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Index of Multiple Deprivation vs Income Decile

Introduction

There are different ways we can measure socio-economic data. Two such data types used are the Index of Multiple Deprivation (IMD) and income decile. While both metrics serve to analyse and understand economic disparities, they do so through different lenses and methodologies. For applications to Warm Homes Local grant funding, only income decile is used to determine if postcodes are auto-eligible for the scheme.

Published: 5 December 2025

This Quick Guide outlines the key components of IMD and income decile, and how to use these types of data for potential applications.

Download the PDF below to access this Advice Pack. 

Readers that would like this document in a more accessible format should contact rise@turntown.co.uk.