GBG’s Premise Level Geocode is available to customers who require greater accuracy than Postcode Centroids, and can be used in conjunction with other UK Address Datasets i.e. PAF (Postal Address File).

​
Requestable Fields

The various data that is provided by this dataset can be excluded from being returned, for each address by providing one or more values in the IdmRequestOption.relatedDataItems property of the IDM request. For each value provided, the corresponding data is returned, and the corresponding data for all the values not provided are not returned. The following values are supported by this dataset:
Key MnemonicDescriptionReturned By Default
LICOUNTRYCountryYes
LIEASTINGEastingYes
LINORTHINGNorthingYes
LIGEOACCGeocode accuracy codeYes
LIGEOACCDGeocode accuracy descriptionYes
LILATLatitudeYes
LILONGLongitudeYes

​
Output Format

The Premise Level Geocode data is returned in the groupedAdditionalItems section of the IdmDataAddress. For this dataset, the group name used is “PremiseLevelGeocode” and the key/value pairs are as follows:
Field NameDescription
LICOUNTRYCountry
LIEASTINGEasting
LINORTHINGNorthing
LILATLatitude
LILONGLongitude
LIGEOACCAccuracy Code (see accuracy code lookup table for details)
LIGEOACCDAccuracy Description (corresponds to the description in the accuracy code lookup table)

​
Field Value Mappings

Below are listed the mappings for certain fields, specifying what each possible value of the field means.

​
Geocode Accuracy

ValueDescription
1Central Internal Position
2General Internal Position
3Transitional position
4Street Location
5Postcode unit position
9Low accuracy - marked for priority review

​
Example Response

The following responses shows a IdmDataAddress record where the record contains a “PremiseLevelGeocode” group in the groupedAdditionalItems.

​
SOAP

<req:address>
    <data:organisation>Gb Group Plc</data:organisation>
    <data:street>Herons Way</data:street>
    <data:town>CHESTER</data:town>
    <data:postCode>CH4 9GB</data:postCode>
    <data:locality>Chester Business Park</data:locality>
    <data:buildingName>The Foundation</data:buildingName>
    <data:stateRegion>Cheshire</data:stateRegion>
    <data:countryCode>GBR</data:countryCode>
    <data:dpsZipPlus>1AR</data:dpsZipPlus>
    <data:formattedAddress>Gb Group Plc,The Foundation,Herons Way Chester Business Park,Chester Cheshire,CH4 9GB</data:formattedAddress>
    <data:geographicInformation>
        <data:easting>340009</data:easting>
        <data:northing>363191</data:northing>
        <data:latitude>53.1624456651</data:latitude>
        <data:longitude>-2.8987260320</data:longitude>
    </data:geographicInformation>
    <data:additionalItems>
        <data:item>
            <data:key>DATASOURCE</data:key>
            <data:value>NAMES</data:value>
        </data:item>
    </data:additionalItems>
    <data:groupedAdditionalItems>
        <data:name>PremiseLevelGeocode</data:name>
        <data:item>
            <data:key>LICOUNTRY</data:key>
            <data:value>England</data:value>
        </data:item>
        <data:item>
            <data:key>LIEASTING</data:key>
            <data:value>340010.0</data:value>
        </data:item>
        <data:item>
            <data:key>LINORTHING</data:key>
            <data:value>363192.0</data:value>
        </data:item>
        <data:item>
            <data:key>LILAT</data:key>
            <data:value>53.16247</data:value>
        </data:item>
        <data:item>
            <data:key>LILONG</data:key>
            <data:value>-2.898713</data:value>
        </data:item>
        <data:item>
            <data:key>LIGEOACC</data:key>
            <data:value>1</data:value>
        </data:item>
        <data:item>
            <data:key>LIGEOACCD</data:key>
            <data:value>Central Internal Position</data:value>
        </data:item>
    </data:groupedAdditionalItems>
    <data:rmUDPRN>04624695</data:rmUDPRN>
</req:address>
REST 
"address":[
    {
        "street":"Kingsfield Court",
        "town":"CHESTER",
        "postCode":"CH4 9GB",
        "locality":"Eccleston",
        "buildingName":"Edward House",
        "stateRegion":"Cheshire",
        "countryCode":"GBR",
        "dpsZipPlus":"9ZI",
        "formattedAddress":"Edward House,Kingsfield Court,Eccleston,CHESTER,Cheshire,CH4 9GB",
        "additionalItems":{
            "item":[
                {
                    "key":"DATASOURCE",
                    "value":"ABP"
                }
            ]
        },
        "groupedAdditionalItems":[
            {
                "name":"PremiseLevelGeocode",
                "item":[
                    {
                        "key":"LICOUNTRY",
                        "value":"England"
                    },
                    {
                        "key":"LIEASTING",
                        "value":"340010.0"
                    },
                    {
                        "key":"LINORTHING",
                        "value":"363192.0"
                    },
                    {
                        "key":"LILAT",
                        "value":"53.16247"
                    },
                    {
                        "key":"LILONG",
                        "value":"-2.898713"
                    },
                    {
                        "key":"LIGEOACC",
                        "value":"1"
                    },
                    {
                        "key":"LIGEOACCD",
                        "value":"Central Internal Position"
                    }
                ]
            }
        ]
    }
]