GeoPlace Data Entry Conventions and Best Practice for Addresses DEC-Addresses Version 3.4 September 2016 A Reference Manual GeoPlace™ LLP Page intentionally blank Table of Contents Table of Contents Page Number Policy Changes in DEC-Addresses v3.4 5 1. Foreword 9 2. About this Reference Manual 11 2.1 Introduction 11 2.2 Copyright 12 2.3 Evaluation criteria 12 2.4 Definitions used throughout this document 13 2.5 Alphabet rules 13 2.6 How to comment on this Reference Manual 15 3. Introduction 16 3.1 Purpose of this document 16 3.2 Scope of this document 17 3.3 Types of Authority 18 3.4. Update Regime 19 3.5. Data Creation and Responsibility 19 3.6 Scope of an LLPG 19 3.7 LLPG Content 21 3.8 LLPG Metadata and Quality Statement 22 4. Street Naming and Numbering 23 4.1 Background 23 4.2 Policy 24 4.3 Best Practice 31 5. Streets 33 5.1 Definition and Background 33 5.2 Policy 34 5.3 Data Entry Conventions 35 5.4 Best Practice 55 6. Basic Land and Property Unit (BLPU) 58 6.1 Definition and Background 58 6.2 Policy 58 6.3 Data Entry Conventions 59 6.4 Best Practice 70 7 Land and Property Identifier 75 7.1 Definition and Background 75 7.2 Policy 75 7.3 Data Entry Conventions 76 7.4 Best Practice 85 8 Application Cross References 88 8.1 Background 88 8.2 Policy 88 8.3 Data Entry Conventions 88 8.4 Best Practice 90 9 Additional Data Required 91 9.1 Background 91 9.2 File Details 91 © GeoPlace™ LLP GeoPlace Data Entry Conventions and Best Practice for Addresses (DEC-Addresses) A Reference Manual Version 3.4 September 2016 Page 1 of 385 Table of Contents 10 Using the Candidate Process to Receive ACI 92 10.1 Background 92 10.2 What is a valid Candidate? 92 10.3 Candidate Submitter Process 93 11 Managing Land and Property Records 94 11.1 Background 94 11.2 Property Lifecycle 94 11.3 New Developments 95 11.4 Tracking ACI 96 11.5 Lifecycle of a BLPU 96 11.6 Linking BLPUs to Streets 98 11.7 Demolished Properties 108 11.8 Splits and Mergers 111 11.9 Grouped Properties 115 11.10 Accommodation Sites 124 11.11 Describing Land Parcels 127 11.12 Complex and Grouped Property Type Examples 128 11.13 Property Types 139 11.14 Addressable Objects without a Postal Address 146 11.15 Excluded Addressable Objects 147 11.16 Bilingual Gazetteers 147 11.17 Administrative Boundary Changes 150 11.18 Improving Representative Point Code Allocation 150 12 Ensuring Data Integrity and Consistency 154 12.1 Background 154 13 Generating Postal Addresses 155 13.1 Background 155 13.2 Notes 157 13.3 Generating Postal Addresses for properties with no Street Names 157 13.4 Generating Postal Addresses for grandchild Records 158 Appendix A: - Glossary of Defined Terms 160 Appendix B: - USRN Allocations 188 Appendix C: - BLPU Classifications 199 Appendix D: - BLPU Classification Cross-References to Third Parties 306 Appendix E: - Statutory Legislation and Guidance 323 Appendix F: - Example Corporate Policy 353 Appendix G: – Data Flows 355 Appendix H: - Inner and Outer London Authorities 361 Appendix I: - Entity Relationship Diagram 362 Appendix J: - Definition of a House in Multiple Occupation 363 Appendix K: - Interacting with GeoPlace 365 Appendix L: - Data Linking to other Datasets 371 Appendix M: - Linking to Electoral Register Data 377 Appendix N: - References 381 Appendix O: - List of Contributors 382 Index 382 © GeoPlace™ LLP GeoPlace Data Entry Conventions and Best Practice for Addresses (DEC-Addresses) A Reference Manual Version 3.4 September 2016 Page 2 of 385 List of Tables List of Figures Figure 1 - Representation of a Level 1 Street ........................................................................... 36 Figure 2 - Representation of a Level 2 Street ........................................................................... 36 Figure 3 - Representation of a Level 3 Street ........................................................................... 36 Figure 4 - Type 1 or type 2 Street Name (Courts) .................................................................... 44 Figure 5 - One block with two access points ........................................................................... 99 Figure 6 - Blocks with multiple accesses ................................................................................. 100 Figure 7 - Building name appearing twice on the same Street .......................................... 101 Figure 8 - Grouped properties accessed from different Streets.......................................... 102 Figure 9 - BLPU referenced to another BLPU .......................................................................... 103 Figure 10 - BLPU with no apparent Street or referenced BLPU ............................................ 104 Figure 11 - Street in neighbouring SNN Authority ................................................................... 106 Figure 12 - Local Highway Authority administrative boundary in centre line of Street .... 