{"id": "n-ce8a8b241a", "slug": "maidenhead-vanwall-business-park-mattel-house", "type": "office-park", "name": "Vanwall Business Park (Mattel House)", "aka": [], "city": "Maidenhead", "county": null, "state": null, "country": "UK", "census_division": null, "lat": 51.52274, "lon": -0.71974, "geocode_method": "nominatim-city", "address": null, "metro": null, "original_use": "office", "year_opened": null, "year_closed": null, "acres": null, "gla_sqft": 30000, "stores_peak": null, "levels": null, "original_developer": null, "original_architect": null, "before_notes": "Draft from thelandsite.co.uk, model-extracted, unreviewed: Bellway Homes proposes to demolish a 30,000 sq ft vacant office building (Mattel House) in Vanwall Business Park, Maidenhead, and replace it with 91 flats.", "strategy": ["redevelop"], "new_use": ["housing"], "share_retrofit": null, "status": "proposed", "year_retrofit": null, "developer": "Bellway Homes", "architect": null, "after_notes": "two apartment blocks of four/five storeys, comprising 29 one-bedroom flats, 54 with two and eight with three.", "narrative": null, "narrative_license": null, "narrative_source": null, "zoning_change": "Implied, as officers pointed to a 'nil net loss' of commercial floorspace policy.", "public_subsidy": null, "entitlement_year": null, "planning_notes": "Approved by Royal Borough.", "wikidata_qid": null, "wikipedia": null, "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/office-parks/uk/maidenhead-vanwall-business-park-mattel-house/", "events": [{"year": 2022, "date": null, "kind": "note", "detail": "Bellway Homes applied to demolish the office building and replace it with 91 flats.", "source_id": 8320}], "sources": [{"id": 8319, "site_id": "n-ce8a8b241a", "url": "https://www.thelandsite.co.uk/articles/plan-for-91-flats-at-vanwall-business-park", "title": "Plan For 91 Flats at Vanwall Business Park - The Landsite", "publisher": "thelandsite.co.uk", "date": null, "quote": "Vanwall Business Park", "kind": "news", "license": null, "retrieved": "2026-10-18"}, {"id": 8320, "site_id": "n-ce8a8b241a", "url": "https://www.thelandsite.co.uk/articles/plan-for-91-flats-at-vanwall-business-park", "title": "Timeline", "publisher": null, "date": null, "quote": "Bellway Homes is seeking to demolish a 30,000 sq ft office building on a Maidenhead business park and replace it with 91 flats.", "kind": "quote", "license": null, "retrieved": "2026-10-18"}], "deals": [], "parties": [{"name": "Bellway Homes", "kind": "developer", "role": "developer", "year_from": null, "year_to": null}], "parcels": [], "context": {"assessment": {"what_happened": "Proposed redevelopment of Vanwall Business Park (30,000 sq ft office) into 91 housing units (29 one-bed, 54 two-bed, 8 three-bed flats).", "why": "Approved by Royal Borough of Maidenhead; developer Bellway Homes applied in 2022 to replace office with housing.", "where_it_stands": "Status: proposed; planning approved but not yet built.", "for_a_planner": ["Within 10km: 3 other proposed office-to-housing projects (SAP Objects House, Switchback Office Park) and 1 approved business park (Grove Business Park).", "Zoning change implied via 'nil net loss' commercial floorspace policy."], "for_a_developer": ["No timeline given beyond 2022 application.", "Peer comparisons show similar GLA (30k sq ft) and redevelop strategy in UK/US contexts, but no financials or market data provided."], "risks_and_unknowns": ["No construction timeline or cost details.", "Verified status: draft (record not confirmed).", "No details on community feedback or environmental assessments."], "data_quality": "good", "one_line": "Proposed 91-flat conversion of 30k sq ft Maidenhead office park; approved but not built.", "model": "qwen3-30b-a3b-64k:latest", "machine": "Dell 5820 RTX 3090 (Ollama, qwen3-30b-a3b)", "record_sha1": "174f43d5ec7b"}, "cluster": {"within_10km": [{"id": "n-7be7f1fd0e", "name": "SAP Objects House", "city": "Maidenhead", "status": "proposed", "km": 0.0}, {"id": "n-dbaa7aa975", "name": "Switchback Office Park", "city": "Maidenhead", "status": "proposed", "km": 0.0}, {"id": "n-eeeb86862f", "name": "Grove Business Park", "city": "White Waltham", "status": "approved", "km": 4.9}, {"id": "n-8f060af5e1", "name": "Arundel House", "city": "Windsor", "status": "approved", "km": 8.8}], "count_10km": 4, "count_25km": 7}, "peers": {"peers": [{"id": "n-58c2c98c25", "name": "Columbus Bus Station", "city": "Columbus", "state": "OH", "score": 5.5, "why": ["similar GLA (32,000 sq ft)", "same strategy: redevelop"]}, {"id": "n-30f6309fed", "name": "Windsor Locks TOD", "city": "Windsor Locks", "state": "CT", "score": 5.5, "why": ["similar GLA (37,000 sq ft)", "same strategy: redevelop"]}, {"id": "n-4705411c21", "name": "Kew Retail Park", "city": "Kew", "state": null, "score": 5.0, "why": ["same strategy: redevelop", "30 km away"]}, {"id": "n-e0af3b2d00", "name": "Forbury Retail Park", "city": "Reading", "state": null, "score": 5.0, "why": ["same strategy: redevelop", "19 km away"]}, {"id": "m-acbc9b319d", "name": "Oastler Shopping Centre", "city": "Bradford", "state": null, "score": 4.5, "why": ["similar GLA (25,538 sq ft)", "same strategy: redevelop"]}, {"id": "n-5b44b17e5b", "name": "255 Main St.", "city": "Windsor Locks", "state": "CT", "score": 4.5, "why": ["similar GLA (37,000 sq ft)", "same strategy: redevelop"]}], "method": "size, era, strategy, status, type, state, distance"}}, "elements": [{"slug": "place-mall-cluster", "name": "3+ other atlas sites within 10 km", "group_": "place", "evidence": "4 within 10 km", "origin": "computed"}, {"slug": "strategy-redevelop", "name": "Redeveloped", "group_": "strategy", "evidence": "two apartment blocks of four/five storeys, comprising 29 one-bedroom flats, 54 with two and eight with three.", "origin": "record"}, {"slug": "use-housing", "name": "Housing", "group_": "use", "evidence": "two apartment blocks of four/five storeys, comprising 29 one-bedroom flat", "origin": "newtypes-extraction"}, {"slug": "status-pipeline", "name": "Retrofit in the pipeline", "group_": "finance", "evidence": "proposed", "origin": "record"}], "details": {}, "photos": [], "provenance": {"gla_sqft": "newtypes-extraction", "after_notes": "newtypes-extraction", "developer": "newtypes-extraction", "zoning_change": "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\": …}"}}