Abstract
Current research on residential house price variation in the UK is limited by the lack of an open and comprehensive house price database that contains both transaction price alongside dwelling attributes such as size. This research outlines one approach which addresses this deficiency in England and Wales through combining transaction information from the official open Land Registry Price Paid Data (LR-PPD) and property size information from the official open Domestic Energy Performance Certificates (EPCs). A four-stage data linkage is created to generate a new linked dataset, representing 79% of the full market sales in the LR-PPD. This new linked dataset offers greater flexibility for the exploration of house price (£/m2) variation in England and Wales at different scales over postcode units between 2011 and 2019. Open access linkage codes will allow for future updates beyond 2019.
Highlights
Comparative international analyses of house prices are constrained by differences in definition, data structure, spatial/time scales and coverage
As the Land Registry Price Paid Data (LR-PPD) data for the most recent two months may be incomplete due to the delay between the property transaction and its registration in Land Registry [21], we suggest researchers use transactions before 31/8/2019
We provide three technical validation approaches to inform potential users of the data quality issues associated with different years in the dataset
Summary
Comparative international analyses of house prices are constrained by differences in definition, data structure, spatial/time scales and coverage. These limit both comparative analysis and within-country analysis of housing markets [1,2]. Mainly from building societies, such as the 5% sample survey of Building Society Mortgages and the Nationwide Building Society mortgage data, have been widely used [5,6,7,8,9,10,11,12,13] These datasets lack local nuance but are problematic due to the potential biases inherent in small samples [14,15]. More detailed micro-level housing data such as the local estate agent survey data used by Orford [16] have offered opportunities for local housing analysis, but such datasets are not widely available
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