{"unit_type": "constituency", "unit": "Birmingham Northfield", "slug": "birmingham-northfield", "latest_week": "2026-09-07", "latest": {"week": "2026-09-07", "incorporated": 14, "expected_trade": 5.7, "expected_trade_own": 5.7, "verified_sites": 0, "food_premises": 0, "no_site": 8, "checked": 14, "at_agent": 0, "property": 1, "operating_own": 13, "agent_share": 0.0, "property_share": 0.071, "last_year_active": null, "last_year_on_register": null, "incomplete": false}, "baseline_52w_active": null, "series": [{"week": "2026-06-01", "incorporated": 18, "expected_trade": 7.9, "expected_trade_own": 7.9, "verified_sites": 0, "food_premises": 0, "no_site": 0, "checked": 0, "at_agent": 0, "property": 2, "operating_own": 16, "agent_share": 0.0, "property_share": 0.111, "last_year_active": null, "last_year_on_register": null, "incomplete": false}, {"week": "2026-06-08", "incorporated": 7, "expected_trade": 2.8, "expected_trade_own": 2.8, "verified_sites": 0, "food_premises": 0, "no_site": 0, "checked": 0, "at_agent": 0, "property": 1, "operating_own": 6, "agent_share": 0.0, "property_share": 0.143, "last_year_active": null, "last_year_on_register": null, "incomplete": true}, {"week": "2026-06-15", "incorporated": 18, "expected_trade": 8.5, "expected_trade_own": 8.5, "verified_sites": 0, "food_premises": 0, "no_site": 0, "checked": 0, "at_agent": 0, "property": 5, "operating_own": 13, "agent_share": 0.0, "property_share": 0.278, "last_year_active": null, "last_year_on_register": null, "incomplete": false}, {"week": "2026-06-22", "incorporated": 10, "expected_trade": 4.3, "expected_trade_own": 4.3, "verified_sites": 0, "food_premises": 0, "no_site": 0, "checked": 0, "at_agent": 0, "property": 2, "operating_own": 8, "agent_share": 0.0, "property_share": 0.2, "last_year_active": null, "last_year_on_register": null, "incomplete": false}, {"week": "2026-06-29", "incorporated": 31, "expected_trade": 12.6, "expected_trade_own": 12.6, "verified_sites": 0, "food_premises": 0, "no_site": 0, "checked": 0, "at_agent": 0, "property": 4, "operating_own": 27, "agent_share": 0.0, "property_share": 0.129, "last_year_active": null, "last_year_on_register": null, "incomplete": false}, {"week": "2026-07-06", "incorporated": 15, "expected_trade": 5.8, "expected_trade_own": 5.8, "verified_sites": 0, "food_premises": 0, "no_site": 0, "checked": 0, "at_agent": 0, "property": 0, "operating_own": 15, "agent_share": 0.0, "property_share": 0.0, "last_year_active": null, "last_year_on_register": null, "incomplete": false}, {"week": "2026-07-13", "incorporated": 9, "expected_trade": 3.5, "expected_trade_own": 3.5, "verified_sites": 0, "food_premises": 0, "no_site": 0, "checked": 0, "at_agent": 0, "property": 0, "operating_own": 9, "agent_share": 0.0, "property_share": 0.0, "last_year_active": null, "last_year_on_register": null, "incomplete": false}, {"week": "2026-07-20", "incorporated": 12, "expected_trade": 4.9, "expected_trade_own": 4.9, "verified_sites": 0, "food_premises": 0, "no_site": 0, "checked": 0, "at_agent": 0, "property": 0, "operating_own": 12, "agent_share": 0.0, "property_share": 0.0, "last_year_active": null, "last_year_on_register": null, "incomplete": false}, {"week": "2026-07-27", "incorporated": 14, "expected_trade": 5.8, "expected_trade_own": 5.8, "verified_sites": 0, "food_premises": 0, "no_site": 0, "checked": 0, "at_agent": 0, "property": 1, "operating_own": 13, "agent_share": 0.0, "property_share": 0.071, "last_year_active": null, "last_year_on_register": null, "incomplete": false}, {"week": "2026-08-03", "incorporated": 12, "expected_trade": 4.6, "expected_trade_own": 4.6, "verified_sites": 0, "food_premises": 0, "no_site": 0, "checked": 0, "at_agent": 0, "property": 0, "operating_own": 12, "agent_share": 0.0, "property_share": 0.0, "last_year_active": null, "last_year_on_register": null, "incomplete": false}, {"week": "2026-08-10", "incorporated": 20, "expected_trade": 8.3, "expected_trade_own": 8.3, "verified_sites": 0, "food_premises": 0, "no_site": 