Thorne Tree Flatts Quarry
Waste types not recorded
Thorne Tree Flatts Quarry is a historic (closed) landfill site recorded by the Environment Agency near Knottingley. It received waste of unrecorded type between 1959 and 1971, covering about 7.2 hectares. Reference EAHLD31740, October 2025 data revision.
Full record
| EA reference | EAHLD31740 |
|---|---|
| Site name | Thorne Tree Flatts Quarry |
| Address | Knottingley, Yorkshire |
| Site operator | Plasmor Limited |
| Licence holder | Not recorded |
| Licence issued | Not recorded |
| Licence surrendered | Not recorded |
| First waste input | 31 August 1959 |
| Last waste input | 31 October 1971 |
| Area | 7.2 ha |
| Gas control | Not recorded |
| Leachate containment | Not recorded |
| Licensed site | Not recorded |
| EA area | Ridings NE |
| Grid reference | 450200, 422800 |
Source: Environment Agency Historic Landfill Sites dataset, October 2025 revision.
Boundary map
Other historic landfill sites nearby
- Jackson's QuarrySpecialIndustrialHouseholdCommercialInert
- Middle LaneLiquid / sludgeIndustrialHouseholdCommercialInert
- Quarry off Downland CrescentCommercialInert
- Landfill SiteWaste types not recorded
- England LaneInert
- Downland CrescentIndustrialHouseholdCommercialInert
What this data does — and doesn't — cover
- Licensed-era records only. Waste licensing began in 1974. Older tips — especially small pre-war ones — are incompletely recorded, so absence from this data does not mean no landfill ever existed here.
- Not the contaminated-land register. Councils hold a separate register of land determined as contaminated. A historic landfill entry is not a contamination determination, and vice versa.
- Boundaries are indicative. Digitised at 1:10,000 scale; some are buffers around a point rather than surveyed edges.
- Not a substitute for a formal environmental search. If you're buying, your conveyancer's environmental search checks this and several other sources.
EA Historic Landfill dataset, October 2025 revision. More on the methodology page.