{"id": "n-7a16ccafa7", "slug": "welwyn-garden-city-panshanger-aerodrome", "type": "other", "name": "Panshanger Aerodrome", "aka": [], "city": "Welwyn Garden City", "county": null, "state": null, "country": "England", "census_division": null, "lat": 51.80194444, "lon": -0.15833333, "geocode_method": "wikipedia", "address": null, "metro": null, "original_use": "airport", "year_opened": null, "year_closed": 2014, "acres": null, "gla_sqft": null, "stores_peak": null, "levels": null, "original_developer": null, "original_architect": null, "before_notes": "Draft from Wikipedia, model-extracted, unreviewed: Panshanger Aerodrome, a former general aviation aerodrome in Welwyn Garden City, England, closed in 2014 and is approved for redevelopment into 860 homes, a local center, primary school, and recreational space, known as DeHavilland Park.", "strategy": ["redevelop"], "new_use": ["education", "housing", "mixed", "park", "retail"], "share_retrofit": null, "status": "approved", "year_retrofit": 2023, "developer": null, "architect": null, "after_notes": "housing, a new local centre, a primary school, and recreational space", "narrative": "Panshanger Aerodrome (ICAO: EGLG) was a general aviation aerodrome located on the most eastern tip of Welwyn Garden City, Hertfordshire, England, approximately 3 miles (4.8 km) west of Hertford.\n\n\n== Wartime history ==\nDuring the Second World War, a decoy aerodrome for the de Havilland factory at Hatfield was built on land at Holwell Hyde, just south of Panshanger airfield, and the Royal Air Force occasionally made use of it for training. Panshanger airfield itself was more regularly used by the Royal Air Force for training purposes and a large Bellman hangar was erected to accommodate the aircraft based there. This structure still exists, albeit in a dilapidated condition.\nNo.", "narrative_license": "CC BY-SA 4.0", "narrative_source": "https://en.wikipedia.org/wiki/Panshanger_Aerodrome", "zoning_change": null, "public_subsidy": null, "entitlement_year": 2023, "planning_notes": "Approved by Welwyn Hatfield Borough Council.", "wikidata_qid": "Q3914782", "wikipedia": "https://en.wikipedia.org/wiki/Panshanger_Aerodrome", "osm_id": null, "verified": "draft", "verified_by": null, "last_verified": null, "last_updated": "2026-10-18", "created": "2026-10-18", "contributor_name": null, "contributor_org": null, "contributor_link": null, "international": 1, "county_fips": null, "opp_score": null, "opp_reasons": null, "for_sale": 0, "distressed": 0, "url": "https://retrofitatlas.org/other/england/welwyn-garden-city-panshanger-aerodrome/", "events": [{"year": 2014, "date": null, "kind": "note", "detail": "Planning proposal to build 700 houses on the site", "source_id": 9301}, {"year": 2014, "date": null, "kind": "note", "detail": "Aerodrome closed", "source_id": 9302}, {"year": 2014, "date": null, "kind": "closed", "detail": "Closed", "source_id": null}, {"year": 2016, "date": null, "kind": "note", "detail": "Local Council hopes to pursue a mixed use option", "source_id": 9303}, {"year": 2023, "date": null, "kind": "note", "detail": "Proposal for 650 homes extended by 210 dwellings", "source_id": 9304}, {"year": 2023, "date": null, "kind": "retrofit", "detail": "Retrofit: redevelop", "source_id": null}], "sources": [{"id": 9300, "site_id": "n-7a16ccafa7", "url": "https://en.wikipedia.org/wiki/Panshanger_Aerodrome", "title": "Panshanger Aerodrome", "publisher": "Wikipedia", "date": null, "quote": "Panshanger Aerodrome (ICAO: EGLG)", "kind": "wikipedia", "license": "CC BY-SA 4.0", "retrieved": "2026-10-18"}, {"id": 9301, "site_id": "n-7a16ccafa7", "url": "https://en.wikipedia.org/wiki/Panshanger_Aerodrome", "title": "Timeline", "publisher": null, "date": null, "quote": "The aerodrome had been under threat from a planning proposal to build 700 houses on the site", "kind": "quote", "license": null, "retrieved": "2026-10-18"}, {"id": 9302, "site_id": "n-7a16ccafa7", "url": "https://en.wikipedia.org/wiki/Panshanger_Aerodrome", "title": "Timeline", "publisher": null, "date": null, "quote": "The aerodrome closed on 20 September 2014", "kind": "quote", "license": null, "retrieved": "2026-10-18"}, {"id": 9303, "site_id": "n-7a16ccafa7", "url": "https://en.wikipedia.org/wiki/Panshanger_Aerodrome", "title": "Timeline", "publisher": null, "date": null, "quote": "the local Council hope to pursue a mixed use option, with general aviation activities alongside a smaller number of new houses on part of the airfield site.", "kind": "quote", "license": null, "retrieved": "2026-10-18"}, {"id": 9304, "site_id": "n-7a16ccafa7", "url": "https://en.wikipedia.org/wiki/Panshanger_Aerodrome", "title": "Timeline", "publisher": null, "date": null, "quote": "In July 2023, Welwyn Hatfield Borough Council extended an existing proposal for 650 homes on the old airfield site, by adding permission for another 210 dwellings.", "kind": "quote", "license": null, "retrieved": "2026-10-18"}], "deals": [], "parties": [], "parcels": [], "context": {"assessment": {"what_happened": "Panshanger