107 Figure 13 - SNN Authority administrative boundary dissects Street .................................... 108 Figure 14 - Splits and mergers ................................................................................................... 112 Figure 15 - Parents and children .............................................................................................. 114 Figure 16 - Type 1 Street Name Park Terrace ......................................................................... 121 Figure 17 - Accommodation sites ............................................................................................ 126 © GeoPlace™ LLP GeoPlace Data Entry Conventions and Best Practice for Addresses (DEC-Addresses) A Reference Manual Version 3.4 September 2016 Page 3 of 385 List of Tables List of Tables Table 1 - Maximum Permitted Tolerance Values .................................................................... 57 Related Documents Document title and version For the use of GeoPlace DTF7.3 for Addresses version 3.1 Fourth Authority Address Custodians Edition © GeoPlace™ LLP GeoPlace Data Entry Conventions and Best Practice for Addresses (DEC-Addresses) A Reference Manual Version 3.4 September 2016 Page 4 of 385 Document History Policy Changes in DEC-Addresses v3.4 This table provides a summary of the differences between DEC-NLPG v3.3 April 2014 and DEC-Addresses v3.4 September 2016. Section in Section in Summary of change Page v3.3 v3.4 No. All All Terminology changes to align removal of term NLPG and those used in DTF7.3 and DTF8.1. Introduction of terms GeoPlace, GeoHub and terms defined in the Data Co-operation Agreement. 1. 1. Section rewritten to align to GeoPlace and Data Co-operation 9 Agreement. 2. 2. Section restructured to include section 2.4, Definitions used 11 throughout this document and section 2.5, Alphabet rules. 3. 3. Section restructured to section 3.1, Purpose of this document, 16 section 3.2, Scope of this document and section 3.3, Types of Authority. Entity diagram moved to Appendix I. 4.2.1.6 4.2.1.6 “Subdivision” inserted in fourth bullet. 25 4.2.1.14 4.2.1.14 New third bullet inserted – “New building or Street names should 26-27 not begin with “The”. New ninth bullet confirmation of contact details for use of Royal names inserted. New eleventh bullet inserted – “The use of names and their combination with numbers that could be easily vandalised or changed into any of the above, for example, ”Canal Turn”. New thirteenth bullet inserted – “The use of names that can be construed to be used for advertising or commercial gain”. 5.1.8 5.1.8 “DEC-Addresses: type 9 Street, inserted. 33 5.1.9 New section concerning use of USRN range for type 3 Streets, 34 inserted. 5.1.10 New section concerning linking of type 3 Streets, inserted. 34 5.3.3 5.3.3 LSG responsibility for USRN allocation for Motorways and PRoWs 36 confirmed. 5.3.7.2 5.3.7.2 “Trunk Road” defined in second bullet. 42 New third bullet inserted – “A Highway Maintainable at Public Expense”. 5.3.8.2 5.3.8.2 New sixth bullet inserted concerning use of Street BLPUs. 44 5.3.8.8 5.3.8.8 Minor amendments to improve clarity of section. 45 5.3.8.15 5.3.8.15 Minor amendments to improve clarity of section. 46 5.3.8.16 5.3.8.16 Minor amendments to improve clarity of section. 46 5.3.10.8 5.3.10.8 Clarification of naming of Motorway services slip roads inserted. 48 5.4.4.1 5.4.4.3 Maximum tolerance change 100m to 50m. 56 5.4.5.3 5.4.4.3 Street STATE = 5 – Street for addressing purposes only, inserted in 56 Table 1. © GeoPlace™ LLP GeoPlace Data Entry Conventions and Best Practice for Addresses (DEC-Addresses) A Reference Manual Version 3.4 September 2016 Page 5 of 385 Document History Section in Section in Summary of change Page v3.3 v3.4 No. 6.1.3 6.1.3 BLPU Classification third party cross reference sources 58 confirmed. 6.3.2 6.3.2 Minor amendments to improve clarity of section. 59 6.3.13.2 6.3.13.2 Minor amendments to improve clarity of section. 66 6.3.20.4 6.3.20.4 Minor amendments to improve clarity of section. 69 6.3.20.5 New section concerning use of Alternative LPIs, inserted. 69 6.3.20.6 New section concerning use of Street BLPUs before construction 69 commences, inserted. 6.4.2.1 6.4.2.1 Minor amendments to improve clarity of section. 71 6.4.2.2 6.4.2.2 Minor amendments to improve clarity of section. 71 6.4.2.3 6.4.2.3 Minor amendments to improve clarity of section. 71 6.4.3.3 6.4.3.3 Minor amendments to improve clarity of section. 72 6.4.4.2 6.4.4.2 Minor amendments to improve clarity of section. 73 7.3.2.2 7.3.2.2 Rules for alphabet usage moved to section 2.5. 76 7.3.5.9 7.3.5.8 New definition and external reference to large user postcode, 84 inserted. 7.3.6.4 Section deleted. 9.2.2.1 9.2.2.1 Minor amendments to improve clarity of section. 91 10.1.1.1 Section removed. 10.1.2 10.1.2 Section edited to reflect current Candidate processes. 92 10.1.3 10.1.3 Section edited to reflect current Candidate processes.