Energy Efficiency

⚡ Energy Efficiency Index

Topic: Property | Category: Residential | Group: Sustainability & Safety**

Description

The Energy Efficiency Index measures how energy-efficient a property is based on energy use, insulation quality, heating performance, and sustainability indicators.

What the Index Measures

The index evaluates:

• insulation performance
• heating and cooling efficiency
• building envelope quality
• estimated energy consumption
• sustainability features (windows, roofing, materials)
  
   

Higher scores = more energy-efficient properties
 Lower scores = less efficient, higher energy-use properties

Numeric Scale & Quality Interpretation

Standard Toscale scales:

• 1–3 (Free)
• 1–5 (£0.50)
• 1–10 (£1)
• 1–20 (£2)
• 1–99 (£9.90)
• 1–999,999 (Enterprise)
  
   

Examples:

• 19/20 = highly efficient
• 10/20 = moderately efficient
• 3/20 = poor efficiency

Accuracy: Larger scales allow precise comparison across newer, renovated, and older building types.

Why Numeric Scales Matter

Energy efficiency is a major cost and sustainability factor. Numeric scoring:

• makes energy quality comparable
• helps buyers predict utility costs
• feeds directly into AI-based cost models
• quantifies sustainability gaps
   

How This Index Saves You Time

You no longer need to read through energy certificates — the index reveals energy performance instantly.

AI Insight Example

“This home ranks in the top 15% for energy efficiency in its city zone.”

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Higher tiers reveal advanced energy scoring for investors and ESG reporting.

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➡️ Explore highly energy-efficient homes →