0, "checked": 0, "at_agent": 0, "property": 4, "operating_own": 16, "agent_share": 0.0, "property_share": 0.2, "last_year_active": null, "last_year_on_register": null, "incomplete": false}, {"week": "2026-08-17", "incorporated": 15, "expected_trade": 5.6, "expected_trade_own": 5.6, "verified_sites": 0, "food_premises": 0, "no_site": 0, "checked": 0, "at_agent": 0, "property": 1, "operating_own": 14, "agent_share": 0.0, "property_share": 0.067, "last_year_active": null, "last_year_on_register": null, "incomplete": false}, {"week": "2026-08-24", "incorporated": 13, "expected_trade": 5.5, "expected_trade_own": 5.5, "verified_sites": 0, "food_premises": 0, "no_site": 0, "checked": 0, "at_agent": 0, "property": 2, "operating_own": 11, "agent_share": 0.0, "property_share": 0.154, "last_year_active": null, "last_year_on_register": null, "incomplete": false}, {"week": "2026-08-31", "incorporated": 15, "expected_trade": 5.9, "expected_trade_own": 5.9, "verified_sites": 1, "food_premises": 0, "no_site": 10, "checked": 14, "at_agent": 0, "property": 0, "operating_own": 15, "agent_share": 0.0, "property_share": 0.0, "last_year_active": null, "last_year_on_register": null, "incomplete": false}, {"week": "2026-09-07", "incorporated": 14, "expected_trade": 5.7, "expected_trade_own": 5.7, "verified_sites": 0, "food_premises": 0, "no_site": 8, "checked": 14, "at_agent": 0, "property": 1, "operating_own": 13, "agent_share": 0.0, "property_share": 0.071, "last_year_active": null, "last_year_on_register": null, "incomplete": false}], "recent": {"weeks": 8, "incorporated": 115, "verified_sites": 1, "food_premises": 0, "no_site": 18, "checked": 28}, "pcon_code": "E14001097", "region": "West Midlands", "nation": "England", "councils": [{"name": "Birmingham", "share": 1.0}], "sectors": [{"sector": "Hospitality & food", "n": 5, "share": 0.357, "prev_share": 0.103}, {"sector": "Construction", "n": 3, "share": 0.214, "prev_share": 0.092}, {"sector": "Retail & wholesale", "n": 2, "share": 0.143, "prev_share": 0.201}, {"sector": "Arts & leisure", "n": 1, "share": 0.071, "prev_share": 0.0}, {"sector": "Manufacturing", "n": 1, "share": 0.071, "prev_share": 0.054}, {"sector": "Professional services", "n": 1, "share": 0.071, "prev_share": 0.098}, {"sector": "Property", "n": 1, "share": 0.071, "prev_share": 0.071}, {"sector": "Health & social care", "n": 0, "share": 0.0, "prev_share": 0.054}], "rising": ["Hospitality & food"], "sectors_4w": [{"sector": "Retail & wholesale", "n": 12, "share": 0.211}, {"sector": "Hospitality & food", "n": 9, "share": 0.158}, {"sector": "IT & media", "n": 7, "share": 0.123}, {"sector": "Construction", "n": 6, "share": 0.105}, {"sector": "Manufacturing", "n": 4, "share": 0.07}, {"sector": "Professional services", "n": 3, "share": 0.053}, {"sector": "Health & social care", "n": 3, "share": 0.053}, {"sector": "Property", "n": 3, "share": 0.053}], "bands": {"A": 0, "B": 5, "C": 5, "D": 2, "E": 2, "operating": 11, "scored": 14}, "companies": [], "examples": [], "survival": {"n": 1393, "survived": 46.5, "traded": 31.5, "n_all": 1664, "agent_share": 16.3, "name": "Birmingham Northfield", "code": "E14001097", "nation": "England", "rank": 510, "of": 649, "region_figures": {"n": 110449, "survived": 46.5, "traded": 31.1, "n_all": 121848, "agent_share": 9.4}, "uk_figures": {"n": 1178421, "survived": 51.4, "traded": 35.1, "n_all": 1390138, "agent_share": 15.2}, "formed": ["2022-01", "2023-09"]}, "mp": {"name": "Laurence Turner", "party": "Labour", "member_id": 5234}, "fee_rise": {"code": "E14001097", "name": "Birmingham Northfield", "pre_formed": 244.0, "post_formed": 215.0, "pre_per_month": 61.0, "post_per_month": 53.8, "change_pct": -11.9, "pre_dead18_pct": 34.8, "post_dead18_pct": 32.6, "pre_traded_pct": 34.4, "post_traded_pct": 35.8, "pre_formed_all_addresses": 248.0, "post_formed_all_addresses": 216.0, "enough": true}, "four_weeks": {"n": 57, "agent": 0, "own": 57, "trade": 23, "agent_share": 0.0, "start": "2026-08-17", "end": "2026-09-13", "weeks": 4}}