Product DesignBengaluru · 2026

Walk through your
asset before it’s yours
— a walkable simulator for premium real estate

RoleProduct & UX
SurfaceWeb · Mobile · VR
EngineUnreal Engine 5
Segment₹80 L and above
01Snapshot
tl;dr

The one-paragraph version

The premise

Premium Bengaluru buyers — many of them overseas — commit crores to apartments that are still construction sites. They buy from brochures and 2D plans. We let them walk the unit first.

The shift

Not another 360° photo tour. A continuously rendered, game-engine walkthrough where the buyer moves freely in first person, exactly as in a modern AAA title.

The companion

A live, RERA-licensed agent joins the session as a co-pilot — sharing the view, dropping pins on materials, answering questions about Vaastu, carpet area, and price.

The outcome

One 3D model, built once from the developer’s CAD data, serves every unit in a tower — and reaches buyers in Dubai, Singapore, and Sarjapur Road without a site visit.

02Context

A market that buys on faith

In Bengaluru’s premium tier, a meaningful share of inventory is sold off-plan — before the building physically exists. The buyer is frequently an NRI in the Gulf or Southeast Asia, or a domestic HNI for whom a multi-stop site visit across the city is a lost weekend in traffic.

The decision is enormous — often the largest of a person’s life — and yet the tools to support it are thin: glossy renders that flatter, floor plans that few can read spatially, and a sales gallery visited once, under pressure. The gap between what is promised and what can be verified is exactly where hesitation lives.

The brief was to close that gap — to let a buyer stand inside their future living room, look out of the actual window at the actual view, and feel the ceiling height — from a laptop, on a Saturday morning, with their partner reading specs over their shoulder.

03Problem

Three frictions, one root

What buyers feel

Doubt. They cannot test scale, light, or sightlines from a brochure. The most expensive purchase of their life is also the most abstract.

What developers feel

Friction. Every undecided buyer is a sales-gallery slot, a follow-up call, a discount conceded to compensate for uncertainty.

The reframe

The problem was never marketing. It was verification — giving a remote buyer a way to confirm, with their own eyes and their own movement, that the space is what it claims to be.

04Approach

Borrow the grammar of games

  1. i

    Treat the listing as a level

    Build the unit as real geometry from the developer’s BIM/CAD, not as stitched panoramas. Geometry holds up from any angle.

  2. ii

    Render in real time

    Unreal Engine 5 with Lumen lighting, pixel-streamed to the browser. No install, no plugin — a URL opens a game-quality view.

  3. iii

    Put a human in the loop

    A live agent co-views the session, so the immersion never replaces the relationship at the centre of a crore-plus sale.

  4. iv

    Design the HUD as restraint

    The 3D scene is the hero. Information lives in quiet glass panels at the edges, never crowding the space.

Premium is calm

No bounce, no parallax, no particles. Walking pace is deliberately unhurried. Restraint reads as confidence at this price point.

Verify, don’t dazzle

Every interaction earns trust: real RERA numbers, real materials named on pins, real distances to the metro and the tech park.

05Research

What the crore-plus buyer actually wants

  • Spatial confidence — does a king bed truly fit the master?
  • The real view — is the lake visible from the balcony, or only from the brochure?
  • Instant comparison — switch between shortlisted units without losing context.
  • A real person — answers on Vaastu, carpet vs. super built-up, negotiation room.
  • Zero friction — under eight seconds to load on a home connection.

I am buying a home in a country I do not live in, from a building that has not been built, with my wife reading the specs over my shoulder. Show me something worthy of that moment.

— the buyer we designed for
06System

From CAD file to walkable view

Photo-bubble tourABCDTeleport between fixed dots.Choppy.Walkable simulatorWalk anywhere, head-tracked, 60fps.

The categorical break: discrete photo bubbles give way to a continuous space the buyer authors with their own movement.

07Detail

One frame, in sixteen milliseconds

01Camera pose fromheadset, mouse ortouch02Visibility cull —discard 95% ofgeometry03Geometry pass withlevel-of-detailstreaming04Lighting & PBRmaterials, bakedplus Lumen05Post — bloom,depth of field,grading06Frame to screen,then loopRepeated 60 to 120 times every second the buyer is exploring.

The same pipeline that powers Call of Duty and Fortnite, pointed at a building. Each frame is rebuilt from scratch as the buyer moves.

Why off-plan is the sweet spot

Existing flats must be scanned, and scans break when you walk freely. Unbuilt towers are rendered from CAD — polygon-perfect, and walkable from day one.

Visibility culling discards most of the scene every frame; level-of-detail streaming swaps high-poly for low-poly as distance grows. This is what keeps it smooth.

