Accuracy Disclaimer

Important information about our calculations and estimates

Important Notice

The information and calculations provided on this website are estimates only and should not be considered as definitive quotes or guarantees.

Purpose of Our Estimates

Our calculators and estimates are designed to provide you with:

  • • A general understanding of potential costs and savings
  • • Comparison between different renewable energy technologies
  • • Initial guidance to help you decide whether to proceed with quotes
  • • Educational information about renewable energy options

They are not intended to replace professional site surveys, detailed quotes, or technical assessments.

Factors That May Affect Accuracy

Property-Specific Factors

  • • Roof orientation, angle, and shading
  • • Building construction and insulation levels
  • • Electrical system capacity and upgrades needed
  • • Planning restrictions or building regulations
  • • Access requirements for installation

Market and Economic Factors

  • • Fluctuating equipment and installation costs
  • • Changes in government grants and incentives
  • • Energy price variations
  • • Installer availability and pricing
  • • Seasonal demand variations

Our Data Sources

Industry Data

Our calculations are based on:

  • • Industry average costs and performance data
  • • Government energy statistics and reports
  • • Manufacturer specifications and warranties
  • • Historical installation data from our network

Regular Updates

We regularly update our data to reflect current market conditions, but there may be delays between market changes and our updates.

Limitations of Our Estimates

Not Professional Quotes

Our estimates cannot account for all the specific factors that a professional installer would consider during a site survey.

Excluded Costs

Our estimates may not include:

  • • Scaffolding or special access requirements
  • • Electrical system upgrades
  • • Planning permission fees
  • • Building control notifications
  • • Insurance premium changes

Performance Variations

Actual system performance may vary due to weather patterns, usage patterns, and system efficiency over time.

Our Recommendations

1

Get Multiple Quotes

We recommend obtaining 3-4 detailed quotes from qualified installers to compare actual costs and approaches.

2

Request Site Surveys

Professional site surveys are essential for accurate quotes and identifying potential issues.

3

Verify Assumptions

Check that installer quotes include all necessary work and that their assumptions match your situation.

Legal Disclaimer

By using our calculators and estimates, you acknowledge that:

  • • All estimates are provided "as is" without warranty of any kind
  • • We are not liable for decisions made based on these estimates
  • • Actual costs and performance may differ significantly from estimates
  • • Our estimates are for guidance only and do not constitute professional advice
  • • We recommend seeking professional advice for final decisions
  • • We recommend independent verification of all information
  • • We are not regulated financial advisors and do not provide financial advice
  • • All investment decisions are made at your own risk
  • • We are not responsible for any losses arising from reliance on our estimates

Not Financial Advice

EnerWise is not authorised or regulated by the Financial Conduct Authority (FCA). Our estimates and calculations do not constitute financial advice, investment advice, or recommendations. Any financial decisions should be made after consulting with qualified financial advisors who can assess your individual circumstances.