OsterleyPark,Hounslow ArchaeologicalDeskͲBasedAssessment May 2020 Client: NationalTrust Issue No:1 OAReferenceNo:7465 National©OxfordTrustArchaeologyEventLtdNumber:ENA9520 13May2020 NGR: 514500,177980 OsterleyPark,Hounslow1 ClientName: NationalTrust ClientRefNo:. DocumentTitle: OsterleyPark,Hounslow DocumentType: ArchaeologicalDeskͲBasedAssessment ReportNo.: 1 GridReference: 514500,177980 SiteCode: 7465 InvoiceCode: OSTPKCO OADocumentFileLocation: X:\l\London_ Hounslow_ Osterley_ Park\002 Reports\3 As sent_DATE OAGraphicsFileLocation: X:\l\London_ Hounslow_ Osterley_ Park\002 Reports\3 As sent_DATE IssueNo: 1 Date: 13May2020 Preparedby: CharlotteMalone(SeniorProjectManager) Checkedby: IantoWain(HeadofHeritageManagementServices) Editedby: IantoWain(HeadofHeritageManagementServices) ApprovedforIssueby: KenWelsh(RegionalManager,OASouth) Signature: …………………………………………………………….. 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OASouth OAEast OANorth JanusHouse 15TrafalgarWay Mill3 OsneyMead BarHill MoorLaneMills Oxford Cambridge MoorLane OX20ES CB238SQ Lancaster LA11QD t.+44(0)1865263800 t.+44(0)1223850500 t.+44(0)1524880250 [email protected] w.oxfordarchaeology.com OxfordArchaeologyisaregisteredCharity:No.285627 ©OxfordArchaeologyLtd 13May2020 OsterleyPark,Hounslow1 OsterleyPark,Hounslow ArchaeologicalDeskͲBasedAssessment Contents Summary.................................................................................................................................................................1 1 INTRODUCTION........................................................................................................2 2 AIMSANDOBJECTIVES.............................................................................................2 3 LOCATION,TOPOGRAPHYANDGEOLOGY...............................................................2 4 METHODOLOGY........................................................................................................3 4.1 ScopeandSourcesConsulted......................................................................................................................3 4.2 AssumptionsandLimitations.......................................................................................................................3 5 PLANNINGBACKGROUND........................................................................................4 5.1 NationalPlanningPolicy..............................................................................................................................4 5.2 LocalPlanningPolicy....................................................................................................................................5 6 WALKOVERSURVEY..................................................................................................7 7 HISTORICANDARCHAEOLOGICALBASELINE.........................................................10 7.1 Introduction...............................................................................................................................................10 7.2 DesignatedHeritageAssets.......................................................................................................................10 7.3 PreviousArchaeologicalInvestigations......................................................................................................11 7.4 PrehistoricPeriod(500,000BP–AD43)....................................................................................................15 7.5 RomanoͲBritishPeriod(AD43–410)........................................................................................................15 7.6 TheMedievalPeriod(AD410–1550).......................................................................................................15 7.7 PostͲMedievalPeriod(1550Ͳ1900)............................................................................................................17 7.8 Modern......................................................................................................................................................18 7.9 Undated.....................................................................................................................................................19 7.10 NationalTrustArchaeologicalSurvey........................................................................................................19 7.11 