Verified data for this postcode

Solar Potential in
London

Data-driven analysis for E1W. Based on local roof structure and solar irradiance data.

Score
4.3
/ 10

Challenging for Standard Solar

London has a lower viability score, likely due to a high number of flats or complex roof structures. We recommend getting a specific site survey before proceeding.

Score comparison vs National Average

Estimated Financial Return

Annual Savings
£839
Tax-free income
System Size
5kW
~13 Panels
20-Year Value
£16,780
Inflation adj.

Solar Insights for E1W

Are roofs in E1W suitable?

Our data shows that 40% of properties in this area have pitched roofs, which are typically ideal for solar arrays.

What is the environmental impact?

Installing a 5kW system in E1W would save approximately 0.99 tonnes of CO2 annually.

Why Consider Solar in London?

The E1W locality of London presents a patchwork of solar viability, where individual property assessment is more critical than ever. Despite a modest viability score of 4.3/10, solar can still save money for specific properties with south-facing aspects. It is crucial to get a site-specific survey, as local shading from taller buildings in London may impact generation.

Local Market Trends

The low percentage of pitched roofs (40%) in E1W indicates a high density of flat-roofed extensions or flats, requiring specialised installer knowledge.

Installation Checklist

  • Check your EPC rating (Target C or above)
  • Verify if you are in a Conservation Area (Common in London)
  • Request MCS certificates from local installers

Frequently Asked Questions for E1W

Do I need planning permission in London?

Generally, solar panel installations in London are considered 'Permitted Development' and do not require planning permission, provided they do not protrude more than 200mm from the roof slope. Exceptions apply if you live in a listed building.

How much can I save in E1W?

Based on the average floor area of 79m² in E1W, a standard system could save significantly on electricity bills. See the financial calculator above for a specific estimate.

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Area Statistics

Sample Size4597 homes
Roof Suitability40% Pitched
Avg Floor Area79