An interactive sales tool for a residential building in Rotterdam, where buyers choose their apartment straight from the facade

Buyers see the building, pick a floor, then an apartment and its plan. Price, size, orientation and status (available, reserved, sold) sit in one place, with no PDFs and no phone calls needed.

Facts

Type

Real-estate sales web app

Location

Rotterdam, the Netherlands

Building

4 floors, 4 residence types

Floor plans

27 plans, 1–3 bedroom variants

S · Situation: the business problemT · Task: goal and constraintsA · Action: business and techR · Result: gains and savings

01 / Situation

The business problem

Selling apartments in a new building usually starts with a PDF brochure, a price list and an agent answering the phone. The buyer has to connect three things alone: where the apartment sits in the building, what its plan looks like, and whether it is still available. Mees 68 adds complexity: the building has addresses on two streets, and apartments on the same floor differ in type, size, orientation and outdoor space.

Every "what's still free on floor 3, with a balcony, facing south?" costs agent time, and an outdated availability list leads to viewings for apartments already reserved.

02 / Task

To work with the client on a way for buyers to find the right apartment on their own, straight from the building image, so the sales team receives better-qualified enquiries.

Constraints

Real perspectiveThe facade is a perspective render with an irregular roofline; clickable zones follow the cornices exactly
Two ways to searchBy floor or straight by apartment, both leading to the same place
Different unitsCorner, centre and penthouse homes on two addresses, with 1–3 bedroom plans
UsersNon-technical buyers, many on phones, including keyboard and screen-reader users
Changing dataPrices and statuses kept separate from the interface, so they can be updated during the sale

03 / Action

The solution

We started from the client's sales material: the building render, the official plan for every apartment, and the list of types, sizes and prices. We turned it into a single data model, where each apartment has a floor, position, type, address, plan, size, orientation, price and status.

We then built the app along the buyer's path. They see the building, hover a floor and learn how many homes are free. They open the floor, pick an apartment, compare plan variants and read every detail in one panel. Each step has its own link, so an agent can send a buyer straight to a specific apartment.

A1 · Business

Availability shows before the click, on every floor, so buyers don't waste time on sold-out floors.
Two selection modes, by floor and by apartment, matching the two ways people look for a home.
Reserved and sold apartments stay visible, each in its own colour.
A summary by residence type, with price and size ranges, so buyers find their budget straight away.
Direct links to floors and apartments, for ads, email and messages sent by agents.

A2 · Tech

Web appA fast web app, no install, on any device
Interactive building mapFloors and apartments become clickable zones on the building render
Floor plan libraryThe official plan for every apartment, with 1–3 bedroom variants
Structured property dataApartment data kept separate from the interface, ready for a CMS or API
Deep linksAny floor or apartment opens straight from a link
Accessible & responsiveWorks on phones, by keyboard and with screen readers

04 / Result

What the client gained

Buyers now have everything in one place: where the apartment is, what it looks like, what it costs and whether it's still free. Reserved and sold apartments stay visible on the facade, and agents can send a buyer exactly the right home with a link.

The same foundation adapts to any residential project: a different building, a different number of floors and apartments, different residence types.

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