Frequently Asked Questions — Erith and Thamesmead Constituency

What is the polling projection for Erith and Thamesmead?

Our ward-level projections for Erith and Thamesmead are based on Uniform National Swing applied to the most recent local election baselines, adjusted for local elasticity and national polling trends. These are nowcasts, not predictions — they show what would happen if an election were held today. See our methodology page for full details.

Where can I see Erith and Thamesmead on a map?

You can view Erith and Thamesmead and all its constituent wards on our interactive election map. The map shows ward-level results colour-coded by winning party across England and Wales.

How accurate are election forecasts for Erith and Thamesmead?

Our projection model is backtested against historical local elections. The model's winner accuracy, mean absolute error, and calibration metrics are published openly on our methodology page. Projections carry inherent uncertainty — we show confidence levels for each ward.