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Transcript of Sub title goes here Neil A. Hopper ONS – Titchfield Fareham PO15 5RR Complete your online...
![Page 1: Sub title goes here Neil A. Hopper ONS – Titchfield Fareham PO15 5RR Complete your online questionnaire on or as soon as possible after 21 March 2021 at.](https://reader035.fdocuments.net/reader035/viewer/2022070415/5697bfcf1a28abf838ca9b68/html5/thumbnails/1.jpg)
Sub title goes here
Neil A. HopperONS – TitchfieldFarehamPO15 5RR
Complete your online questionnaire on or as soon as possible after 21 March 2021 Complete your online questionnaire on or as soon as possible after 21 March 2021 at at www.census.gov.uk/englandwww.census.gov.uk/england using your unique internet access code: using your unique internet access code:
What do you need to do?What do you need to do?
An address register for all: Bridging the gap between a vision and reality.
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The VisionThe Vision
All household and business spaces will be identified and assigned a Unique Property Reference Number and classified correctly.
Detailed attribute and other household intelligence will be attached for use before, during, after and potentially instead of, data collection.
The Register to be frozen and delivered as a Frame for Social and Business surveys, Census and Beyond 2021, to their specification.
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Achieving the vision
Based on the Ordnance Survey / GeoPlace product AddressBase Premium.
AddressBase identifies all service delivery points and assigns a UPRN.
Classification of properties in AddressBase is based on consented planning permission.
Attaching household level intelligence may require source addresses to be at higher resolution than postal delivery points.
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2021 Census:Address Register requirements
Currently, we are wholly dependent upon the quality Currently, we are wholly dependent upon the quality of AddressBase to meet these targets. of AddressBase to meet these targets.
> 99% Coverage < 3.5% Over-coverage
Residential Frame
Requires that all properties that have residents both exist in the register and can be identified from its classification.
Requires low duplication rates, rapid removal of properties that cannot be found (eg recently demolished) and that non-residential addresses are not classified as residential (eg. sole use as a business).
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Address matching is essential....
Desktop evaluation of the quality of AddressBase
Can third party residential address lists be found in ABP and are they classified as residential?
et al for Communal Establishments and Businesses
Improvement and maintenance
Enhanced Register – Address IntelligenceLinkage of household attributes to frame
Evidence of occupancyNumber and demographics of occupants
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Structure
Organisation and use of AddressBase
Internal measures of AddressBase quality
AddressBase Quality assessment
Address matching issues
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Structure
Organisation and use of AddressBase
Internal measures of AddressBase quality
AddressBase Quality assessment
Address matching issues
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(Basic Land and Property Unit)UPRN assigned by LLPG custodian
or Ordnance SurveyPARENT_UPRNPOSTCODE_LOCATOR
BLPU table
UPRN – links to BLPU tableUSRN – links to Street Descriptor table
LPI table
PAO_START_NUMBERPAO_END_NUMBERPAO_START_SUFFIXPAO_END_SUFFIXPAO_TEXT
SAO_START_NUMBERSAO_END_NUMBERSAO_START_SUFFIXSAO_END_SUFFIXSAO_TEXTPOST_TOWN
1:1 England1:2 Wales
USRNSTREET_DESCRIPTORLOCALITY_NAMETOWN_NAME
Street Descriptor table
UPRN
USRN
Organisation of address data in AddressBase
Organisation table
Classification table
UPRNORGANISATIONLEGAL_NAME
UPRNCLASSIFICATION_CODE
