Measuring the alignment of real economy investments with climate mitigation objectives: The United Kingdom’s buildings sector

Raphaël Jachnik and Alexander Dobrinevski

No 172, OECD Environment Working Papers from OECD Publishing

Abstract: This paper explores data and methods to assess the alignment or misalignment with climate mitigation objectives of investments in the construction and refurbishment of residential and non-residential buildings. It takes the United Kingdom (UK) as a case study, where such investments reached GBP 162 billion (EUR 184 billion) in 2019 or 39% of UK gross fixed capital formation. The analysis trials different reference points that lead to varying results and each currently come with limitations in terms of coverage or granularity. Sector-level greenhouse gas (GHG) trajectories indicate that, in aggregate, investments in UK buildings have been insufficient, delayed or not aligned enough with caps set by UK Carbon Budgets, but such trajectories currently lack disaggregation for a more granular and insightful matching with investment data. Energy performance certificates (EPCs) allow for asset-level analyses: for instance, 79% of 2010-2019 investments in new built residential were in relatively energy efficient buildings but only 1% were consistent with more demanding recommendations towards the UK’s objective of reaching net-zero GHG in 2050. The coverage and reliability of EPCs, however, needs to be improved for older buildings, whose deep retrofitting is a major financing challenge. Applying Climate Bonds Initiative criteria for low-carbon buildings identifies investments eligible for green bond financing, but such criteria have partial sectoral coverage and are based on currently most efficient buildings within the existing stock, which makes them relatively easy to meet for investments in new built.Producing more complete and policy relevant assessments of aligned and misaligned investments at national and sectoral levels requires the availability of and access to comparable and granular data on decarbonisation targets and pathways consistent with the Paris Agreement temperature goals, GHG performance of assets, corporate and household investments, as well as underlying sources of financing.

Keywords: buildings; capital expenditure; climate change; emissions; energy efficiency; finance; investment; low-greenhouse gas development; measurement; scenarios; taxonomy; tracking; United Kingdom (search for similar items in EconPapers)
JEL-codes: E01 E22 G31 G32 H54 Q54 Q56 R31 R33 (search for similar items in EconPapers)
Date: 2021-03-29
New Economics Papers: this item is included in nep-ene, nep-env, nep-mac and nep-reg
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Persistent link: https://EconPapers.repec.org/RePEc:oec:envaaa:172-en

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