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58 lines
4.1 KiB
Python
58 lines
4.1 KiB
Python
class Definitions:
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"""
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This class contains some base attributes which are used across multiple other classes
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"""
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# Anomalies described here: https://epc.opendatacommunities.org/docs/guidance#glossary
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DATA_ANOMALY_MATCHES = {
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# Invalid reports are where the value provided is out of bounds, e.g. a negative energy rating of -1199 or a
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# non-integer, there is no valid energy band for this, so it is marked as INVALID!
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"INVALID",
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"INVALID!",
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# When the energy certificate was first lodged on the register there was no requirement to lodge this data
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# item, i.e. a non-mandatory item.
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"NO DATA!",
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"NODATA!",
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# When the energy certificate was first lodged on the register there was no requirement to lodge this data item,
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# i.e.a non - mandatory item.
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"N/A",
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# A value generated by the register to account for a data item that was not mandatory when the lodgement of
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# the energy certificate occurred. When the data item became mandatory the register operator, for backwards
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# compatibility purposes, populated the data field with a value of ‘not recorded’ to ensure that the energy
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# certificate retrieval process is successfully completed. Mandatory data items cannot be applied
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# retrospectively to energy certificates lodged before the date of the change.
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"Not recorded",
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# The data also contains DECs with an operational rating of ‘9999’ (a ‘default’ DEC). The production of a
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# ‘default’ DEC value was allowed to enable building occupiers, with poor quality or no energy data,
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# the opportunity to comply with the regulations. From April 2011 the ability to lodge a ‘default’ DEC was no
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# longer allowed.
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"9999",
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# The Building Emission Rate (BER) data field for non-domestic buildings may contain a ‘blank’ value. The BER
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# was only lodged on the register from 7 March 2010.
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"Blank"
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# There are currently just over 8,600 records where the local authority identifier is ‘null’. This is due to
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# the Register Operator not being able to match the building address in the Markermap Ordinance Survey (GB)
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# lookup tables or OS MasterMap Address Layer 2 data. The majority of these addresses have been requested
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# manually by energy assessors for inclusion by the Register Operator in the registers (e.g. new builds,
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# etc). These records are being published for completeness. An ongoing process to manage these manually added
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# addresses will take time to develop to deal with these and future anomalies.
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#
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# There are several fields within the lodged data where it is possible to enter multiple entries to cater for
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# different data_types of build within a single property, i.e. extensions. This results in multiple entries for
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# the description fields for floor, roof and wall. For the purposes of this data release only the information
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# contained within the first of these multiple entries is being provided. As there are no restrictions on the
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# value in this first field it means that sometimes the first field in a multiple entry description field may
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# contain a ‘null’ value. A resolution to correct these anomalies will be considered for future data releases.
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"NULL",
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# We sometimes see fields populated with just an empty string.
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""
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}
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DATA_ANOMALY_SUBSTRINGS = {
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# Where values in a ‘pick’ list that have been superseded by another value. For example, where a value for
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# ‘pitched roof’ has been replaced by three sub-categories of pitched roof. The original value is retained
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# but ‘for backward compatibility only’ it is appended to ensure that the energy certificate retrieval
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# process can be successfully completed. Replacement data items cannot be applied retrospectively to energy
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# certificates lodged on the register before the date of the change.
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"for backward compatibility only"
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}
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