Delivery Point (Address) tableUPRNRM_UDPRNORGANISATION_NAMEDEPARTMENT_NAMESUB_BUILDING_NAMEBUILDING_NAME
PARENT_ADDRESSABLE_UPRNBUILDING_NUMBER THROUGHFARE_NAMEPOST_TOWNPOSTCODEPO_BOX_NUMBER
1:1
1:0,1UPRN
UPRN
1:0,1
UPRN
(Local Property Identifier)
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(Basic Land and Property Unit)UPRN assigned by LLPG custodian
or Ordnance SurveyPARENT_UPRNPOSTCODE_LOCATOR
BLPU table
USRNSTREET_DESCRIPTORLOCALITY_NAMETOWN_NAME
Street Descriptor table
Organisation tableUPRNORGANISATIONLEGAL_NAME
UPRN – links to BLPU tableUSRN – links to Street Descriptor table
LPI table
PAO_START_NUMBERPAO_END_NUMBERPAO_START_SUFFIXPAO_END_SUFFIXPAO_TEXT
SAO_START_NUMBERSAO_END_NUMBERSAO_START_SUFFIXSAO_END_SUFFIXSAO_TEXTPOST_TOWN
(Local Property Identifier)
FIELD:ORGANISATIONSAO_START_NUMBERSAO_START_SUFFIXSAO_END_NUMBERSAO_END_SUFFIXSAO_TEXTPAO_START_NUMBERPAO_START_SUFFIXPAO_END_NUMBERPAO_END_SUFFIXPAO_TEXTSTREET_DESCRIPTORPOST_TOWNPOSTCODE_LOCATOR
Format of addresses in AddressBase
Example 1:
70
Fulbourne RoadCambridgeCB4 1JN
70 Fulbourne RoadCAMBRIDGECB4 1JN
Postal address:
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(Basic Land and Property Unit)UPRN assigned by LLPG custodian
or Ordnance SurveyPARENT_UPRNPOSTCODE_LOCATOR
BLPU table
USRNSTREET_DESCRIPTORLOCALITY_NAMETOWN_NAME
Street Descriptor table
Organisation tableUPRNORGANISATIONLEGAL_NAME
UPRN – links to BLPU tableUSRN – links to Street Descriptor table
LPI table
PAO_START_NUMBERPAO_END_NUMBERPAO_START_SUFFIXPAO_END_SUFFIXPAO_TEXT
SAO_START_NUMBERSAO_END_NUMBERSAO_START_SUFFIXSAO_END_SUFFIXSAO_TEXTPOST_TOWN
(Local Property Identifier)
FIELD:ORGANISATIONSAO_START_NUMBERSAO_START_SUFFIXSAO_END_NUMBERSAO_END_SUFFIXSAO_TEXTPAO_START_NUMBERPAO_START_SUFFIXPAO_END_NUMBERPAO_END_SUFFIXPAO_TEXTSTREET_DESCRIPTORPOST_TOWNPOSTCODE_LOCATOR
Format of addresses in AddressBase
Postal address:
Example 2:
Flat 6
Lenton HallUniversity BoulevardNottinghamNG7 2RD
Flat 6Lenton HallUniversity BoulevardNOTTINGHAMNG7 2RD
University of Nottingham
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(Basic Land and Property Unit)UPRN assigned by LLPG custodian
or Ordnance SurveyPARENT_UPRNPOSTCODE_LOCATOR
BLPU table
USRNSTREET_DESCRIPTORLOCALITY_NAMETOWN_NAME
Street Descriptor table
Organisation tableUPRNORGANISATIONLEGAL_NAME
UPRN – links to BLPU tableUSRN – links to Street Descriptor table
LPI table
PAO_START_NUMBERPAO_END_NUMBERPAO_START_SUFFIXPAO_END_SUFFIXPAO_TEXT
SAO_START_NUMBERSAO_END_NUMBERSAO_START_SUFFIXSAO_END_SUFFIXSAO_TEXTPOST_TOWN
(Local Property Identifier)
FIELD:ORGANISATIONSAO_START_NUMBERSAO_START_SUFFIXSAO_END_NUMBERSAO_END_SUFFIXSAO_TEXTPAO_START_NUMBERPAO_START_SUFFIXPAO_END_NUMBERPAO_END_SUFFIXPAO_TEXTSTREET_DESCRIPTORPOST_TOWNPOSTCODE_LOCATOR
Format of addresses in AddressBase
Postal address:
Example 2a:
Room 4A Flat 6
Lenton HallUniversity BoulevardNottinghamNG7 2RD
Room 4AFlat 6Lenton HallUniversity BoulevardNOTTINGHAMNG7 2RD
University of Nottingham
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(Basic Land and Property Unit)UPRN assigned by LLPG custodian
or Ordnance SurveyPARENT_UPRNPOSTCODE_LOCATOR
BLPU table
USRNSTREET_DESCRIPTORLOCALITY_NAMETOWN_NAME
Street Descriptor table
Organisation tableUPRNORGANISATIONLEGAL_NAME
UPRN – links to BLPU tableUSRN – links to Street Descriptor table
LPI table
PAO_START_NUMBERPAO_END_NUMBERPAO_START_SUFFIXPAO_END_SUFFIXPAO_TEXT
SAO_START_NUMBERSAO_END_NUMBERSAO_START_SUFFIXSAO_END_SUFFIXSAO_TEXTPOST_TOWN
(Local Property Identifier)
FIELD:ORGANISATIONSAO_START_NUMBERSAO_START_SUFFIXSAO_END_NUMBERSAO_END_SUFFIXSAO_TEXTPAO_START_NUMBERPAO_START_SUFFIXPAO_END_NUMBERPAO_END_SUFFIXPAO_TEXTSTREET_DESCRIPTORPOST_TOWNPOSTCODE_LOCATOR
Format of addresses in AddressBase
Postal address:
Example 3:Consultants Ltd
Third Floor1
5
Ivybridge HouseAdam StreetLondonWC2N 6DD
Consultants LtdThird FloorIvybridge House1-5 Adam StreetLONDON WC2N 6DD
