The customer journey, in order
- Decompression zone. The first 1.5 to 3 metres inside the door where customers adjust and notice almost nothing. Do not put product or signage here. Nearly every under-performing store we survey has a fixture in this zone.
- The power wall. Most shoppers turn right on entry. The right-hand wall is the highest-value surface in the store and should carry the newest, highest-margin product.
- Circulation loop. A clear main aisle of at least 1,500 mm that returns the customer to the entrance, with secondary aisles at 1,050–1,200 mm. Dead ends kill dwell time.
- Speed bumps. Low fixtures at decision points that slow movement without blocking it.
- Fitting rooms, positioned deliberately. Deep in the store for apparel, so customers traverse the floor twice. Lit at 3000K with front-facing light, never a single overhead downlight.
- Till and queue. Visible from the entrance, with 1,800 mm of queue space and impulse fixtures alongside rather than behind.
- Back of house. Typically 12–20% of the floor for stock, staff and services. Squeezing it below that pushes stock onto the sales floor, which costs more than the space saved.
Lighting: the cheapest way to change how product looks
More retail projects are let down by lighting than by any other trade. The numbers below are not aspirational; they are what competent retail lighting design targets.
| Zone | Illuminance | Colour temperature | CRI | Notes |
|---|---|---|---|---|
| General sales floor | 500 – 750 lux | 3000 – 4000 K | 90+ | Uniform base layer |
| Feature and accent | 1,500 – 2,500 lux | 3000 K | 95+ | 3:1 accent to ambient minimum |
| Apparel and fitting rooms | 400 – 600 lux | 3000 K | 95+ | Front and side light at face height |
| Jewellery display | 2,000 – 4,000 lux | 4000 K | 95+ | Tight beams, low UV, heat-managed |
| Grocery fresh | 750 – 1,000 lux | 3500 – 4000 K | 90+ | Specific spectra for produce and meat |
| Window display | 2,500 – 4,000 lux | 3000 K | 95+ | Must beat daytime mall ambient |
A 3:1 accent-to-ambient ratio is the minimum for product to read as featured; 5:1 is dramatic. Below 2:1 the accent lighting is invisible and you have paid for nothing.
Halve the number of fixtures and double the quality of the light. Almost every store we are asked to fix needs exactly that.
Greenbox commercial team
Design and build under one accountable roof
Cost by retail format
| Format | ₹ per sq ft | Cost driver | Typical programme |
|---|---|---|---|
| Value apparel | ₹2,200 – 3,200 | Fixtures and flooring | 4 – 6 weeks |
| Premium apparel | ₹3,500 – 5,200 | Joinery, lighting, fitting rooms | 6 – 9 weeks |
| Footwear and accessories | ₹2,800 – 4,200 | Wall systems and stock rooms | 5 – 7 weeks |
| Jewellery | ₹5,500 – 12,000 | Security, showcases, lighting, finishes | 8 – 14 weeks |
| Electronics and appliance | ₹2,400 – 3,800 | Power, data, demo infrastructure | 5 – 8 weeks |
| Pharmacy and convenience | ₹2,000 – 3,000 | Shelving, cold chain, billing | 3 – 5 weeks |
| QSR and café | ₹4,000 – 7,500 | Kitchen, ventilation, grease management | 8 – 14 weeks |
| Furniture and lifestyle showroom | ₹2,200 – 3,600 | Large floor, lighting, minimal fixtures | 5 – 8 weeks |
Excluding 18% GST, stock, IT hardware and landlord-mandated charges. Mall units carry additional barricade, deposit and out-of-hours working costs.
Materials that survive a trading floor
Retail interiors take five years of abuse in the time a home takes twenty. Specification is about maintenance cost as much as appearance.
- Flooring rated for the traffic. Vitrified at PEI 4 minimum in the main aisle, or a commercial-grade LVT at 0.55 mm wear layer. Domestic-grade flooring in a store is visibly worn within eighteen months.
- Corner protection everywhere. Stainless or aluminium edge trims on every exposed joinery corner below 1,200 mm. Trolleys and bags find them all.
