How does an apartment configurator manage buyer fit-out selection in a new build?

Buyer fit-out selection in a new build: where delays start

In a new build, the buyer usually signs the contract before the apartment exists. Choices of flooring, tiles, internal doors, sanitaryware or lighting follow later and are often scattered across emails, phone calls and site meetings.

The developer therefore has to record by hand who chose what, what is included in the base price and what is an extra. One faulty transcription is enough for the wrong product to be installed. The error surfaces only at handover, when correcting it costs the most.

In the DACH market the process is often more formal still. The Bauträger works from a building specification (Baubeschreibung) and a list of possible special requests (Sonderwünsche) with fixed deadlines. Anyone who misses a deadline gets the standard finish or pays a higher change fee, so the process has to be clear from day one.

What an apartment configurator actually is

An apartment configurator is an online tool in which the buyer chooses, for their own unit, from a set of pre-defined options. These are grouped by category, for example floors, walls, bathroom, doors and kitchen. The contractor defines them in advance, so the buyer cannot select something that cannot be built.

Behind the interface sits a data structure. Each option has a code, a description, a lead time, a price or a difference from the base specification, and a list of units to which it applies. Rules prevent incompatible combinations, such as a tile that is not available in the chosen package.

• selection categories with descriptions and photographs of samples
• a status for every option: standard, upgrade or on enquiry
• validity of options by unit and floor
• compatibility rules between selected elements
• a running total of upgrade costs, recalculated as choices change
• confirmation with a timestamp and an export for the contractor

Fit-out packages: how to put them together

Packages reduce the number of decisions. Instead of twenty individual choices, the buyer picks a style or tier, such as a standard, enhanced or premium package, and then swaps individual elements if they wish. Selection becomes quicker, and the developer can plan supplier orders more easily.

A package must be coherent: the materials should look right together and be orderable together. The upgrade charge is normally calculated as the difference from the standard package, which the buyer understands at once.

• no more than three package tiers, so the choice stays clear
• a clear line between what is standard and what is an upgrade
• the option to swap a single element without losing the package discount, if the rules allow it
• lead times stated against each individual option

Upgrade costs, deadlines and traceability

The configurator assigns a status and a price to every choice. The buyer sees what is included and what they will pay extra for, and receives a summary on confirmation. Once the deadline passes, selections are locked and any later changes go through a separate approval procedure.

Instead of letters and spreadsheets, the contractor gets an overview by unit: who selected which variant and when they confirmed it. If selections are linked to a CRM system or a buyer portal, the confirmation is recorded automatically against the buyer and is visible to sales, the project manager and procurement.

Structural alterations, such as moving a partition wall, are not something a configurator resolves. They require the designer's assessment and should remain an enquiry, which the configurator routes to the responsible person.

What the buyer and the contractor gain

The buyer gets an overview and time to think. They can compare options at home, see the price difference and talk the choice over with family, without being rushed by an appointment in a showroom. Their decision is on record, so there is no later doubt about what they ordered.

The contractor gets tidier data and fewer errors. Supplier orders are based on confirmed selections, not on verbal agreements. The developer also gains insight into which options buyers choose, which helps when preparing the offer for the next phase of the project.

• fewer repeat meetings and rounds of coordination
• a single source of truth for selections by unit
• materials ordered in good time before the installation date
• clearer income from upgrades

When a 3D view makes sense

A 3D view pays off where a choice changes the look of the space as a whole: floor finishes, wall finishes, colours, kitchen fronts and bathroom tiles. A buyer struggles to judge how two choices will work together if they see only two separate samples. In a 3D walkthrough they see the combination in the room, with real light and proportions.

For non-visual elements, such as a heat pump or the grade of the electrical installation, 3D adds little. A table and a short description are enough there. Likewise, in a small project with a handful of units, a configurator with sample photographs and a visit to the showroom may be sufficient, since preparing materials for every combination in 3D is extra work.

At ARHIX we connect the fit-out configurator to a free-roaming 3D walkthrough in the browser, so the buyer sees the chosen materials in their own apartment. The decision on a 3D view should rest on the number of units, the variety of choices and the cost of an installation error.

Common mistakes when introducing a configurator

Most problems stem not from the technology but from content preparation. If the options are unclear or the rules are vague, the tool simply moves the problems onto the screen.

Before launch, check the following points:

• too many options, which confuse the buyer instead of helping
• undefined confirmation deadlines and unclear consequences of missing them
• options the supplier cannot deliver at the build stage
• upgrade prices that have not been agreed with procurement
• separate data in the configurator and in the CRM system
• a visual display that does not match how the materials are actually built

What you can do next

Start with content, not with the tool: draw up a list of categories, define two or three packages, and prepare upgrade prices and a confirmation deadline for each construction phase. Once that is clear, you can judge whether a simple configurator is enough or whether a 3D view is justified.

To get a feel for free movement through an apartment in the browser, you can try the public demo at moderna-hisa-3d.netlify.app. It is also useful, before launch, to agree with sales and the contractor who approves changes and who owns the data.