Local council · Barking and Dagenham

Northbury

3 seats contested on Thursday 7 May 2026. 13 candidates from 5 parties.

Confidence in the forecast: Medium · Official Statement of Persons Nominated (PDF)

Ward locator for Northbury; neighbouring wards shaded by Reform UK vote-share difference vs this ward.

Neighbours shaded by Reform UK share vs this ward, red = higher, blue = lower.

Predicted vote share

What the model expects

Labour
36.5%
Green Party
25.6%
Reform UK
20.5%
Conservative
10.4%
Lib Dem
6.9%

Predictions are point estimates: the model's best guess, not a guarantee. The "How this prediction was made" section below lists every step that shaped this forecast.

How accurate was the model here?

Our 7 May 2026 forecast for Northbury

✓ Winner called correctly , predicted Labour, actual Labour. Major-party MAE: 2.72pp across the parties below.
PartyPredictedActualGap
Reform UK 12.7% 11.5% +1.2pp
Labour 34.6% 39.8% -5.2pp
Conservative 11.8% 12.5% -0.8pp

Positive gap = we predicted that party would win more share than they did. See the full Barking and Dagenham accuracy summary or the national audit.

Recent contests

What happened last time

DateTypeWinnerTop shareSource
2024-11-28 By-election Labour Party 57.7% declaration
2022-05-05 Cycle Labour Party 27.9% declaration

Candidates 2026

Parties on the ballot

View the official Statement of Persons Nominated (PDF)

How this area looks demographically

Figures are for Barking and Dagenham as a whole. The same local-authority figures are used for every ward in the council, finer ward-level demographics will land in a future release.

How this prediction was made
  1. Baseline . Most recent borough result (2024-11-28)
  2. BES MRP Prior . Baseline blended with BES Wave 1-30 london prior (weight 15%, n=3660 regional respondents)
  3. National Swing (STM) . Strong Transition Model: multiplicative bounded swing, dampened by 0.65 for local
  4. Demographics . 2 demographic factor(s) applied
  5. Incumbency . No current holder data available
  6. New Party Entry . Reform UK has existing baseline, no proxy needed
  7. Normalise . All shares scaled to sum to 100%
  8. Restrict to ballot . Removed 4 party/parties not standing in 2026 (Independent 2.0pp, SNP 0.6pp, Plaid Cymru 0.2pp, Other 0.0pp). Their share redistributed pro-rata.
  9. 2025 county-cycle anchor . No 2025 reference available for this council's parent area. Stage 1 uses national polling only.
  10. National-share calibration . Aggregate-predicted vs national-polled mismatch corrected at strength 0.65. Multipliers — Labour ×0.82, Conservative ×1.00, Reform UK ×1.15, Liberal Democrats ×0.96, Green Party ×1.12, SNP ×1.00, Plaid Cymru ×1.00.

Read the full local-elections methodology →

← Back to Barking and Dagenham