- Repaintable rather than perfect. Washable acrylic emulsion on walls, with a specified colour code held by the client so touch-ups match two years later.
- Modular fixtures. Slotted uprights and demountable shelving so merchandising can change without a contractor.
- Accessible services. A grid ceiling or generous access panels. A store that has to close for a lighting repair loses more in a day than the ceiling cost.
- Back-of-house is not a dumping ground. Proper racking, a staff locker, a sink and a working desk. Staff comfort shows on the sales floor.
Rollout: designing a store you will build forty times
Designing one store and designing a chain are different disciplines. For rollout clients we produce a kit of parts rather than a bespoke scheme, so the tenth store costs less than the first and looks the same.
- Prototype storeDesigned, built and traded for a season. Everything gets measured: sales per zone, staff friction, maintenance calls.
- Design standards manualFixture drawings, finish schedule with codes, lighting specification, signage rules and a tolerance sheet.
- Kit of partsStandard fixture modules that flex to different floor plates without redesign.
- Vendor frameworkPre-qualified fabricators holding tooling and stock, so lead times shorten with volume.
- Site-by-site adaptationA survey and a two-page adaptation drawing per store, not a new design.
- Rollout programmeStaggered openings with a single project manager holding the standard across every site.
Handover, trading and the snag that costs money
A retail handover is different from any other because the store starts earning the moment it opens, and anything unfinished has to be fixed around customers.
- Services commissioning firstLighting scenes set, HVAC balanced, fire and security tested and certified before any stock arrives. Retrofitting a commissioning failure after merchandising is twice the work.
- Clean handover to visual merchandisingThe VM team needs the store empty, clean and fully lit, typically 48 to 72 hours before opening. Build the programme backwards from that date, not from the opening.
- Joint snag before stockWalk the store with the client, list everything, and close it while fixtures are still empty. A snag item behind a loaded shelf does not get fixed.
- Staff walkthroughTill operation, stockroom flow, lighting controls and shutters demonstrated to the store team. Most day-one operational complaints are training, not construction.
- Two-week return visitTrading reveals what a drawing cannot: a fixture in the wrong place, a light in a customer's eyes, a queue that forms across a door. We revisit and adjust.
Where we work
We design and build retail nationally, and we deliver in Mumbai's malls and high streets ourselves. For mall fit-out manuals, barricade rules, BMC signage and local rates, see retail interior designers in Mumbai.
Selected work by Greenbox Design Studio. Tap any image to enlarge.
Frequently asked questions
How much does a retail store fit-out cost per sq ft?+
₹2,200–₹3,200 for value apparel, ₹3,500–₹5,200 for premium apparel, ₹2,000–₹3,000 for pharmacy and convenience, ₹4,000–₹7,500 for QSR and café, and ₹5,500–₹12,000 for jewellery, excluding 18% GST. Format drives the number far more than area does.
What is a decompression zone and why does it matter?+
The first 1.5 to 3 metres inside the entrance, where customers adjust from the street or mall and register almost nothing. Product, signage and fixtures placed here are effectively invisible. Leaving it clear and putting your strongest display just beyond it is the cheapest merchandising improvement available.
How important is lighting in a retail store?+
It is the single largest perceptual lever. Specify CRI 90 or better throughout, 500–750 lux on the general floor, and accent lighting at a minimum 3:1 ratio over ambient. Below 2:1 the accent lighting is invisible; at CRI 80 fabric colours and skin tones read wrong in the fitting room.
How long does a store fit-out take?+
Three to five weeks for pharmacy and convenience, four to six for value apparel, six to nine for premium apparel, and eight to fourteen for jewellery or QSR where security systems or commercial kitchens govern the programme. Mall landlord approvals typically add two to three weeks before site start.
Can you design a store format we will roll out across cities?+
Yes, and it is a different process from a one-off. We build and trade a prototype, then produce a design standards manual, a kit of standard fixture modules, a pre-qualified vendor framework and a two-page adaptation drawing per site — so the tenth store is cheaper and faster than the first without drifting from the standard.