Aerodrome (closed 2014) approved for redevelopment in 2023. Planning approved by Welwyn Hatfield Borough Council. Current strategy: redevelop. New uses include housing (650+210 dwellings proposed), education, retail, park, and mixed-use. After notes specify housing, local centre, primary school, and recreational space. Status: approved. Verified as draft. Timeline: 2014 closure, 2016 council mixed-use interest, 2023 retrofit approval. Context: 7.5km from Hatfield Aerodrome (1 within 10km). Peers (e.g., Whiteleys, 32km away) share 'redevelop' strategy but are geographically distant. Unknown: exact land area, financials, environmental constraints, or community feedback details.", "why": "Record shows approved 2023 retrofit with specific housing numbers and mixed-use components. Peers are distant redevelopments. No additional context on challenges or implementation details provided.", "where_it_stands": "Approved redevelopment plan in progress. No further details on construction timeline or community impact available in record.", "for_a_planner": ["Approved 2023 plan includes housing (650+210 dwellings), school, and park. Mixed-use retail/education components specified. Peers are distant redevelopments with similar strategy."], "for_a_developer": ["Housing focus (650+210 dwellings) and mixed-use retail/education are approved. No financials or land area provided. Peers show similar redevelopments but at 32km+ distance."], "risks_and_unknowns": ["Verified as draft (not final). No details on environmental, traffic, or community opposition. No timeline beyond 2023 approval. Peers are not comparable due to distance."], "data_quality": "partial", "one_line": "Approved 2023 redevelopment plan for housing (650+210 dwellings), school, park, and mixed-use on former airport site. Peers are distant redevelopments.", "model": "qwen3-30b-a3b-64k:latest", "machine": "Dell 5820 RTX 3090 (Ollama, qwen3-30b-a3b)", "record_sha1": "a63404e0ae1b"}, "cluster": {"within_10km": [{"id": "n-eba6eaeb34", "name": "Hatfield Aerodrome", "city": "Hatfield", "status": "built", "km": 7.5}], "count_10km": 1, "count_25km": 7}, "peers": {"peers": [{"id": "m-ec1abc61e7", "name": "Whiteleys", "city": "Bayswater", "state": null, "score": 5.5, "why": ["closed 2018", "same strategy: redevelop", "32 km away"]}, {"id": "n-0a9a114baf", "name": "Rolls-Royce plant", "city": "East Kilbride", "state": null, "score": 5.0, "why": ["closed 2010", "same strategy: redevelop"]}, {"id": "n-5988389cb1", "name": "Lewisham shopping centre", "city": "Lewisham", "state": null, "score": 5.0, "why": ["same strategy: redevelop", "39 km away"]}, {"id": "m-5a855ce72a", "name": "Highland Mall", "city": "Austin", "state": "TX", "score": 4.5, "why": ["closed 2015", "same strategy: redevelop"]}, {"id": "m-2afa0a0e0b", "name": "Arsenal Mall", "city": "Watertown", "state": "MA", "score": 4.5, "why": ["closed 2018", "same strategy: redevelop"]}, {"id": "m-251a441e4b", "name": "Summit Park Mall", "city": "Wheatfield", "state": "NY", "score": 4.5, "why": ["closed 2018", "same strategy: redevelop"]}], "method": "size, era, strategy, status, type, state, distance"}}, "elements": [{"slug": "use-retail", "name": "Retail (continued)", "group_": "use", "evidence": "new_use field", "origin": "newtypes-extraction"}, {"slug": "strategy-redevelop", "name": "Redeveloped", "group_": "strategy", "evidence": "housing, a new local centre, a primary school, and recreational space", "origin": "record"}, {"slug": "use-housing", "name": "Housing", "group_": "use", "evidence": "housing, a new local centre, a primary school, and recreational spa", "origin": "newtypes-extraction"}, {"slug": "use-education", "name": "Education", "group_": "use", "evidence": "housing, a new local centre, a primary school, and recreational space Approved by Welwyn Hatfield Borough", "origin": "newtypes-extraction"}, {"slug": "use-park", "name": "Park and open space", "group_": "use", "evidence": "new_use field", "origin": "newtypes-extraction"}, {"slug": "era-closed-2010s", "name": "Closed 2010s", "group_": "era", "evidence": "2014", "origin": "newtypes-extraction"}, {"slug": "use-mixed", "name": "Mixed use", "group_": "use", "evidence": "new_use field", "origin": "newtypes-extraction"}, {"slug": "era-retrofit-2020s", "name": "Retrofit 2020s", "group_": "era", "evidence": "2023", "origin": "newtypes-extraction"}, {"slug": "status-pipeline", "name": "Retrofit in the pipeline", "group_": "finance", "evidence": "approved", "origin": "newtypes-extraction"}], "details": {}, "photos": [], "provenance": {"year_closed": "newtypes-extraction", "status": "newtypes-extraction", "after_notes": "newtypes-extraction", "year_retrofit": "newtypes-extraction"}, "restricted_fields": {"parcels": ["owner_addr", "assessed", "taxable", "tax_amount", "sale_price", "deed_ref"], "deals": ["price", "price_per_acre", "price_per_sqft", "loan_amount", "asking_price"], "how": "free API key: POST /api/v1/keys {\"email\": …}"}}