08Detail

A heads-up display, not a dashboard

Unreal Engine 5 canvas — first-personPOVstreamed via WebRTC pixel streamingNow Viewing — project,specs, priceAgent — live humanco-pilotMinimap — floor plan +view coneShortlist — savedproperties

Four glass panels occupy the corners; the canvas keeps the centre. Each panel uses a heavy backdrop blur so the rendered scene bleeds through — the interface sits in the world, not on top of it.

The minimap earns its place

A live view-cone tracks the camera at 60 fps, so a buyer exploring a 1,850 sq ft unit is never lost — borrowed wholesale from first-person game design.

On mobile the corners collapse into a four-tab bottom bar — Info, Map, Shortlist, Ask — each opening as a sheet, keeping the tour one-thumb operable.

09Detail

The agent is the product

For a crore-plus decision, software does not replace a person — it equips one. The agent joins as a second presence in the same scene, sees exactly what the buyer sees, and can drop gold pins onto surfaces: Statuario marble, sourced from Italy.

When a buyer lingers in one spot, a quiet prompt offers help. “Ask Priya” opens an inline voice or text channel — never a chatbot. The relationship at the heart of the sale stays human; the simulator simply removes the distance.

10Comparison

Two ways to deploy the same model

Resale & ready units

  • Captured by photogrammetry or splatting
  • Photographic, lived-in fidelity
  • Minor artifacts on fast movement
  • Lower cost per listing

Off-plan launches

  • Rendered from architectural CAD
  • Full game-engine fidelity
  • Walk freely, any angle, any hour
  • One model serves the whole tower
11Reference

The platform, in four tiers

Web Configurator
Browser-based 3D, basic fidelity. Configure a unit and render any view on demand.
Interior Designer
Choose a style package and re-render each room in Unreal-quality fidelity.
Standalone Showroom
A sales-team build for smart boards and high-end PCs — guided 1-on-1 sessions.
VR & AR Suite
Walk the property at 1:1 scale in a headset, or place the tower on a tabletop via phone.
Interior Viewer
Architecture, unit catalog, infrastructure and technical parameters, fully explorable.
Live Co-pilot
A RERA-licensed agent shares the session, pins materials, and answers in real time.
12Artifact

The buyer’s field of view

3D Canvasfirst-person POV, full bleed
Now Viewing
Agent
Minimap
Shortlist
Room cue
Controls

Every element is anchored to an edge. The centre belongs to the home.

13Deep dive

Designing for trust at distance

Loading without breaking immersion

The tour opens on black, the project name fading in gold, then a thin progress line. A dropped connection shows a slim “reconnecting” banner — never a full-screen error that shatters the spell.

Honest signals only

RERA registration sits beside the price. Builder track record links to the last three completed projects with handover dates. Nothing is dressed up; the credibility is the feature.

At this price, the interface is not selling aspiration — it is removing reasons to doubt. Every choice, from tabular-aligned numerals to the absence of a single bouncing button, is in service of a buyer who has earned the right to be skeptical.

14Principles

What guided every decision

01

The canvas is the hero

UI never competes with the home. Glass panels recede; the rendered space leads.

02

Calm over clever

Restraint signals quality. Motion is reserved for the few moments that genuinely matter.

03

Human in the loop

Software equips the agent; it never tries to replace the trust a person provides.

15Honesty

Where it falls short, today

Bandwidth is a gate

Pixel streaming demands a stable connection. A buyer on hotel Wi-Fi in transit gets a degraded experience — a fallback lite mode is still on the roadmap.

Resale fidelity lags

Scanned existing flats cannot yet match the polish of CAD-rendered off-plan units. The seam between the two product modes is visible if you look for it.

Naming the gaps is part of the craft — a tour that hides them would not deserve a crore-plus buyer’s trust.

16Reflection

What the work taught

Immersion is mostly restraint.

The temptation in a game-engine product is to show off the engine. The opposite served the buyer: quieter the interface, more present the home.

Trust scales worse than pixels.

Rendering a tower is a solved problem. Making a remote buyer believe what they see — that took every honest signal we could find.

17Timeline

From pilot to platform

Weeks 1–4

Pilot

One off-plan tower, one model unit, the Web Configurator instrumented on the developer’s site.

Weeks 5–8

Measure

Buyer engagement reported back — dwell time, rooms explored, shortlist conversions.

Weeks 9–12

Expand

Interior Designer and the live co-pilot layered on; the model scales across the tower.

Quarter 2

Platform

VR and AR suites; the developer’s full portfolio becomes explorable from anywhere.

Let’s pilot one tower

Stand inside a home
before it is built.