LiDAR.........................................................................................................................................................21 7.12 DroneMountedPhotoSurveyandSatelliteImagery.................................................................................22 7.13 MapRegression.........................................................................................................................................23 8 PREVIOUSIMPACTSANDSURVIVAL.......................................................................27 9 ARCHAEOLOGICALPOTENTIALANDSIGNIFICANCE...............................................28 9.1 Introduction...............................................................................................................................................28 9.2 PrehistoricandRomanPeriods..................................................................................................................29 9.3 MedievalPeriod.........................................................................................................................................29 ©OxfordArchaeologyLtd iv 13May2020 OsterleyPark,Hounslow1 9.4 PostͲmedievalandModernPeriod............................................................................................................30 10 RECOMMENDATIONS.............................................................................................31 10.1 ManagementRecommendations..............................................................................................................31 10.2 OpportunitiesforFurtherResearch,FieldworkandEnhancement...........................................................33 11 CONCLUSION..........................................................................................................34 APPENDIXA GAZETTEEROFKNOWNHERITAGEASSETSWITHINTHESTUDYAREA....37 Abbreviations........................................................................................................................................................37 APPENDIXB BIBLIOGRAPHYANDLISTOFSOURCESCONSULTED...............................101 ©OxfordArchaeologyLtd v 13May2020 OsterleyPark,Hounslow1 ListofFigures Figure1 Sitelocation Figure2 Designatedheritageassets Figure3 GreaterLondonHistoricEnvironmentRecord(GLHER)archaeological investigationdata Figure4 GreaterLondonHistoricEnvironmentRecord(GLHER)data Figure5 NationalTrustHistoricEnvironmentRecord(NTHER)data Figure6 LiDARmultihillshadevisualisation Figure7aͲd NationalTrustArchaeologicalSurveyandLiDARearthworkinterpretationplot Figure8aͲb Cropmark/parchmarkplot Figure9 MosesGlover'sPlanofIsleworth1635 Figure10 Rocque'sSurveyofLondon1741Ͳ45 Figure11 OrdnanceSurveyDrawing1807 Figure12 HestonEnclosureMap1818 Figure13 Greenwood'sMapofMiddlesex1818Ͳ19 Figure14 ExtractfromPlanofOsterleyParkaccompanyingofferofalease1832 Figure15 FirstEditionOrdnanceSurvey(CountySeries25in)1865 Figure16 Estatemapc.1875 Figure17 SecondEditionOrdnanceSurvey(CountySeries25in)1894Ͳ6 ListofPlates Plate1 Earthworkremainsofa17thcenturygardenenclosure(OA25),viewlooking north Plate2 A16thcenturyfieldboundarybank(OA38),viewlookingsouthͲeast Plate3 Bank(OA83)markingtheboundarybetweenIndianClumpandHospital Field,viewlookingsouthͲwest Plate4 ConcretepostandmetalworkfromtheSecondWorldWarhospitalfence(OA 83) Plate5 ConcretepostfromtheSecondWorldWarhospitalfence(OA83) Plate6 Ditchassociatedwithamodernservicetrench(OA177),viewlookingwest Plate7 A16thcenturyfieldboundary(OA38)crossingtheMainDrive,viewlooking south Plate8 A16thcenturyfieldboundary(OA38)crossingtheMainDrive,viewlooking north Plate9 Alargeditch(OA55)possiblymarkingtheoriginalcourseofOsterleyLane, viewlookingsouthͲwest Plate10 Alinearditch(OA62)correspondingwithafieldboundaryshownon Rocque’s1741map,viewlookingsouthͲwest Plate11 Brickfootingofabuilding(OA87)associatedwiththePrisonerofWarcamp, viewlookingwest Plate12 Concretebaseofabuilding(OA89)associatedwiththePrisonerofWar camp,viewlookingnorthͲwest Plate13 Gatepostsandgateassociatedwiththefence(OA86)ofthePrisonerofWar camp,viewlookingsouthͲeast ©OxfordArchaeologyLtd vi 13May2020 OsterleyPark,Hounslow1 Plate14 Hollow(OA60)intheareaofa20thcenturybuilding,viewlookingsouthͲ west Plate15 ConcretepostintheboundaryfencebetweentheTriangularClumpandForty Field,viewlookingnorth Plate16 MetalpostintheboundaryfencebetweentheTriangleClumpandForty Field,viewlookingnorthͲwest Plate17 Ditchmarkingatrackway(OA65)shownonRocque’s1741map,view