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ABP_E25 statisticsEpoch 25 date: 24th July 2014
Total Records England and Wales Current records With DELIVERY
POINT ADDRESS
36.2 Million31.9 Million30.6 Million24.2 Million
21% of current records in England and Wales have no delivery point address
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ABP_E25 statisticsEpoch 25 date: 24th July 2014
Total Records England and Wales Current records Residential addresses
With DELIVERY POINT ADDRESS
8% of current residential records in England and Wales have no delivery point address
36.2 Million31.9 Million30.6 Million26.0 Million23.9 Million
85% of records in England and Wales are residential
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Simple and Complex records
A simple record has no parent or child: it has an empty PARENT_UPRN field and no other record’s PARENT_UPRN field references its UPRN
(Basic Land and Property Unit)
UPRN PARENT_UPRN
BLPU table
10023133044 10035042395 10035042396
10023133044 10035042395
21004613314
Complex records have parent and/or child relationships
Primary
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Structure
Organisation and use of AddressBase
Internal measures of AddressBase quality
AddressBase Quality assessment
Address matching issues
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One would expect simple and complex:primary records to have a Delivery Point Address
ComplexityRecords
With DPA
Records
With DPA
Records
With DPA
Simple
Complex: Primary
Complex: Child
23.9M
88%
1.1M
53%
5.7M
62%
Overall
ABP_E25
eg 70 Fulbourne Road
eg Lenton Halls of Residence
eg Flat 6, Lenton Hall or Room 4A, Flat 6, Lenton Hall
Dwelling Institute
Residential
20.8M
98%
339 K
88%
4.2M
76%
19.9 K
88%
5.0 K
70%
123 K
17%
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LPI tablePAO_START_NUMBERPAO_END_NUMBERPAO_START_SUFFIXPAO_END_SUFFIXPAO_TEXTSAO_START_NUMBERSAO_END_NUMBERSAO_START_SUFFIXSAO_END_SUFFIXSAO_TEXT
(Local Property Identifier)
One would expect child records, but not simple and complex: primary records, to use secondary addressable object fields
PAO=Primary Addressable ObjectSAO=Secondary Addressable Object
Type Simple
Complex: PrimaryComplex: Child
Total
Records 23.9 M
1.1 M136,77925.1 M
Records 50,560
1,4995.5 M5.6 M
Rate
2.4%
Rate 0.2%0.1%
Uses PAO fields only Also uses SAO fields
illionillion
illionillionillion
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Uniqueness of address data in AddressBase
Current records With DELIVERY
POINT ADDRESS
30.6 Million24.2 Million
Only a benefit if the 6 Million addresses are distinguishable
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Uniqueness of address data in AddressBase
Current records With DELIVERY
POINT ADDRESS
30.6 Million24.2 Million
There are 4,939 records with non-unique LPI address data Approximately 1 in 6000 records
..... though administrative data sources may only capture the delivery point address.
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Distinguishing BLPUs from address dataAddresses with field use inconsistent with their
complexity are more likely to be non-unique
Type Simple
Complex: PrimaryComplex: Child
Total
Records 23.9 M
1.1 M136,77925.1 M
Records 50,560
1,4995.5 M5.6 M
Duplicate 2,768
533338
3,659
Duplicate 625116539
1,280
Rate 0.01%0.05%0.25%0.01%
Rate 1.24%7.74%0.01%0.02%
Uses PAO fields only Also uses SAO fields
1319 (27%) of non-unique records in 5 LAs:Hynburn, Barnet, Warwick, Peterborough and Huntingdonshire
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Structure
Organisation and use of AddressBase
Internal measures of AddressBase quality
AddressBase Quality assessment
Address matching issues
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Approach
Match residential address lists from administrative data sources to Addressbase.
In an idealised world of accurate source data with no duplicates and perfect matching.....
