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Afroz, R (2020) Developing a low-carbon architecture pedagogy in Bangladesh. Buildings and Cities, 1(01), 637–49.

Andersen, C E, Kanafani, K, Zimmermann, R K, Rasmussen, F N and Birgisdóttir, H (2020) Comparison of GHG emissions from circular and conventional building components. Buildings and Cities, 1(01), 379–92.

Anderson, J and Moncaster, A (2020) Embodied carbon of concrete in buildings, Part 1: analysis of published EPD. Buildings and Cities, 1(01), 198–217.

Axon, S and Morrissey, J (2020) Just energy transitions? Social inequities, vulnerabilities and unintended consequences. Buildings and Cities, 1(01), 393–411.

Baborska-Narozny, M, Szulgowska-Zgrzywa, M, Mokrzecka, M, Chmielewska, A, Fidorow-Kaprawy, N, Stefanowicz, E, Piechurski, K and Laska, M (2020) Climate justice: air quality and transitions from solid fuel heating. Buildings and Cities, 1(01), 120–40.

Balouktsi, M (2020) Carbon metrics for cities: production and consumption implications for policies. Buildings and Cities, 1(01), 233–59.

Bordass, B (2020) Metrics for energy performance in operation: the fallacy of single indicators. Buildings and Cities, 1(01), 260–76.

Clarke, L, Sahin-Dikmen, M and Winch, C (2020) Transforming vocational education and training for nearly zero-energy building. Buildings and Cities, 1(01), 650–61.

Crawley, J, McKenna, E, Gori, V and Oreszczyn, T (2020) Creating Domestic Building Thermal Performance Ratings Using Smart Meter Data. Buildings and Cities, 1(01), 1–13.

Fawcett, T and Topouzi, M (2020) Residential retrofit in the climate emergency: the role of metrics. Buildings and Cities, 1(01), 475–90.

Francart, N, Höjer, M, Mjörnell, K, Orahim, A S, von Platten, J and Malmqvist, T (2020) Sharing indoor space: stakeholders’ perspectives and energy metrics. Buildings and Cities, 1(01), 70–85.

Frischknecht, R, Alig, M, Nathani, C, Hellmüller, P and Stolz, P (2020) Carbon footprints and reduction requirements: the Swiss real estate sector. Buildings and Cities, 1(01), 325–36.

Grant, E J (2020) Mainstreaming environmental education for architects: the need for basic literacies. Buildings and Cities, 1(01), 538–49.

Green, E, Lannon, S, Patterson, J, Variale, F and Iorwerth, H (2020) Decarbonising the Welsh housing stock: from practice to policy. Buildings and Cities, 1(01), 277–92.

  • Type: Journal Article
  • Keywords: building stock; carbon; decarbonisation; housing; policy; retrofit; Wales;
  • ISBN/ISSN: 2632-6655
  • URL: https://doi.org/10.5334/bc.19
  • Abstract:
    This paper examines whether and how the challenging target of 95% decarbonisation can be achieved for the Welsh building stock. First, a critical review of the literature and relevant case studies are presented to understand the effectiveness of different retrofit approaches in practice, and the degree to which these approaches are evidence based, and applicable to the Welsh context. These findings are synthesised into a collection of 14 recurrent dwelling ‘archetypes’, with appropriate retrofit strategies developed for each. The impacts of these strategies are modelled in terms of capital cost, primary energy use, fuel bills and carbon emissions. Conclusions provide an evidence base for future policy and a decarbonisation strategy. Retrofit strategies should include fabric first-measures to minimise increases in household fuel bills and a consequent increase in fuel poverty. Retrofit options for a significant percentage of housing are constrained by character, which would limit changes to the external fabric. Given that decarbonisation of the future energy supply is currently uncertain, all other housing should be retrofitted to perform beyond SAP90. A flexible approach that pushes all housing to achieve stringent standards by 2050 is the only way to achieve targeted reductions in carbon emissions under the assumed energy supply scenarios. Policy relevance The Welsh housing stock, among the oldest and least efficient in Europe, is responsible for 21% of Welsh carbon emissions. In 2019, the UK Committee for Climate Change (CCC) determined that Wales should target a 95% reduction in emissions by 2050. This paper assesses whether this challenging target can be achieved, and potential strategies for doing so. Key recommendations are drawn from the research, which encompass technical, social and organisational issues, and the importance of a holistic approach to decarbonisation is identified. These findings informed the Independent Steering Group recent report Better Homes, Better Wales, Better World (2019), and the report’s recommendations were adopted by the Welsh Government on 24 September 2019. This work should continue to provide an evidence base upon which future policy can be developed through the development of retrofit strategies for recurring dwelling archetypes and a decarbonisation strategy for Wales that is likely to include legislation, regulation, incentives and penalties.

Green, S D and Sergeeva, N (2020) The contested privileging of zero carbon: plausibility, persuasiveness and professionalism. Buildings and Cities, 1(01), 491–503.

