Source: https://tendernation.io/opportunities/01a13b9a-c60a-723d-bd6a-894574f39007/whole-house-energy-efficiency-retrofit-2023 awarded GB open procedure # Whole House Energy Efficiency Retrofit 2023 [Grŵp Cynefin](https://tendernation.io/buyers/grwp-cynefin) Estimated value £8,500,000 Published 4 Apr 2023 Deadline Closed 20 Feb 2023 ## Who can bid - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender Appointment of a single Principal Contractor to deliver energy efficiency retrofit works (supply and fit) to (but not exclusively) Social Housing across North Wales. Installed measurers must be delivered in line with PAS 2035, PAS 2030:2019 and the Microgeneration Certification Scheme (MSC). ## CPV classification Building installation work Solar panels Heat pumps Insulation work Central-heating installation work Energy-efficiency consultancy services Source Find a Tender (UK) · Notice ocds-h6vhtk-0398cd-2023-04-04T15:58:26+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-0398cd-2023-04-04T15:58:26+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Grŵp Cynefin: past awards and live tenders](https://tendernation.io/buyers/grwp-cynefin) [Sector More Construction work tenders](https://tendernation.io/sectors/construction-work) ## More tenders like this [Bannister Sports Centre Athletic Track Soft Market Testing Exercise · Harrow Council · 38 days left · 26 Nov 2026](https://tendernation.io/opportunities/01a1540d-d9e4-71cb-ad57-1603e9042fec/bannister-sports-centre-athletic-track-soft-market-testing-exercise) [Building construction work – Budowa budynku mieszkalnego wielorodzinnego wraz z infrastrukturą techniczną w miejscowości Szczucin · KZN SIM Tarnów Sp. z o.o. · 7 days left · 26 Oct 2026](https://tendernation.io/opportunities/01a156a9-d859-7328-9ee6-a304ce645326/poland-building-construction-work-budowa-budynku-mieszkalnego-wielorodzinneg) [Floor-covering work – Universität Leipzig, Leuschnerplatz, Global Hub, Forschungsneubau · Staatsbetrieb Sächsisches Immobilien- und Baumanagement, Zentrale, Zentralstelle Vergabe- und Vertragsmanagement · 3 days left · 22 Oct 2026](https://tendernation.io/opportunities/01a156a9-acfc-73ee-baab-9e699f88521a/germany-floor-covering-work-universitat-leipzig-leuschnerplatz-global-hub) [Demolition work – Rück- und Neubau Lichthochmaste · Hamburg Verkehrsanlagen GmbH · 7 days left · 26 Oct 2026](https://tendernation.io/opportunities/01a156a9-6ef0-7276-94e2-d5fa0cb2d6c7/germany-demolition-work-ruck-und-neubau-lichthochmaste) [Plastering work – Modernisierung und Erweiterung Matthias-Claudius-Heim Würzburg · Diakonisches Werk Würzburg e.V. · 1 day left · 20 Oct 2026](https://tendernation.io/opportunities/01a156a9-e605-706f-8937-7f0ba18339c0/germany-plastering-work-modernisierung-und-erweiterung-matthias-claudius-hei) [Heating plant construction work – Petrašiūnų elektrinės elektrifikacija, įrengiant elektros energijos kaupimo įrenginius, dyzelinį generatorių ir rekonstruojant 6 kV skirstyklą (projektavimas ir rangos darbai) · Akcinė bendrovė „Kauno energija“ (PV) · 7 days left · 26 Oct 2026](https://tendernation.io/opportunities/01a156a9-6f1d-727f-a077-bc25dec93b92/lithuania-heating-plant-construction-work-petrasiunu-elektrines-elektrifikac)