= Match rate x Proportion classified as Residential = Match rate x Proportion classified as Residential
Estimated coverage of a residential frame derived by filtering AddressBase according to record classification
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A sample of 590K residential addresses
Using commercial matching software:552K matches of which 6K were duplicates
Classification in AddressBase of the 547K distinct UPRNs matched:
Residential Dwellings97.1%
Other Residential0.9%
Non-Residential2.0%
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A sample of 590K residential addresses
Using commercial matching software:552K matches of which 6K were duplicates
Classification in AddressBase of the 547K distinct UPRNs matched:
Residential Dwellings97.1%
Other Residential0.9%
Non-Residential2.0%
Proportion of UPRNsthat are Complex
6.3%38.7%64.4%
ResidentialOther ResidentialNon-Residential
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99.2% of matched UPRNs relate to residential structures
Parent Shell - 1.1%
Retail - 0.3%Hotels - 0.05%
Education - 0.05%Other - 0.3%
Dual use - 0.2%
Residential Dwellings97.1%
Other 0.9%
Non-Residential2.0%
89.4%
27.3%Residential
ProportionComplex with
contentResidential
38.4%
12.2%65.4%26.5%
61.0%
1.2%
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Structure
Organisation and use of AddressBase
Internal measures of AddressBase quality
AddressBase Quality assessment
Address matching issues
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Incorrect matches, commercial software
Correct Structure, wrong level or uniteg. Kinder Apartments, Flat C4, Room 1
THIS_LAYER LAYERS PARENT_UPRN UPRN PAO_TEXT SAO_TEXT1 2 10024192457 KINDER 2 2 10024192457 10024193002 KINDER APARTMENT C42 2 10024192457 10024192814 KINDER ROOM 1 APARTMENT C4
Just wrong
(Matched to UPRN: 10024192457)
21 MILTON AVENUE, LOCKS HEATH, FAREHAM, SO31 6RQ
21 ALTON AVENUE, FAREHAM, PO16 9NQ
3 BEVERLEY CLOSE, PARK GATE, FAREHAM, SO31 6QU
3 BEVERLEY ROAD, FAREHAM, PO14 2NS
22 ORCHARD CLOSE, BLACKWATER, FARNBOROUGH, GU17 9EX
22 ORCHARD ROAD, FARNBOROUGH, GU14 7PR
Input address Output address
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Care Quality Commission list of 18626 Care Homes
Matching Failures, commercial software
Administrative 590K residential recordsUnable to match – 7.5%
Unable to match – 26.1%GeoPlace matching process unable to match 2.3%
Matching disagreement – 7.3%
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User supply/ABP resolution
SOURCE_ADDRESS UPRN PAO_TEXT SAO_TEXT
HSE 18.3.2.3 TAL-Y-BONT SOUTH 10002522227 HOUSE 18 THIRD FLOOR FLAT 2 ROOM 3
HSE 1.3.D.17 TAL-Y-BONT COURT 10013082082 TALYBONT COURT FLAT 3D ROOM 17
HSE B.1.3.5 TAL-Y-BONT NORTH 10002519488 BYRON HOUSE FLAT 1 ROOM 3
10002519502 BYRON HOUSE FLAT 3 ROOM 5
KINDER APARTMENTS A4 10024192761 KINDER ROOM 1 APARTMENT A4
10024192762 KINDER ROOM 2 APARTMENT A4
10024192763 KINDER ROOM 3 APARTMENT A4
SOURCE_ADDRESS PAO_TEXT SAO_TEXTFROGGATT APARTMENTS APT D4 RM 4 FROGGATT APARTMENTS APARTMENT D4
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User supply/ABP resolution
SOURCE_ADDRESS UPRN PAO_TEXT SAO_TEXT
HSE 18.3.2.3 TAL-Y-BONT SOUTH 10002522227 HOUSE 18 THIRD FLOOR FLAT 2 ROOM 3
HSE 1.3.D.17 TAL-Y-BONT COURT 10013082082 TALYBONT COURT FLAT 3D ROOM 17
HSE B.1.3.5 TAL-Y-BONT NORTH 10002519488 BYRON HOUSE FLAT 1 ROOM 3
10002519502 BYRON HOUSE FLAT 3 ROOM 5
KINDER APARTMENTS A4 10024192761 KINDER ROOM 1 APARTMENT A4
10024192762 KINDER ROOM 2 APARTMENT A4
10024192763 KINDER ROOM 3 APARTMENT A4