Habert, G, Röck, M, Steininger, K, Lupísek, A, Birgisdottir, H, Desing, H, Chandrakumar, C, Pittau, F, Passer, A, Rovers, R, Slavkovic, K, Hollberg, A, Hoxha, E, Jusselme, T, Nault, E, Allacker, K and Lützkendorf, T (2020) Carbon budgets for buildings: harmonising temporal, spatial and sectoral dimensions. Buildings and Cities, 1(01), 429–52.

Hamstead, Z, Coseo, P, AlKhaled, S, Boamah, E F, Hondula, D M, Middel, A and Rajkovich, N (2020) Thermally resilient communities: creating a socio-technical collaborative response to extreme temperatures. Buildings and Cities, 1(01), 218–32.

Hoxha, E, Passer, A, Saade, M R M, Trigaux, D, Shuttleworth, A, Pittau, F, Allacker, K and Habert, G (2020) Biogenic carbon in buildings: a critical overview of LCA methods. Buildings and Cities, 1(01), 504–24.

Killip, G (2020) A reform agenda for UK construction education and practice. Buildings and Cities, 1(01), 525–37.

Klinsky, S and Mavrogianni, A (2020) Climate justice and the built environment. Buildings and Cities, 1(01), 412–28.

Kuittinen, M and Häkkinen, T (2020) Reduced carbon footprints of buildings: new Finnish standards and assessments. Buildings and Cities, 1(01), 182–97.

Lützkendorf, T (2020) The role of carbon metrics in supporting built-environment professionals. Buildings and Cities, 1(01), 676–86.

Lützkendorf, T and Frischknecht, R (2020) (Net-) zero-emission buildings: a typology of terms and definitions. Buildings and Cities, 1(01), 662–75.

Mayer, M (2020) Material recovery certification for construction workers. Buildings and Cities, 1(01), 550–64.

Parkin, A, Herrera, M and Coley, D A (2020) Net-zero buildings: when carbon and energy metrics diverge. Buildings and Cities, 1(01), 86–99.

Passe, U (2020) A design workflow for integrating performance into architectural education. Buildings and Cities, 1(01), 565–78.

Passe, U, Dorneich, M, Krejci, C, Koupaei, D M, Marmur, B, Shenk, L, Stonewall, J, Thompson, J and Zhou, Y (2020) An urban modelling framework for climate resilience in low-resource neighbourhoods. Buildings and Cities, 1(01), 453–74.

Patrick, M, Grewal, G, Chelagat, W and Shannon, G (2020) Planetary health justice: feminist approaches to building in rural Kenya. Buildings and Cities, 1(01), 308–24.

Roca-Puigròs, M, Billy, R G, Gerber, A, Wäger, P and Müller, D B (2020) Pathways toward a carbon-neutral Swiss residential building stock. Buildings and Cities, 1(01), 579–93.

Salter, J, Lu, Y, Kim, J C, Kellett, R, Girling, C, Inomata, F and Krahn, A (2020) Iterative ‘what-if’ neighborhood simulation: energy and emissions impacts. Buildings and Cities, 1(01), 293–307.

Schünemann, C, Olfert, A, Schiela, D, Gruhler, K and Ortlepp, R (2020) Mitigation and adaptation in multifamily housing: overheating and climate justice. Buildings and Cities, 1(01), 36–55.

Schiller, G, Gruhler, K and Xie, X (2020) Assessing the efficiency of indoor and outdoor access-related infrastructure. Buildings and Cities, 1(01), 56–69.

Schmidt, M, Crawford, R H and Warren-Myers, G (2020) Integrating life-cycle GHG emissions into a building’s economic evaluation. Buildings and Cities, 1(01), 361–78.

Schoenefeldt, H (2020) Delivery of occupant satisfaction in the House of Commons, 1950–2019. Buildings and Cities, 1(01), 141–63.

Simpson, K, Janda, K B and Owen, A (2020) Preparing ‘middle actors’ to deliver zero-carbon building transitions. Buildings and Cities, 1(01), 610–24.

Srivastava, M (2020) Cooperative learning in design studios: a pedagogy for net-positive performance. Buildings and Cities, 1(01), 594–609.

Steadman, P, Evans, S, Liddiard, R, Godoy-Shimizu, D, Ruyssevelt, P and Humphrey, D (2020) Building stock energy modelling in the UK: the 3DStock method and the London Building Stock Model. Buildings and Cities, 1(01), 100–19.

Steininger, K W, Meyer, L, Nabernegg, S and Kirchengast, G (2020) Sectoral carbon budgets as an evaluation framework for the built environment. Buildings and Cities, 1(01), 337–60.

Stevenson, F and Kwok, A (2020) Mainstreaming zero carbon: lessons for built-environment education and training. Buildings and Cities, 1(01), 687–96.

Tanguy, A, Breton, C, Blanchet, P and Amor, B (2020) Characterising the development trends driving sustainable neighborhoods. Buildings and Cities, 1(01), 164–81.

Waldman, B, Huang, M and Simonen, K (2020) Embodied carbon in construction materials: a framework for quantifying data quality in EPDs. Buildings and Cities, 1(01), 625–36.

Willand, N, Moore, T, Horne, R and Robertson, S (2020) Retrofit Poverty: Socioeconomic Spatial Disparities in Retrofit Subsidies Uptake. Buildings and Cities, 1(01), 14–35.