remained almost stable, at minus 1 and plus 5 percent. New builds make up around one in six apartment listings in Basel.

It all starts with the free Comparis online estimate. You enter the location, living space, year of construction and features. The result arrives by e-mail.

Next, property experts from the Comparis partner network can value your property on site. This step is also free and without obligation.

In Basel, the experts focus mainly on the neighborhood, year of construction and condition. Between St. Alban and Iselin, the gap in asking prices is just over CHF 3,200 per m².

Many older buildings in Basel are in a protection zone (Schutzzone) or conservation zone (Schonzone). This restricts alterations and affects the value.

The Comparis online estimate is free and without obligation. An on-site valuation by experts from the Comparis partner network is also free of charge. It is organized through the Comparis broker service.

Getting the value right is worth it. In Basel, a typical 4.5-room apartment is listed at CHF 1.31 million. Here, a deviation of 2 percent equals more than CHF 26,000.

• Neighborhood: St. Alban, Bruderholz and Bachletten are currently above the city median. Iselin and Wettstein are below it.

• Year of construction and new builds: Around one in six apartments on offer is a new build. Excluding new builds, the median is CHF 10,721 per m².

• Protection and conservation zones: In the Old Town and in protected neighborhoods, alterations are subject to conditions.

• Location: Properties in quiet locations and close to the Rhine usually fetch higher prices.

• Transport: Short distances to Basel SBB, Basel Badischer Bahnhof and tram stops raise the price.

• Interest rates: Interest rates influence how much buyers are able to finance.

Filling in the online estimate form takes you around three minutes. The estimate is then sent to you by e-mail.

The duration of the on-site valuation depends on the property. An older building in a protection zone needs more checks than a newer apartment in Gundeldingen. If you need a written appraisal report, expect it to take longer.

A recognized qualification is the Federal Diploma of Higher Education as a real estate appraiser. Many appraisers belong to the SIV (Schweizer Immobilienschätzer-Verband) or SVIT’s chamber of valuation experts (Bewertungsexperten-Kammer SVIT). Many also hold the international MRICS title.

Knowing the local market matters too. In Basel, neighborhoods range from 10 percent below to 20 percent above the city median.

With a valuation, you can set an asking price that fits the Basel market. The market is tight. On June 1, 2026, 0.8 percent of apartments in the canton of Basel-Stadt stood empty.

For a mortgage, the bank values the property itself. This is required by the Swiss Bankers Association’s guidelines.

If you make a profit, the canton of Basel-Stadt levies property gains tax (Grundstückgewinnsteuer). For owner-occupied property, it is 30 percent of the gain in the first five years. After that, the rate falls every year, down to 12 percent from year 25.

Property transfer tax (Handänderungssteuer) of 3 percent is usually paid by the buyer.

In the canton of Basel-Stadt, spouses and descendants pay no inheritance tax. A valuation still helps with a fair division of the estate.

• Land register extract from the Basel-Stadt land registry and surveying office (Grundbuch- und Vermessungsamt Basel-Stadt)

• Site plan from the official cadastral survey

• Floor plans with floor areas according to SIA 416

• Building permits for alterations and renovations

• Policy from the Basel-Stadt cantonal building insurer (Gebäudeversicherung des Kantons Basel-Stadt) with the insured value

• Building energy certificate (GEAK), if available

• Documents from the heritage preservation authority for protected buildings

• List of renovations in recent years

• Lease agreements for rented-out properties

• For condominiums: regulations, minutes of owners’ meetings and the renovation fund balance

• Latest tax return showing the tax value of the property