SOURCE_ADDRESS PAO_TEXT SAO_TEXTFROGGATT APARTMENTS APT D4 RM 4 FROGGATT APARTMENTS APARTMENT D4
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User supply/ABP resolution
SOURCE_ADDRESS UPRN PAO_TEXT SAO_TEXT
HSE 18.3.2.3 TAL-Y-BONT SOUTH 10002522227 HOUSE 18 THIRD FLOOR FLAT 2 ROOM 3
HSE 1.3.D.17 TAL-Y-BONT COURT 10013082082 TALYBONT COURT FLAT 3D ROOM 17
HSE B.1.3.5 TAL-Y-BONT NORTH 10002519488 BYRON HOUSE FLAT 1 ROOM 3
10002519502 BYRON HOUSE FLAT 3 ROOM 5
KINDER APARTMENTS A4 10024192761 KINDER ROOM 1 APARTMENT A4
10024192762 KINDER ROOM 2 APARTMENT A4
10024192763 KINDER ROOM 3 APARTMENT A4
SOURCE_ADDRESS PAO_TEXT SAO_TEXTFROGGATT APARTMENTS APT D4 RM 4 FROGGATT APARTMENTS APARTMENT D4
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User supply/ABP resolution
SOURCE_ADDRESS UPRN PAO_TEXT SAO_TEXT
HSE 18.3.2.3 TAL-Y-BONT SOUTH 10002522227 HOUSE 18 THIRD FLOOR FLAT 2 ROOM 3
HSE 1.3.D.17 TAL-Y-BONT COURT 10013082082 TALYBONT COURT FLAT 3D ROOM 17
HSE B.1.3.5 TAL-Y-BONT NORTH 10002519488 BYRON HOUSE FLAT 1 ROOM 3
10002519502 BYRON HOUSE FLAT 3 ROOM 5
KINDER APARTMENTS A4 10024192761 KINDER ROOM 1 APARTMENT A4
10024192762 KINDER ROOM 2 APARTMENT A4
10024192763 KINDER ROOM 3 APARTMENT A4
SOURCE_ADDRESS PAO_TEXT SAO_TEXTFROGGATT APARTMENTS APT D4 RM 4 FROGGATT APARTMENTS APARTMENT D4
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User supply/ABP resolution
SOURCE_ADDRESS UPRN PAO_TEXT SAO_TEXT
HSE 18.3.2.3 TAL-Y-BONT SOUTH 10002522227 HOUSE 18 THIRD FLOOR FLAT 2 ROOM 3
HSE 1.3.D.17 TAL-Y-BONT COURT 10013082082 TALYBONT COURT FLAT 3D ROOM 17
HSE B.1.3.5 TAL-Y-BONT NORTH 10002519488 BYRON HOUSE FLAT 1 ROOM 3
10002519502 BYRON HOUSE FLAT 3 ROOM 5
KINDER APARTMENTS A4 10024192761 KINDER ROOM 1 APARTMENT A4
10024192762 KINDER ROOM 2 APARTMENT A4
10024192763 KINDER ROOM 3 APARTMENT A4
SOURCE_ADDRESS PAO_TEXT SAO_TEXTFROGGATT APARTMENTS APT D4 RM 4 FROGGATT APARTMENTS APARTMENT D4
![Page 35: Sub title goes here Neil A. Hopper ONS – Titchfield Fareham PO15 5RR Complete your online questionnaire on or as soon as possible after 21 March 2021 at.](https://reader035.fdocuments.net/reader035/viewer/2022070415/5697bfcf1a28abf838ca9b68/html5/thumbnails/35.jpg)
User supply/ABP resolution
SOURCE_ADDRESS UPRN PAO_TEXT SAO_TEXT
HSE 18.3.2.3 TAL-Y-BONT SOUTH 10002522227 HOUSE 18 THIRD FLOOR FLAT 2 ROOM 3
HSE 1.3.D.17 TAL-Y-BONT COURT 10013082082 TALYBONT COURT FLAT 3D ROOM 17
HSE B.1.3.5 TAL-Y-BONT NORTH 10002519488 BYRON HOUSE FLAT 1 ROOM 3
10002519502 BYRON HOUSE FLAT 3 ROOM 5
KINDER APARTMENTS A4 10024192761 KINDER ROOM 1 APARTMENT A4
10024192762 KINDER ROOM 2 APARTMENT A4
10024192763 KINDER ROOM 3 APARTMENT A4
SOURCE_ADDRESS PAO_TEXT SAO_TEXTFROGGATT APARTMENTS APT D4 RM 4 FROGGATT APARTMENTS APARTMENT D4
![Page 36: Sub title goes here Neil A. Hopper ONS – Titchfield Fareham PO15 5RR Complete your online questionnaire on or as soon as possible after 21 March 2021 at.](https://reader035.fdocuments.net/reader035/viewer/2022070415/5697bfcf1a28abf838ca9b68/html5/thumbnails/36.jpg)
The Reality
Currently we are reliant on the accuracy of ABP
Address matching problematic, especially for complex addresses commonly associated with Communal Establishments and Businesses
Address complexity is not always fully captured in ABP
Address suppliers often just use postal address, even when higher resolution data available
Records in ABP are highly discernible from their associated address information
Coverage and classification accuracy in ABP appears to be very high, but we need higher