{"unit_type": "constituency", "unit": "Chesham and Amersham", "slug": "chesham-and-amersham", "latest_week": "2026-09-07", "latest": {"week": "2026-09-07", "incorporated": 20, "expected_trade": 8.7, "expected_trade_own": 8.7, "verified_sites": 0, "food_premises": 0, "no_site": 15, "checked": 20, "at_agent": 0, "property": 5, "operating_own": 15, "agent_share": 0.0, "property_share": 0.25, "last_year_active": null, "last_year_on_register": null, "incomplete": false}, "baseline_52w_active": null, "series": [{"week": "2026-06-01", "incorporated": 13, "expected_trade": 5.3, "expected_trade_own": 5.3, "verified_sites": 0, "food_premises": 0, "no_site": 0, "checked": 0, "at_agent": 0, "property": 1, "operating_own": 12, "agent_share": 0.0, "property_share": 0.077, "last_year_active": null, "last_year_on_register": null, "incomplete": false}, {"week": "2026-06-08", "incorporated": 12, "expected_trade": 5.1, "expected_trade_own": 5.1, "verified_sites": 0, "food_premises": 0, "no_site": 0, 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"expected_trade_own": 11.2, "verified_sites": 1, "food_premises": 0, "no_site": 18, "checked": 26, "at_agent": 0, "property": 1, "operating_own": 25, "agent_share": 0.0, "property_share": 0.038, "last_year_active": null, "last_year_on_register": null, "incomplete": false}, {"week": "2026-09-07", "incorporated": 20, "expected_trade": 8.7, "expected_trade_own": 8.7, "verified_sites": 0, "food_premises": 0, "no_site": 15, "checked": 20, "at_agent": 0, "property": 5, "operating_own": 15, "agent_share": 0.0, "property_share": 0.25, "last_year_active": null, "last_year_on_register": null, "incomplete": false}], "recent": {"weeks": 8, "incorporated": 163, "verified_sites": 1, "food_premises": 0, "no_site": 33, "checked": 46}, "pcon_code": "E14001162", "region": "South East", "nation": "England", "councils": [{"name": "Buckinghamshire", "share": 1.0}], "sectors": [{"sector": "Property", "n": 5, "share": 0.25, "prev_share": 0.114}, {"sector": "Retail & wholesale", "n": 4, "share": 0.2, "prev_share": 0.118}, {"sector": "Health & social care", "n": 2, "share": 0.1, "prev_share": 0.07}, {"sector": "Construction", "n": 2, "share": 0.1, "prev_share": 0.11}, {"sector": "Manufacturing", "n": 2, "share": 0.1, "prev_share": 0.044}, {"sector": "Arts & leisure", "n": 1, "share": 0.05, "prev_share": 0.009}, {"sector": "Other services", "n": 1, "share": 0.05, "prev_share": 0.022}, {"sector": "Professional services", "n": 1, "share": 0.05, "prev_share": 0.14}], "rising": ["Property"], "sectors_4w": [{"sector": "Professional services", "n": 15, "share": 0.163}, {"sector": "Property", "n": 12, "share": 0.13}, {"sector": "Retail & wholesale", "n": 11, "share": 0.12}, {"sector": "Health & social care", "n": 10, "share": 0.109}, {"sector": "Construction", "n": 8, "share": 0.087}, {"sector": "Hospitality & food", "n": 7, "share": 0.076}, {"sector": "IT & media", "n": 7, "share": 0.076}, {"sector": "Finance & insurance", "n": 6, "share": 0.065}], "bands": {"A": 6, "B": 6, "C": 6, "D": 2, "E": 0, "operating": 17, "scored": 20}, "companies": [], "examples": [], "survival": {"n": 1972, "survived": 65.6, "traded": 46.1, "n_all": 1972, "agent_share": 0.0, "name": "Chesham and Amersham", "code": "E14001162", "nation": "England", "rank": 19, "of": 649, "region_figures": {"n": 148357, "survived": 56.7, "traded": 39.4, "n_all": 151258, "agent_share": 1.9}, "uk_figures": {"n": 1178421, "survived": 51.4, "traded": 35.1, "n_all": 1390138, "agent_share": 15.2}, "formed": ["2022-01", "2023-09"]}, "mp": {"name": "Sarah Green", "party": "Liberal Democrat", "member_id": 4918}, "fee_rise": {"code": "E14001162", "name": "Chesham and Amersham", "pre_formed": 377.0, "post_formed": 370.0, "pre_per_month": 94.2, "post_per_month": 92.5, "change_pct": -1.9, "pre_dead18_pct": 20.7, "post_dead18_pct": 18.6, "pre_traded_pct": 47.2, "post_traded_pct": 46.8, "pre_formed_all_addresses": 377.0, "post_formed_all_addresses": 370.0, "enough": true}, "four_weeks": {"n": 92, "agent": 0, "own": 92, "trade": 41, "agent_share": 0.0, "start": "2026-08-17", "end": "2026-09-13", "weeks": 4}}