You'll know exactly what your open kitchen investment returns within the first 9-12 months if you track the right numbers. Those glass walls and extra ventilation create trust with diners, but they also create costs that many operators underestimate. The key is calculating if your open kitchen concept actually pays off.
The hidden costs of an open kitchen
An open kitchen isn't just removing a wall. You're building an experience, and that experience comes with a price tag you need to calculate upfront.
💡 Example:
Restaurant with 80 seats and open kitchen:
- Extra ventilation: €15,000
- Sound insulation: €8,000
- Adapted equipment (quieter): €12,000
- Glass partition: €6,000
- Extra lighting: €3,000
Total investment: €44,000
Operational costs that keep running
Beyond the initial investment, you'll face permanently higher operating expenses. These need to factor into your food cost calculations and menu pricing.
- Higher energy costs: Enhanced ventilation systems increase energy bills by 15-25%
- Extra cleaning costs: Everything stays spotless throughout service hours
- Premium ingredient costs: You'll buy more attractive products since guests watch every prep step
- Additional staffing: Cooks work slower under observation and must maintain professional appearance
⚠️ Watch out:
Most operators underestimate labor cost increases. You'll need extra cooks because prep time extends 20-30% under guest observation - that's the kind of thing you only learn after closing your first month at a loss.
Calculate your payback period
Your open kitchen must generate higher revenue or better margins to justify its cost. Here's how to determine if that's achievable.
💡 Example calculation:
Current situation vs. open kitchen:
- Investment: €44,000
- Extra operational costs: €800/month
- Expected revenue increase: 12% from enhanced dining experience
- Current revenue: €45,000/month
Extra revenue: €5,400/month
Extra costs: €800/month
Net benefit: €4,600/month
Payback period: €44,000 ÷ €4,600 = 9.6 months
What you need to measure to stay in control
If you're planning an open kitchen or already operating one, track these metrics monthly:
- Average check value: Does the enhanced experience drive higher spending?
- Energy costs as % of revenue: Keep this within 6-8% of total sales
- Staff costs per cover: Are you maintaining operational efficiency?
- Customer satisfaction scores: Do diners value the kitchen visibility?
💡 Practical example:
Bistro with 60 covers/day before and after open kitchen:
- Before: average check €28.50
- After: average check €32.20
- Increase: €3.70 per guest
Extra revenue per month: €3.70 × 60 × 26 days = €5,772
Consider alternative solutions
A completely open kitchen isn't your only option for creating transparency. These alternatives cost less while delivering similar benefits:
- Viewing window: Offers kitchen visibility without major drawbacks (€3,000-€8,000)
- Chef's table: Limited seating with direct kitchen views (€2,000-€5,000)
- Live cooking station: One visible prep area for showmanship (€5,000-€12,000)
- Kitchen tours: Scheduled behind-the-scenes experiences (no additional investment)
How do you calculate the costs of your open kitchen?
Inventory all investment costs
Make a list of all one-time costs: ventilation, sound insulation, glass walls, adapted equipment, extra lighting and renovation costs. Add everything up for your total investment.
Calculate your monthly additional costs
Work out how much extra you spend monthly on energy, cleaning, more expensive ingredients and possibly extra staff. These are your structural additional costs.
Estimate revenue increase realistically
Determine how much extra revenue you expect from higher check values or more guests. Be conservative - many restaurants overestimate this. Subtract your additional costs from this for your net benefit.
Calculate your payback period
Divide your total investment by your monthly net benefit. If this takes longer than 18 months, consider a cheaper alternative like a viewing window.
✨ Pro tip
Compare your energy costs per cover during the first 6 months versus your previous setup. Open kitchens typically add €1.20-€1.80 per cover in extra utilities - track this weekly to avoid surprises.
Calculate this yourself?
In the KitchenNmbrs app you can do this in just a few clicks. 7 days free, no credit card.
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Frequently asked questions
How much does an open kitchen cost on average?
For restaurants with 60-80 seats, expect €35,000-€60,000 in initial investment. You'll also face 10-20% higher monthly operating costs from increased energy, cleaning, and staffing needs.
What's the biggest mistake operators make with open kitchen costs?
Underestimating labor cost increases. Prep work takes 20-30% longer under guest observation, and you need additional staff to maintain service speed. Most operators budget for equipment but forget about the ongoing labor impact.
Does my revenue really increase with an open kitchen?
Studies show restaurants with open kitchens achieve 8-15% higher average check values. But this isn't automatic - your team's skill level and food presentation must justify the premium guests pay for the experience.
📚 Sources consulted
- EU Verordening 852/2004 — Levensmiddelenhygiëne (2004) — Official source
- EU Verordening 853/2004 — Hygiënevoorschriften voor levensmiddelen van dierlijke oorsprong (2004) — Official source
- EU Verordening 1169/2011 — Voedselinformatie aan consumenten (2011) — Official source
- NVWA — Hygiënecode voor de horeca (2024) — Official source
- NVWA — Allergenen in voedsel (2024) — Official source
- Codex Alimentarius — International Food Standards (2024) — Official source
- FSA — Safer food, better business (HACCP) (2024) — Official source
- BVL — Lebensmittelhygiene (HACCP) (2024) — Official source
- Warenwetbesluit Bereiding en behandeling van levensmiddelen (2024) — Official source
- WHO — Foodborne diseases estimates (2024) — Official source
Food Standards Agency (FSA) — https://www.food.gov.uk
The HACCP standards shown in this application are for informational purposes only. KitchenNmbrs does not guarantee that displayed values are current or complete. Always consult the FSA or your local authority for the latest regulations.
Written by
Jeffrey Smit
Founder & CEO of KitchenNmbrs
Jeffrey Smit built KitchenNmbrs from 8 years of hands-on experience as kitchen manager at 1NUL8 Group in Rotterdam. His mission: give every restaurant owner control over food cost.
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