Carbon & Capital Comparator
Strategic Feasibility: Retrofit vs New Build
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💶 Financial Business Case
EUR (€)
GBP (£)
USD ($)
JPY (¥)
Energy Unit Cost (
€
/kWh)
0.33
Investment Horizon (Years)
20
Compare vs New Build Cost?
New Build Cost (
€
/m²)
4,000
Direct Cash Savings:
€0
Value of Added Comfort:
€0
€0 / m²
Avoided New Build Cost:
€4,000
PLUS Total Retrofit Value:
+€0
Total Capital Benefit:
€0 / m²
Scenario A: Existing Building
Energy Rating (kWh/m²/y)
650
Current Comfort Level (%)
100
⚠️ Prebound Effect Active: Occupants are under-heating.
Grid Intensity (kg/kWh)
0.33
Embodied Carbon (kg/m²)
1.5
Scenario B: Proposed Retrofit
Energy (kWh/m²/y)
150
Grid Intensity (kg/kWh)
0.33
Embodied Carbon Benchmark:
-- Custom (Use Slider) --
NB: High-Rise Residential (1100)
NB: Office Building (1000)
NB: Retail/Shopping (900)
NB: Low-Rise Residential (800)
NB: School / Education (750)
NB: Industrial / Warehouse (600)
NB: Timber Frame (Low Carbon) (500)
Deep Retrofit + Extension (400)
Deep Retrofit (250)
Medium Retrofit (150)
Light Touch Retrofit (80)
Embodied Carbon (kg/m²)
1000